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The smartwatch on your wrist stays powered through a full day of meetings, the electric scooter you ride to work recharges in under an hour, and that old phone battery in your drawer might soon get a second life. Behind these everyday conveniences lies a quiet innovator: the lithium polymer battery. These energy - dense powerhouses, with their ability to fit into sleek designs and keep up with our on - the - go lifestyles, are redefining how we interact with portable energy. Working alongside the more common lithium ion battery, they’re turning small improvements into big changes, making once - slow charging times and bulky power sources a thing of the past.​ New Applications in Wearable Technology​ Recently, researchers have been focusing on adapting the Polymer Lithium Battery for more innovative applications. A team of international scientists has developed a new type of fiber - based Polymer lithium battery. As reported in a recent study, this battery can be woven into fabrics, opening up new possibilities for wearable technology. The fiber - polymer battery can power small, wearable devices such as smartwatches and fitness trackers, and when paired with a suitable Charger For Lithium Ion Battery, it ensures convenient recharging. It offers a more comfortable and unobtrusive way to provide power compared to traditional batteries, including some variants of the Lithium Ion Battery. With a capacity to store a significant amount of energy in a thin, flexible form, it can be integrated into clothing without adding bulk.​   Advancements in Solid - State Lithium Polymer Batteries​ The race to commercialize solid - state Lithium Polymer Battery is heating up globally. Companies like Toyota and Samsung SDI are investing heavily in research and development. Toyota aims to introduce electric vehicles with solid - state Lithium Polymer Battery by 2025. These batteries use a solid polymer electrolyte instead of the liquid electrolyte found in traditional lithium - ion batteries. This not only improves safety by reducing the risk of leakage but also offers higher energy density, potentially giving electric vehicles a much - needed boost in range. For instance, when compared to a standard Lithium Ion Battery 24V used in some smaller electric vehicles, the solid - state Lithium Polymer Battery shows great potential in delivering longer mileage. A recent breakthrough in the development of solid - state electrolytes by a US - based research team has brought the industry one step closer to mass - producing these advanced batteries.​ Recycling and Sustainability Efforts​ As the use of Polymer Lithium Battery grows, so does the need for proper recycling, a concern that also applies to the Lithium Ion Battery. The European Union has been leading the charge in implementing strict regulations for battery recycling, covering both Polymer lithium battery and other types. New laws require a high percentage of lithium, cobalt, and other valuable materials to be recovered from used batteries. In response, companies around the world are developing innovative recycling technologies. For example, a Chinese firm has developed a new process that can efficiently extract lithium from spent Lithium Polymer Battery, reducing the reliance on newly mined lithium and minimizing environmental impact. This not only helps in conserving natural resources but also addresses the growing concern of electronic waste management, which is crucial for both the Lithium Polymer Battery and Lithium Ion Battery sectors.​   The developments in Lithium Polymer Batteries are not only changing the landscape of the energy storage industry but also have far - reaching implications for various sectors, from consumer electronics to transportation and environmental sustainability. With continuous research and international cooperation, the future of both the Lithium Polymer Battery and related energy storage solutions looks promising.

In today's global market, the demand for reliable and efficient lithium - ion batteries is growing rapidly. Whether it's powering smartphones, electric vehicles, or energy storage systems, businesses around the world are on the lookout for quality battery products. That's where we come in. We're dedicated to manufacturing a wide range of lithium - ion battery products, from individual cells to integrated battery systems, designed to meet diverse market needs. As the need for stable energy storage solutions increases, we're eager to partner with overseas purchasers, providing them with products that combine performance, durability, and value. Our Diverse Product Portfolio​ Lithium - Ion Batteries: Powering Every Possibility​ We specialize in crafting a wide range of lithium - ion battery cells. Our small - capacity cells are the perfect power source for digital devices such as smartphones, tablets, and smartwatches, ensuring long - lasting performance that keeps your devices running smoothly throughout the day. On the other hand, our high - capacity cells are designed to meet the robust power requirements of power tools, enabling professionals and DIY enthusiasts alike to tackle any project with confidence.​ But we don't stop at just cells. Our packaged batteries, created with advanced encapsulation technology, are built to withstand the harshest of environments. Whether it's extreme heat, freezing cold, or high humidity, you can rely on our batteries to deliver stable and safe performance. What's more, our battery system integration solutions, featuring our intelligent Battery Management System (BMS), are a game - changer. Take our electric vehicle battery solutions, for example. We customize these systems to match the exact power and range needs of different electric vehicles, optimizing performance and extending the lifespan of the batteries. This way, we're not just providing a product; we're offering a complete solution that enhances the overall user experience.​ Battery - Related Chips: Smart Energy Management​ One of our crowning achievements is the LR4054A - T, a single - cell charging chip that's designed for easy portable power management. Its simple design and USB - compatible operation make it user - friendly, suitable for a wide array of portable applications. With features like automatic charging termination and low - power modes, it ensures efficient charging and helps conserve energy.​ However, the LR4054A - T is just part of our chip offerings. We also provide a variety of other charging and power management chips. Whether you need a chip for an industrial product or a consumer device, we have options to fit your specific requirements. Our team is continuously working on research and development to keep our chip products up - to - date with the latest industry trends.​ Electronic Components & Products: The Perfect Complement​ In addition to our batteries and chips, we supply essential electronic components such as resistors, capacitors, and inductors. These components play a crucial role in building reliable battery systems and other electronic products. We also offer energy - related products like chargers and power adapters. These items not only support our battery business but also offer additional value to electronics manufacturers globally. By providing a one - stop - shop for energy - related products, we aim to make your procurement process easier and ensure components work well together.​ Our Commitment to Innovation and Quality​ Innovation drives our product development. We invest in research and development, exploring new materials and technologies to improve our lithium - ion batteries. Currently, we're focused on researching silicon anodes, which could increase the energy density of our batteries. Our R & D team is actively working on solutions to overcome the challenges associated with silicon anodes, aiming to create more powerful and longer - lasting batteries.​ Quality is at the core of our manufacturing process. We have a strict quality management system in place, which has earned us certifications like ISO 9001, ISO 14001, and OHSAS 18001. These certifications show our commitment to producing high - quality products, protecting the environment, and ensuring employee safety. Our products also have international approvals such as UL, CE, KC, PSE, CB, and RoHS, confirming that they meet global quality and safety standards.​   Our Global Vision​ Our products have found applications in various markets worldwide, including consumer electronics, electric vehicles, and industrial energy storage. But we're always looking to expand further and reach more overseas customers.​ We know that each business has unique needs. That's why we offer customized solutions. Whether you're a small startup in search of reliable battery components or a large manufacturer needing full - scale battery system integration, we have the expertise and resources to assist you. Our sales and support team is available to help you at every stage, from choosing the right products to providing after - sales service.​

In this time of creativity and fun, our company is proud to introduce a new product - the Perfect Durability series 3.7 V Lithium Polymer Rechargeable Battery. This is not just a battery, it is a green gift for parents and children, designed to redefine the rules of the game in a more environmentally friendly, convenient and lasting way.   The 3.7V Lithium Polymer Battery guarantees you and your kids a great time with its superior lasting power, long life and safety. It uses advanced battery management technology and has been carefully designed to extend cycle life, ensuring long-term performance stability even in the case of frequent charging and discharging.This means that a battery can accompany children through more fun play days, reducing the number of battery replacement times, both saving costs and reducing the impact on the environment. Safety is every parent's primary concern. Therefore, this 3.7 V Lithium Ion Battery was designed at the beginning of the integration of multiple safety protection mechanisms, whether in the face of overheating, overcharge or short circuit and other potential threats, can calmly cope with, to ensure that every piece of happiness in the hands of children is safe.   Of course, safe use is a prerequisite for enjoying all of this. We especially remind you: please stay away from the fire source, avoid high temperature environment;Keep batteries dry and away from water;And please follow the correct charging guide, carefully care for this energy power from the future. As a company committed to innovation and sustainability, we are committed to enhancing the children's play experience. The birth of the Perfect Durability 3.7 V Lithium Polymer Rechargeable Battery is our vivid interpretation of this commitment. We believe that this battery will be a bridge between toy manufacturers and consumers, and together open a new era of greener, more convenient, fun and lasting toys.  

In today’s technology-driven world, understanding the types of batteries that power our devices can help you make better choices for your needs. While the terms “lithium battery” and “lithium-ion battery” are often used interchangeably, they refer to distinct types of battery technology. Let’s delve into the key differences between these two types of batteries and explore some of the high-quality products available from our company.   Lithium Battery vs. Lithium-Ion Battery: Key Differences 1. Technology and Composition Lithium Battery: Often referred to as primary lithium batteries, these are non-rechargeable and are typically used in devices where battery replacement is needed infrequently, such as in watches or remote controls. They use lithium metal or lithium compounds as the anode material and are known for their long shelf life and high energy density. Lithium-Ion Battery: In contrast, lithium-ion batteries are secondary, rechargeable batteries used in a wide range of applications, from smartphones and laptops to electric vehicles. These batteries use lithium compounds as the electrolyte and anode material, making them capable of being recharged and used multiple times. They offer higher energy density and longer cycle life compared to primary lithium batteries.   2. Rechargeability Lithium Battery: These batteries are designed for single-use and need to be replaced once depleted. They do not support recharging, which makes them suitable for applications where frequent battery changes are not practical. Lithium-Ion Battery: Rechargeable and designed for multiple charge cycles, lithium-ion batteries can be recharged and used repeatedly. This feature makes them ideal for applications where a consistent and long-term power source is required, such as in portable electronics and renewable energy systems.   3. Applications and Use Lithium Battery: Commonly used in devices requiring long-lasting, reliable power with minimal maintenance. They are ideal for low-drain devices that benefit from the long shelf life of these batteries. Lithium-Ion Battery: Widely used in high-drain devices that benefit from the ability to recharge, such as smartphones, laptops, and power tools. Their versatility and efficiency make them the preferred choice for modern, energy-intensive applications. Explore Our High-Quality Lithium-Ion Products At Langrui Energy (Shenzhen) Co.,Ltd, we offer a range of high-quality lithium-ion products designed to meet diverse needs: Lithium Ion Battery 12V: Perfect for various applications requiring a stable and reliable 12V power source. Ideal for use in RVs, solar power systems, and backup power solutions. Lithium Ion Battery Charger: Ensure your lithium-ion batteries are charged efficiently and safely with our advanced chargers, designed to support a range of battery sizes and types. Lithium Ion Battery Rechargeable: Enjoy the convenience of recharging with our high-performance, durable lithium-ion batteries, suitable for a wide array of devices and applications. Lithium Lon Battery: Explore our lithium lon battery options for reliable power solutions that offer long-lasting performance and efficiency. Price Concessions and Quality Assurance   We are committed to providing top-quality products at competitive prices. Our lithium-ion batteries and chargers are rigorously tested to ensure they meet the highest standards of performance and reliability. For more information or assistance in selecting the right battery for your needs, contact us today. Our team is here to help you find the best solutions for all your battery-related requirements.

In the world of modern electronics, the choice of battery technology can significantly impact performance, reliability, and convenience. One such advanced technology gaining traction is the lithium polymer battery. But what exactly is a lithium polymer battery, and why is it becoming a popular choice across various applications?   What Is a Lithium Polymer Battery? A lithium polymer battery, commonly known as a LiPo battery, is a type of rechargeable battery that uses a polymer electrolyte instead of a liquid electrolyte found in traditional lithium-ion batteries. This design innovation offers several advantages, making LiPo batteries a preferred choice in many applications.   Key Features of Lithium Polymer Batteries: Lightweight and Flexible: The polymer electrolyte used in LiPo batteries allows for a flexible and lightweight design. This makes them ideal for applications where weight and space are critical, such as in drones, remote-controlled vehicles, and wearable technology.   High Energy Density: Lithium polymer batteries provide a high energy density, meaning they can store a significant amount of energy relative to their size and weight. This makes them well-suited for devices that require a lot of power without compromising on portability.   Safety and Stability: The solid or gel-like electrolyte in LiPo batteries is less prone to leakage compared to liquid electrolytes. This contributes to enhanced safety and stability, reducing the risk of spills and improving overall reliability.   Versatile Form Factor: Unlike traditional cylindrical batteries, LiPo batteries can be made in various shapes and sizes. This versatility allows for custom designs that fit the specific needs of different devices, offering greater flexibility in product design. Our Range of Lithium Polymer Battery Products At Langrui Energy (Shenzhen) Co.,Ltd, we are committed to providing high-quality battery solutions to meet diverse needs. Our range of products includes:   Lithium Polymer Battery: Our premium LiPo batteries are designed to deliver reliable performance and efficiency. Perfect for a range of applications, these batteries offer the lightweight and high-energy benefits that modern technology demands.   Charger for Lithium Ion Battery: To complement our lithium polymer batteries, we offer high-performance chargers designed to ensure optimal charging and longevity. These chargers are compatible with various battery types, including lithium-ion and LiPo batteries.   Lithium Ion Battery 24V: For applications requiring higher voltage, our 24V lithium-ion batteries provide robust power solutions with extended life cycles and dependable performance.   Polymer Lithium Battery: Our polymer lithium batteries combine advanced polymer technology with high energy density, making them suitable for a variety of electronic devices and applications. Why Choose Us? We are dedicated to offering high-quality products at competitive prices. Our lithium polymer batteries and associated products are crafted to meet stringent quality standards, ensuring you get reliable and efficient performance. With our price concessions, you can benefit from top-notch battery technology without exceeding your budget.   Consult Us for Your Battery Needs If you have any questions or need assistance in selecting the right battery for your application, our knowledgeable team is here to help. Contact us to learn more about our lithium polymer batteries, chargers, and other products. Experience the difference that high-quality battery solutions can make in your technology and enjoy peace of mind with our reliable products.

The battery market is brimming with options, and two of the most prominent contenders are prismatic and cylindrical batteries. Both have their strengths and weaknesses, making the choice dependent on specific application requirements. Understanding Prismatic and Cylindrical Batteries Prismatic Batteries: These batteries have a rectangular or square shape. They are often used in electric vehicles (EVs) due to their high energy density and ability to be easily scaled to fit different vehicle designs. Cylindrical Batteries: Characterized by their round shape, cylindrical batteries are commonly found in consumer electronics like laptops and smartphones. They offer consistent performance, good safety records, and are relatively easy to manufacture. Which is Better? Determining the superior battery type is subjective and depends on the application. Energy Density: Prismatic batteries generally offer higher energy density, meaning they can store more energy in a given volume. This is crucial for EVs requiring long-range capabilities. Safety: Both battery types have robust safety features, but cylindrical batteries often have a slightly better safety record due to their individual cell structure, which can help contain potential issues. Consistency: Cylindrical batteries tend to have more consistent performance due to their standardized form factor. This is important for applications requiring stable power output. Scalability: Prismatic batteries are more flexible in terms of shape and size, making them suitable for various applications. Your Battery Solution Partner Langrui Energy (Shenzhen) Co.,Ltd is a leading supplier and innovator of lithium polymer and cylindrical lithium batteries. We specialize in designing, developing, manufacturing, and selling soft-pack lithium polymer and cylindrical lithium batteries. Our expertise allows us to cater to a wide range of applications, from consumer electronics to electric vehicles. We understand that choosing the right battery is crucial for your project's success. That's why we offer comprehensive consultations to help you select the ideal battery solution. Whether you require the high energy density of prismatic batteries or the consistent performance of cylindrical batteries, we have the expertise to meet your needs.

Lithium polymer batteries, or Li-Po batteries for short, are the go-to for powering everything from your handheld gadgets to high-tech drones. They're loved for their lightweight nature, impressive energy storage, and durability. Yet, one question seems to be on everyone's lips: just how long can these batteries actually last? Well, let's dive into the heart of Li-Po batteries to understand their lifespan better. The Pulse of Li-Po Batteries: Charge Cycles At the core of understanding a Li-Po battery's lifespan are charge cycles. Simply put, a charge cycle happens every time you discharge and then recharge your battery. On average, Li-Po batteries boast a lifespan ranging from 300 to 500 of these cycles. After hitting this range, you might start to notice they don't hold a charge as well as they used to. What Influences the Lifespan of a Li-Po Battery? Going the Distance: Deeply discharging your battery can be quite stressful for it. Try to keep discharges shallow to slow down any capacity fading. Feeling the Heat: High temperatures are a battery's worst nightmare, potentially clipping years off its life. Keep them cool to extend their life. The Art of Storage: When you're not using your Li-Po batteries, keeping them at a moderate charge (think 30% to 50%) and at room temperature is best. Extreme charge levels for long periods aren't doing them any favors. Keeping Your Battery in Tip-Top Shape To ensure your Li-Po batteries are living their best life: Avoid the Dreaded Zero: Try not to let your battery completely run out before charging up again. Charging Smart: Make sure you’re using the right charger, one that's meant for Li-Po batteries to ensure they're getting the correct voltage and current. Watch the Temp: Keep an eye on your battery's temperature when it's in use. Too hot, and you could be shortening its life. Your Go-To for Top-Quality Rechargeable Lithium Batteries Your Partner in High-Quality Rechargeable Lithium Battery Solutions AtLangrui Energy (Shenzhen) Co.,Ltd, we are a professional supplier of lithium polymer batteries and cylindrical lithium batteries. We are not just a supplier; we are engaged in the entire process, from design and development to manufacturing and sales of high-quality, soft-pack lithium polymer batteries and cylindrical lithium batteries. Our Commitment to You Customization: We understand that every application has unique power needs. We offer customization options to create the perfect battery solution for your specific requirements. Unwavering Quality: We are committed to providing reliable and long-lasting lithium battery solutions. We use only premium materials and rigorous quality control processes. Service: Our team of experts is dedicated to answering your questions and helping you choose the right rechargeable lithium battery for your needs. Contact Langrui Energy (Shenzhen) Co.,Ltd today! Let us be your partner in powering your innovations with high-performance and long-lasting lithium battery solutions.

Lithium Polymer Battery is a new type of lithium ion battery technology, which has certain advantages over traditional lithium-ion batteries (also called lithium battery). When evaluating which of these two batteries is better, multiple factors need to be considered, including battery capacity, energy density, lifespan, safety, etc. Lithium polymer batteries have high energy density and capacity. Traditional lithium-ion batteries use liquid electrolytes, while lithium polymer batteries use solid polymer electrolytes, which allows their battery capacity to be increased and their energy density to be relatively higher. Therefore, lithium polymer batteries can store more energy under the same volume. For applications requiring high energy density, lithium polymer batteries have advantages. Lithium polymer batteries have a long service life. During the use of lithium batteries, as the battery charges and discharges, the gradual migration of lithium ions will cause the expansion and contraction of the electrode material, which will have a certain impact on the life of the battery. Due to the solid-state characteristics of the electrolyte, lithium polymer batteries can effectively reduce the problem of lithium ion migration, thereby extending the service life of the battery. In addition, lithium polymer batteries have no memory effect when charging and discharging, and can be charged and discharged at any time without affecting the battery life. Lithium polymer batteries have better safety performance. Due to the liquid electrolyte inside the lithium-ion battery, once abnormal conditions such as battery short circuit or overheating occur, it can easily lead to dangerous situations such as battery overheating, combustion or even explosion. Lithium polymer batteries use solid polymer electrolytes, which have better thermal stability and safety, and are less likely to cause dangerous situations even in extreme circumstances. Therefore, lithium polymer batteries improve battery safety to a certain extent. Lithium polymer batteries also have some disadvantages. First, lithium polymer batteries are more expensive to manufacture. Compared with traditional lithium-ion batteries, lithium polymer batteries require more advanced production processes and materials, which increases the manufacturing cost of the battery. In addition, lithium polymer batteries have a lower operating temperature range, and excessively high or low temperatures will adversely affect the performance of the battery. When choosing battery technology, you need to comprehensively consider various factors based on specific application requirements, and make choices based on needs to achieve the best use results.

New Cycle · New Application --- Innovation and Expansion of Power Battery Time of Conference May 16 - May 17, 2023 Shenzhen World Exhibition & Convention Center (New Center), Shenzhen, China Power Battery Applications Branch of China Industrial Association of Power Sources (CIAPS-PBA) China Battery Enterprise Alliance (CBEA) Co-organized by Hubei EVE Energy Co., Ltd.

"Lithium battery" is a kind of battery which is made of lithium metal or lithium alloy as negative electrode material and uses non-aqueous electrolyte solution. Lithium metal batteries were first proposed and studied by GilbertN.Lewis in 1912. In the 1970s, M.S.Whittingham proposed and began to study lithium-ion batteries. Because of the very active chemical properties of lithium metal, the processing, preservation and use of lithium metal require very high environmental requirements. Therefore, lithium battery has not been used for a long time. With the development of science and technology, lithium battery has become the mainstream. Lithium batteries can be divided into two categories: lithium metal batteries and lithium ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable. Lithium metal battery, the fifth generation of rechargeable battery, was born in 1996. Its safety, specific capacity, self-discharge rate and performance-price ratio are better than lithium-ion battery. Due to their own high-tech requirements, only a few companies in a few countries are now producing the lithium-metal battery. Battery life Lithium ion batteries can only be charged and discharged 500 times? I believe the vast majority of consumers have heard that the life of lithium batteries is "500 times", 500 times of charge and discharge, more than this number, the battery will "die". In order to prolong the life of the battery, many friends charge each time when the battery is completely exhausted. Does this really extend the life of the battery? The answer is no. The life of a lithium battery is "500 times", which refers not to the number of charges, but to a charge-discharge cycle. A charging cycle means that the process of charging all the battery from full to empty and then from empty to full is not the same as charging once. For example, a piece of lithium electricity uses only half of the electricity on the first day, and then fills it with electricity. If this is the case the next day, it will be charged in half and charged twice in all, which can only be counted as one charging cycle, not two. As a result, it may usually take several charges to complete a cycle. For each charging cycle, the battery capacity is reduced a little. However, this power reduction is very small, high-quality batteries after multiple cycles, will still retain 80% of the original capacity, many lithium-powered products will still be used as usual after two or three years. Of course, lithium life still needs to be replaced after the end of the life. And the so-called 500 times, refers to the manufacturer in a constant discharge depth (such as 80%) to achieve about 625 rechargeable times, up to 500 charging cycles. (80% ≤ 625 ≤ 500) (neglecting factors such as reduced capacity of lithium batteries) However, due to the various effects of real life, especially the discharge depth is not constant, so "500 charging cycle" can only be used as a reference battery life. It is correct to say that the life of lithium is related to the number of times of charging cycle, but not directly related to the number of charges. Simply understand, for example, that a piece of lithium electricity uses only half of the electricity on the first day, and then fills it with electricity. If this is the case the next day, it will be charged in half and charged twice in all, which can only be counted as one charging cycle, not two. As a result, it may usually take several charges to complete a cycle. For each charging cycle, the amount of electricity is reduced a little. However, the reduction is very small. High-quality batteries will still retain 80% of their original electricity after multiple cycles. That is why many lithium-powered products will still be used as usual after two or three years. Of course, lithium life needs to be replaced at the end of the day. The life life of lithium electricity is generally 300 × 500 charging cycles. Assuming that the amount of electricity provided by a complete discharge is Q, if the reduction of electricity after each charging cycle is not taken into account, lithium electricity can provide or supplement 300Q-500Q power in total during its life. From this, we know that if you use 1 / 2 at a time, you can charge 600-1000 times; if you use 1 / 3 at a time, you can charge 900 times. And so on, if you charge at random, the number of times is uncertain. In short, no matter how much is charged, the total amount of electricity added to the 300Q~500Q is constant. Therefore, we can also understand that the life of lithium battery is related to the total charge of the battery, but not to the number of charges. There is no significant difference between deep discharge and shallow discharge on lithium life. In fact, shallow charging is more beneficial to lithium electricity, only when the power module of the product is on time for lithium electricity, there is a need for deep charging. Therefore, the use of lithium power supply products do not have to stick to the process, everything to facilitate first, charging at any time, do not have to worry about affecting life.If lithium electricity is used above the specified operating temperature, that is, more than 35 °C, the battery will continue to reduce its power supply, that is, the battery will not be supplied for as long as usual. If the device is charged at this temperature, the damage to the battery will be even greater. Even if the battery is stored in a hotter environment, it will inevitably cause corresponding damage to the quality of the battery. Therefore, it is a good way to prolong the life of lithium as much as possible to keep it at a beneficial operating temperature. If lithium electricity is used in low temperature environment, that is, below 4 °C, it will also be found that the battery life is reduced, and the original lithium electricity of some mobile phones can not even be charged at low temperature. But don't worry too much, this is only a temporary condition, unlike the use of high temperature environment, once the temperature rises, the molecules in the battery are heated, immediately return to the previous electricity. To maximize the efficiency of lithium-ion batteries, it needs to be used frequently to keep electrons in lithium batteries flowing all the time. If lithium electricity is not often used, please remember to complete a charging cycle for lithium electricity every month, and do electricity calibration once, that is, once deep discharge. Interpretation of the provisions of the national standard: a. This definition specifies that the test of cycle life is carried out in a deep and deep way. b. According to this model, the cycle life of lithium battery is still more than 60% after ≥ 300 cycles. However, the number of cycles obtained by different cycle systems is very different, for example, the above other conditions remain unchanged, only changing the constant voltage voltage of 4.2 V to the constant voltage voltage of 4.1 V to test the cycle life of the same type of battery, so that the battery is no longer a deep charging mode, and the number of cycle life can be increased by nearly 60%. Then if the cutoff voltage is increased to 3.9V for testing, the number of cycles should be increased several times. This statement of cyclic charge and discharge is less than one life, we should note that the definition of lithium battery charging cycle: a charging cycle refers to the lithium battery from full to empty, and then from empty to full process. And that's not the same as charging once. In addition, when you talk about the number of cycles, you can't ignore the conditions of the cycle. It makes no sense to put aside the rules to talk about the number of cycles, because the number of cycles is a means of testing battery life, not an end!

Many people have bad habits, often people do not put electric car batteries at home, the air switch is not turned off, do not ride for a few months. When I came back to the bike a few months later, I found that the car was dead and the charge could not be charged in. The charger is plugged in, but it has always been green, even if it is inserted 24 hours a day, because the battery voltage is too low, and the charger is too different from the charger output voltage, the charger is unable to flush the electricity into the battery. This is what is commonly said to be that batteries are "starved to death". The voltage of this battery block battery is generally only about 5.6 V, which does not exceed 6V. For such batteries, most of them are batteries. But it is a pity to replace a group of batteries with hundreds of batteries, especially those that have just passed the warranty. Here are five better ways to save most of these "starved" batteries. Note that most of them are not 100%. First, series method. A 12-volt battery with a normal voltage is connected to the entire group of batteries. For example, the original car is a 48V-20AH battery, so we connect another 12V-20AH battery. A sufficient 12V battery voltage is about 13V, after series can increase the voltage of the whole group of batteries, and then use his original charger to charge, so that the charger can be plugged in, the charger is a red light, at this time can be charged in. When the charger changes to a green light, take off the battery that is connected in series. And then charge it normally.Second, parallel method. This method is a little more troublesome. For example, the vehicle turned out to be a 48V-20AH battery, and we parallel a group of 48V-20AH batteries. It is known that the voltage of the parallel circuit is equal, and the high voltage end will flow to the low voltage end. This method is also used by many battery dealers to detect batteries that have no electricity at all. Then charging can also achieve the purpose of charging. This principle is similar to that of concatenating a battery. It also increases the voltage of the whole group. 3. Low voltage charging method. Choose the primary one charger to charge. For example, if it is a set of 60V-20AH batteries, then we are charging with 48V-20AH chargers. In this way, in most cases, it can also be added. The principle is similar to the first, which brings the charging voltage closer to the voltage at both ends of the battery. 4. Charging method of single battery. Charging a single battery with a 12-volt motorcycle charger can activate the battery, but this kind of charging is relatively slow, generally it takes more than 7 hours to charge, the battery voltage will slowly rise to about 12 V. If it takes a lot of time to charge all the pieces. 5. Special charger method. The Tianneng charger automatically recognizes the battery voltage, no matter how many volts a group of battery voltages have, it can automatically identify the voltage, and he can charge it in. For example, the original car is a 60V-20AH battery, now only less than 30V, it can still be charged inside. With the increase of voltage, it is fully adapted to the higher voltage, and then charge the battery. Tailing, Lujia electric car, Jinpeng tricycle matching this brand charger.Battery activation is called "power scale calibration" on Lenovo power management software. When the PC terminal uses Everest to detect the power supply, there is a "design capacity", followed by "full charging capacity". If the values of the two items are the same, you will see that the "battery loss" item below is 0%; generally speaking, the "full charging capacity" of the battery that has just left the factory or has not been maintained in time will be less than the "design capacity", at this time you will see that the battery loss is 1%. This means that the battery is not "fully filled", and we need to carry out "full charge and discharge" (uninterrupted charging for 12 hours or more after full discharge) to fully "develop" the "potential" of the battery. This complete charge-discharge process is called "activation battery". Lenovo Thinkpad and other power management software has a "power scale calibration" function principle is similar. Personally, I think some old technology batteries, such as NiMH, need to be activated. Lithium battery theory needs to be intensified because a layer of SEI protective layer needs to be formed at the negative electrode. But the process has actually been completed in the production testing phase. Personally, I think consumers have such a service as a result of misunderstandings about batteries. In addition, how to activate lithium battery "starved to death"? Laptop battery or cell phone batteryYour cell phone battery is "hungry" to death, can not turn on the machine can not charge the electricity, at this time need to activate! First of all, starving is the phenomenon that the battery can no longer be recharged when the battery has been dead or when the power is very low. Then there are two ways to activate the so-called activation: one is to use universal filling for about 20 minutes to activate. The second is to give the mobile phone maintenance shop a more professional voltage slightly higher such as 12 volts of power to activate, specifically put the power supply positive and negative electrodes on the battery positive and negative electrode for tens of seconds or even a few minutes to power it on, open it! Finally, after activation, it is possible to charge with direct charging as before, and it is not known whether it will have a significant impact on life expectancy. Charge it with an instrument. (if the above method does not work, the battery is not faulty, it needs to be activated with a 'voltage stabilizing power supply', black wire to battery negative electrode, red battery positive electrode, charging voltage up to 3.8 V, can) use lithium battery device, the first time you do not need to charge for 12 hours, this is not necessary!

What are the models and specifications of lithium-ion battery core? What are the model specifications of the battery? In the final analysis, there are several, in fact, it is not clear, because each battery manufacturer has its own model specifications, but also some custom battery specifications and so on. The following is an introduction to the naming of lithium battery model specifications and the meaning of letters and numbers above the battery, so that you can have a better understanding of the battery model specifications. Model specification for cylindrical lithium batteries The model of the cylindrical lithium battery is named, consisting of three letters and five digits. IEC61960 specifies the rules for cylindrical and square batteries as follows:Low temperature and high energy density 18650 3500mAh Specific energy 252Whykg, discharge capacity ≥ 70% at 40 ℃ Charging temperature: 0 ≤ 45 ℃ -discharge temperature:-40 ≤ 55 ℃ -40 ℃ supports maximum discharge rate: 1C -40 ℃ 0.5 discharge capacity retention rate ≥ 70% Cylindrical lithium battery, 3 letters followed by 5 numbers. Three letters, I for built-in lithium ions, L for lithium metal or lithium alloy electrodes. The second letter represents the cathode material, C for the drill, N for nickel, M for manganese and V for vanadium. The third letter, R, represents the cylinder. Five numbers, the first two numbers for diameter, and the last three numbers for height, all in mm. For example, ICR18650 is a universal 18650 cylindrical battery with a diameter of 18mm and a height of 65 mm. 3.6V is the index of 3.6V voltage. C is the discharge rate of the battery, unit mAh, which is commonly said to be the discharge size or speed per unit time. For example, the battery capacity used for 1 hour discharge is called 1C discharge, and 5 h discharge is called 0.2C discharge.The model name of the square battery: six numbers indicate the thickness, width and height of the battery in millimeters. If any of the three dimensions is greater than or equal to 100mm, a slash should be added between the dimensions; if any of the three dimensions is less than 1mm, the letter t "should be added to this size, which is in units of 1/10 mm. ICP103450 represents a square secondary lithium-ion battery, the cathode material is a drill, its thickness is about 10mm, its width is about 34mm, and its height is about 50mm. ICPO8/34/150 represents a square secondary lithium-ion battery, the cathode material is a drill, its thickness is about 8mm, the width is about 34mm, the height is about 150mm. ICPt73448 represents a square secondary lithium-ion battery, the cathode material is a drill, its thickness is about 0.7mm, the width is about 34mm, the height is about 48mm.

With the integration of the industrial chain, battery recovery upstream and downstream bundling step forward. On February 27, Greene announced that it would work with Mercedes-Benz China, Ningde Times and Bond, a company owned by Ningde Times, to carry out battery recovery business. The core content of this cooperation is that in the recycling of waste batteries, Mercedes-Benz-Mercedes-Benz decommissioned batteries in China will be handed over to Greene and Bump for treatment, and the recycled nickel, cobalt, manganese, lithium and other key raw materials will be resupplied to the Ningde era supply chain and used to produce Mercedes-Benz new batteries. As can be seen, with Ningde era to launch a lithium mine rebate plan, through lithium carbonate 200000 yuan / ton price binding car company battery shipment order is similar. This cooperation in battery recovery business, through the cooperation with host manufacturers of waste batteries to bind upstream battery processing, manufacturing and terminal battery shipment, Ningde era to ship orders bundled upstream and downstream mode in the field of battery recovery. As far as the business dynamics of battery recovery are concerned, the number of cases of cooperation among car enterprises, batteries and battery materials related enterprises is increasing, and the pace of industrial chain cooperation is constantly advancing, such as: In August 2022, Ningde era cooperated with Xiexin Group in the field of heavy truck switching and battery recovery. In the aspect of power battery cascade utilization, according to the heavy truck + energy storage application scenario, the battery cost in the whole life cycle will be optimized to realize the cascade utilization of power battery in energy storage. The two sides will also actively explore innovative cooperation in the field of power battery recovery and work together with the upstream and downstream industrial chain to build a mobile energy ecosystem.

With the integration of the industrial chain, battery recovery upstream and downstream bundling step forward. On February 27, Greene announced that it would work with Mercedes-Benz China, Ningde Times and Bond, a company owned by Ningde Times, to carry out battery recovery business. The core content of this cooperation is that in the recycling of waste batteries, Mercedes-Benz-Mercedes-Benz decommissioned batteries in China will be handed over to Greene and Bump for treatment, and the recycled nickel, cobalt, manganese, lithium and other key raw materials will be resupplied to the Ningde era supply chain and used to produce Mercedes-Benz new batteries. As can be seen, with Ningde era to launch a lithium mine rebate plan, through lithium carbonate 200000 yuan / ton price binding car company battery shipment order is similar. This cooperation in battery recovery business, through the cooperation with host manufacturers of waste batteries to bind upstream battery processing, manufacturing and terminal battery shipment, Ningde era to ship orders bundled upstream and downstream mode in the field of battery recovery. As far as the business dynamics of battery recovery are concerned, the number of cases of cooperation among car enterprises, batteries and battery materials related enterprises is increasing, and the pace of industrial chain cooperation is constantly advancing, such as: In August 2022, Ningde era cooperated with Xiexin Group in the field of heavy truck switching and battery recovery. In the aspect of power battery cascade utilization, according to the heavy truck + energy storage application scenario, the battery cost in the whole life cycle will be optimized to realize the cascade utilization of power battery in energy storage. The two sides will also actively explore innovative cooperation in the field of power battery recovery and work together with the upstream and downstream industrial chain to build a mobile energy ecosystem.

In 2022, the demand of the terminal market represented by household energy storage broke out, which led to a big increase in the demand for small and medium capacity cells of 50-100Ah. With the high demand for household storage downstream, the supply of 50-100Ah energy storage battery capacity is insufficient, many storage all-in-one enterprises can not fully purchase small capacity batteries even by cash delivery, and the bargaining power of the industry chain is transferred from the downstream to the upstream as a whole. Energy storage system integration enterprises reduce the risk of battery supply by locking the production line in advance, signing long orders, strategic cooperation, industrial investment and other multiple ways. Under the dual blessing of market stimulus and capital injection, battery enterprises accelerate to the road of fund-raising and production expansion, and compete in all directions from the aspects of technology, products, market, cost, efficiency and so on. Multiple application scenarios, 50-100Ah cell shortage. According to the shape of the product, the energy storage battery is mainly classified into square, cylindrical and soft package batteries, and according to capacity, there are mainly 50Ah, 100Ah, 150Ah, 200Ah and 280Ah models, in which 50Ah and 100Ah are mainly used for household storage, while 150Ah, 200Ah and 280Ah are mainly used for large storage. 50-100Ah battery can be used in household energy storage, communication energy storage, industrial and commercial energy storage, electric energy storage, specific application scenarios include communication base stations, data centers, school and hospital public facilities, mobile charger, household optical storage, rail transit, low-speed electric vehicles, portable emergency power supply and so on. Household energy storage (including portable energy storage) is mainly used for peak-valley price difference arbitrage, power spontaneous self-use, etc., surpassing communication power reserve for the first time in 2022 to become the second largest energy storage shipping field, the mainstream battery product capacity is 50Ah, 100Ah. Household energy storage broke out overseas in 2022, and the industry ushered in a golden period of development. According to GGII research, the value of China's household energy storage industry chain increased to 40 billion yuan in 2022. Shipments of household energy storage batteries in China in 2022 were 25GWh, an increase of 354.5 percent over the same period last year, and portable energy storage shipments were 4GWh, an increase of 207.7 percent over the same period last year. Compared with power and large storage, the requirements of battery technology for household energy storage are relatively relaxed. The requirements for cell performance in household scenarios are relatively relaxed, with emphasis on safety and cost reduction. Due to the influence of multiple factors such as production line, system group efficiency and cost reduction space, the supply of household energy storage battery in 2022 is seriously insufficient, and its shortage is even higher than that of electric energy storage 280Ah battery. The scale of the household energy storage system is at the 10kWh level, mainly with small cells below 100Ah. The household energy storage core scheme mainly includes square, large cylinder and soft package, in which the single capacity of large cylinder is in 10Ah-50Ah, square 50Ah-300Ah, soft package 30Ah-80Ah, and the packaging route has not yet been finalized.2022 main capacity models of domestic household energy storage lithium batteries. Shape. System. Capacity. Cylindrical battery. LFP. 10~50Ah. Square battery. LFP. 50Ah . 100Ah. Soft package battery. LFP. 30-100Ah. Data source: public information, high-tech industry, research and finishing, March 2022. Communication energy storage mainly refers to the standby power supply of communication base stations such as 4G/5G, which is used to prevent power outage and defect accidents from causing network paralysis and interruption risk to the communication system. The main product models of single battery are 50Ah and 100Ah square and soft-clad iron lithium battery. According to GGII research, shipments of communication energy storage batteries reached 9GWh in 2022, down 25% from the same period last year. Main capacity models of domestic communication energy storage lithium battery. Shape. Craftsmanship. System. Capacity. Square battery. Winding. LFP. 50Ah . 100Ah. Soft package battery. Laminated sheet. LFP. 50Ah . 100Ah. Data source: public information, high engineering industry, research and finishing, October 2022. Electric energy storage (including industrial and commercial energy storage) is the largest field of energy storage and shipment, and the mainstream battery capacity is 100/200/280Ah. At present, large cells above 200Ah have become the mainstream choice of domestic centralized and industrial and commercial user side energy storage systems. Almost all domestic electric energy storage battery enterprises adopt square lithium iron phosphate line, among which sea-based new energy mainly uses 120/280Ah model and Kunyu power supply mainly uses 100/280/300Ah model. Production capacity of small capacity battery & technology competition. Under the background of insufficient production capacity of small capacity energy storage battery below 100Ah, the industrial chain is breaking the situation from two directions. The first is to explore the use of large cell scheme (120-280Ah) to build household storage system architecture, such as honeycomb 184Ah blade battery home storage system application. However, from the point of view of the demand characteristics of end customers and the constraints of market management policies, small capacity cells such as 50Ah are still the mainstream choice for household storage cells in the short and medium term. The second is the industrial chain enterprises around small capacity cell capacity planning expansion, in order to meet the procurement needs of downstream customers. For example, the domestic storage head enterprise Pai Neng Technology 2022H1 raised 5 billion yuan to invest in part of the 10GWh lithium battery R & D and manufacturing base project. Household energy storage will set off a small-capacity battery investment in the domestic lithium battery industry in the next 2-3 years. According to GGII data, the global household storage scale is expected to exceed 15GWh in 2022, an increase of more than 134% over the same period last year. It is optimistically estimated that the global installed scale is expected to reach 100GWh in 2025. On the supply side, the number of enterprises pouring into the household storage track has also soared several times. BYD, Penghui Energy, Xineng an, Parergy Technology, Haichen Energy Storage, Zhongtian Technology, far East Battery and other enterprises with earlier card positions have mostly achieved a double increase in revenue and profits in the field of energy storage in 2022. Among them, the shipments of Penghui Energy, Xinneng an and Paineng Technology exceeded 2GWh in 2022, with a growth rate of 500,000% for Penghui Energy, and 100,300% for Xinneng an and PaiNeng Technology. The homogenization competition of household storage track is fierce, so it is very important to build the core competitiveness of products from the aspects of cell, module, system and so on. On the one hand, the high-voltage product platform is an important trend in the development of household storage products. Small-capacity batteries below 100Ah have obvious application advantages in high-voltage system architecture. Small-capacity batteries can obtain higher system voltage through series, with greater performance-to-price advantage, and small cell products come to market earlier, and the scheme is more mature. On the other hand, the cycle of household storage battery will reach more than 6000 times, and the rate will reach 1C charge and discharge. The next generation of household storage battery will be a longer cycle, higher rate product model. Battery manufacturers such as far East Battery, Yijiatong, Haichen Energy Storage, Yiwei Energy Storage, Ningde Times, BYD Energy Storage, Penghui Energy, Zhongtian Energy Storage, Kexin cohesion and other battery manufacturers have released special batteries for household side energy storage.Among them, Penghui Energy mainly has square, cylindrical and soft package batteries, square energy storage cells are mainly classified according to capacity there are 50Ah, 100Ah, 150Ah, 280Ah models, of which 50Ah and 100Ah are mainly used for household storage. At the same time, Penghui energy differentiation competition, the launch of 50Ah/100Ah square portable energy storage battery, has won Zhenghao technology portable energy storage box order. At the same time, the 40135 electrodeless ear large cylindrical battery developed by Penghui is suitable for two-wheelers, portable energy storage and household energy storage and other fields. It is reported that this product has been ordered by the bull. Ruipu Lanjun released the household energy storage cell of 72Ah and 100Ah. On the basis of 4000 cycles of the previous generation of 50Ah, it reached 72Ah after capacity upgrading and realized a leap of 6000 cycles. And Ruipu Lanjun's new 100Ah battery can achieve 20-year cycle. It is reported that the series is expected to be mass produced in 2023. Far East battery 50Ah LFP cell products, using high stable cathode + fast charge graphite + long life electrolyte, long cycle life ≥ 8000 times, excellent performance such as low temperature, double charge and double discharge, can meet the needs of various use scenarios. By October 2022, far East shares have won the bid / signed orders for household energy storage of more than 10 million yuan and more than 870 million yuan, and have been notified by European importers of household energy storage systems and other products, and it is expected to supply 15000-20, 000 sets in 2023. Zhongtian Energy Storage launched "LFP Love Family Source" 50Ah/100Ah household energy storage series of square iron lithium batteries in November 2022, with a cycle life of more than 6000 times and a service life of more than 10 years. Zhongtian Energy Storage has completed the 2GWh household energy storage cell production line, and the battery products are officially opened for delivery around the world. The first phase of the project enters the household storage market with the world's first 2U-100Ah battery. Its 2U-100Ah lithium iron phosphate cell uses an ultra-thin design. Compared with traditional 3U and 4U batteries, 2U is no more than 10cm in thickness, which can save 33% of the installation space, achieve higher installation power with less space, and increase the volume energy density of the battery system. At present, Kexin Jili has 1GWh's 100Ah, 150Ah cell production capacity. Tianchen New Energy, a subsidiary of Black Sesame, plans to build square lithium iron phosphate battery production bases in Nanjing, Jiangsu Province and Nanchang City, Jiangxi Province at the same time, which will form the annual production capacity of 15.2GWh300Ah battery and 3.9GWh100Ah battery. Tianchen New Energy plans to focus on the production of 50AH, 100AH, 300AH and other energy storage lithium battery products, covering distributed household energy storage, generation-side energy storage and grid-side energy storage applications. Household energy storage end, mainly 100Ah, 50Ah square aluminum shell battery. However, 40 and 46 series large cylindrical batteries will also become one of the important choices for household energy storage battery races. In addition, sodium batteries and lithium-sulfur batteries are seeking to store energy and accelerate the process of industrialization. Enterprises represented by Penghui Energy, Haichen Energy Storage and Chuneng New Energy are actively exploring the feasibility of the application of large cylindrical batteries, and are expected to ship in bulk in 2023. Haichen Energy Storage launched a large cylindrical household energy storage battery in August 2022, the highest energy density is greater than 150Wh/kg, the cycle life is more than 5000 times, the product specification covers 4680-46300, the capacity can be customized in 10Ah~50Ah, and global delivery will begin in the first quarter of 2023. In May 2022, the M1 intelligent factory of the first phase of Haichen energy storage lithium battery intelligent manufacturing project, with an annual capacity of 15GW, is used to produce diversified energy storage cells such as 25Ah, 50Ah, 280Ah, etc. In June 2022, Haichen energy storage 50Ah energy storage battery production line was successfully put into production. Yiwei LiNeng also launched 18650 and 21700 cylindrical cells, and also released a "π" battery system based on large cylindrical cells. In terms of product structure, Yiwei Lithium can continue to force in the direction of large cylinders in recent years. Yiwei Lithium Energy 20GWh large cylindrical battery factory in Jingmen, Hubei Province is about to be completed, and the first generation 46 series large cylindrical lithium battery will be mass produced. In the aspect of 60 series large cylindrical lithium iron phosphate, time has jointly developed 50Ah and 100Ah series batteries, which have the advantages of high capacity, low internal resistance, low temperature rise, high rate, long life and high safety on the basis of high specific energy and high consistency. Generally speaking, cylindrical, square and soft package product packaging systems have their own advantages and characteristics in the field of household energy storage, and they will form a pattern of mutual complement and mutual support in the short and medium term, rather than a dominant situation.

In 2022, the demand of the terminal market represented by household energy storage broke out, which led to a big increase in the demand for small and medium capacity cells of 50-100Ah. With the high demand for household storage downstream, the supply of 50-100Ah energy storage battery capacity is insufficient, many storage all-in-one enterprises can not fully purchase small capacity batteries even by cash delivery, and the bargaining power of the industry chain is transferred from the downstream to the upstream as a whole. Energy storage system integration enterprises reduce the risk of battery supply by locking the production line in advance, signing long orders, strategic cooperation, industrial investment and other multiple ways. Under the dual blessing of market stimulus and capital injection, battery enterprises accelerate to the road of fund-raising and production expansion, and compete in all directions from the aspects of technology, products, market, cost, efficiency and so on. Multiple application scenarios, 50-100Ah cell shortage. According to the shape of the product, the energy storage battery is mainly classified into square, cylindrical and soft package batteries, and according to capacity, there are mainly 50Ah, 100Ah, 150Ah, 200Ah and 280Ah models, in which 50Ah and 100Ah are mainly used for household storage, while 150Ah, 200Ah and 280Ah are mainly used for large storage. 50-100Ah battery can be used in household energy storage, communication energy storage, industrial and commercial energy storage, electric energy storage, specific application scenarios include communication base stations, data centers, school and hospital public facilities, mobile charger, household optical storage, rail transit, low-speed electric vehicles, portable emergency power supply and so on. Household energy storage (including portable energy storage) is mainly used for peak-valley price difference arbitrage, power spontaneous self-use, etc., surpassing communication power reserve for the first time in 2022 to become the second largest energy storage shipping field, the mainstream battery product capacity is 50Ah, 100Ah. Household energy storage broke out overseas in 2022, and the industry ushered in a golden period of development. According to GGII research, the value of China's household energy storage industry chain increased to 40 billion yuan in 2022. Shipments of household energy storage batteries in China in 2022 were 25GWh, an increase of 354.5 percent over the same period last year, and portable energy storage shipments were 4GWh, an increase of 207.7 percent over the same period last year. Compared with power and large storage, the requirements of battery technology for household energy storage are relatively relaxed. The requirements for cell performance in household scenarios are relatively relaxed, with emphasis on safety and cost reduction. Due to the influence of multiple factors such as production line, system group efficiency and cost reduction space, the supply of household energy storage battery in 2022 is seriously insufficient, and its shortage is even higher than that of electric energy storage 280Ah battery. The scale of the household energy storage system is at the 10kWh level, mainly with small cells below 100Ah. The household energy storage core scheme mainly includes square, large cylinder and soft package, in which the single capacity of large cylinder is in 10Ah-50Ah, square 50Ah-300Ah, soft package 30Ah-80Ah, and the packaging route has not yet been finalized.2022 main capacity models of domestic household energy storage lithium batteries. Shape. System. Capacity. Cylindrical battery. LFP. 10~50Ah. Square battery. LFP. 50Ah . 100Ah. Soft package battery. LFP. 30-100Ah. Data source: public information, high-tech industry, research and finishing, March 2022. Communication energy storage mainly refers to the standby power supply of communication base stations such as 4G/5G, which is used to prevent power outage and defect accidents from causing network paralysis and interruption risk to the communication system. The main product models of single battery are 50Ah and 100Ah square and soft-clad iron lithium battery. According to GGII research, shipments of communication energy storage batteries reached 9GWh in 2022, down 25% from the same period last year. Main capacity models of domestic communication energy storage lithium battery. Shape. Craftsmanship. System. Capacity. Square battery. Winding. LFP. 50Ah . 100Ah. Soft package battery. Laminated sheet. LFP. 50Ah . 100Ah. Data source: public information, high engineering industry, research and finishing, October 2022. Electric energy storage (including industrial and commercial energy storage) is the largest field of energy storage and shipment, and the mainstream battery capacity is 100/200/280Ah. At present, large cells above 200Ah have become the mainstream choice of domestic centralized and industrial and commercial user side energy storage systems. Almost all domestic electric energy storage battery enterprises adopt square lithium iron phosphate line, among which sea-based new energy mainly uses 120/280Ah model and Kunyu power supply mainly uses 100/280/300Ah model. Production capacity of small capacity battery & technology competition. Under the background of insufficient production capacity of small capacity energy storage battery below 100Ah, the industrial chain is breaking the situation from two directions. The first is to explore the use of large cell scheme (120-280Ah) to build household storage system architecture, such as honeycomb 184Ah blade battery home storage system application. However, from the point of view of the demand characteristics of end customers and the constraints of market management policies, small capacity cells such as 50Ah are still the mainstream choice for household storage cells in the short and medium term. The second is the industrial chain enterprises around small capacity cell capacity planning expansion, in order to meet the procurement needs of downstream customers. For example, the domestic storage head enterprise Pai Neng Technology 2022H1 raised 5 billion yuan to invest in part of the 10GWh lithium battery R & D and manufacturing base project. Household energy storage will set off a small-capacity battery investment in the domestic lithium battery industry in the next 2-3 years. According to GGII data, the global household storage scale is expected to exceed 15GWh in 2022, an increase of more than 134% over the same period last year. It is optimistically estimated that the global installed scale is expected to reach 100GWh in 2025. On the supply side, the number of enterprises pouring into the household storage track has also soared several times. BYD, Penghui Energy, Xineng an, Parergy Technology, Haichen Energy Storage, Zhongtian Technology, far East Battery and other enterprises with earlier card positions have mostly achieved a double increase in revenue and profits in the field of energy storage in 2022. Among them, the shipments of Penghui Energy, Xinneng an and Paineng Technology exceeded 2GWh in 2022, with a growth rate of 500,000% for Penghui Energy, and 100,300% for Xinneng an and PaiNeng Technology. The homogenization competition of household storage track is fierce, so it is very important to build the core competitiveness of products from the aspects of cell, module, system and so on. On the one hand, the high-voltage product platform is an important trend in the development of household storage products. Small-capacity batteries below 100Ah have obvious application advantages in high-voltage system architecture. Small-capacity batteries can obtain higher system voltage through series, with greater performance-to-price advantage, and small cell products come to market earlier, and the scheme is more mature. On the other hand, the cycle of household storage battery will reach more than 6000 times, and the rate will reach 1C charge and discharge. The next generation of household storage battery will be a longer cycle, higher rate product model. Battery manufacturers such as far East Battery, Yijiatong, Haichen Energy Storage, Yiwei Energy Storage, Ningde Times, BYD Energy Storage, Penghui Energy, Zhongtian Energy Storage, Kexin cohesion and other battery manufacturers have released special batteries for household side energy storage.Among them, Penghui Energy mainly has square, cylindrical and soft package batteries, square energy storage cells are mainly classified according to capacity there are 50Ah, 100Ah, 150Ah, 280Ah models, of which 50Ah and 100Ah are mainly used for household storage. At the same time, Penghui energy differentiation competition, the launch of 50Ah/100Ah square portable energy storage battery, has won Zhenghao technology portable energy storage box order. At the same time, the 40135 electrodeless ear large cylindrical battery developed by Penghui is suitable for two-wheelers, portable energy storage and household energy storage and other fields. It is reported that this product has been ordered by the bull. Ruipu Lanjun released the household energy storage cell of 72Ah and 100Ah. On the basis of 4000 cycles of the previous generation of 50Ah, it reached 72Ah after capacity upgrading and realized a leap of 6000 cycles. And Ruipu Lanjun's new 100Ah battery can achieve 20-year cycle. It is reported that the series is expected to be mass produced in 2023. Far East battery 50Ah LFP cell products, using high stable cathode + fast charge graphite + long life electrolyte, long cycle life ≥ 8000 times, excellent performance such as low temperature, double charge and double discharge, can meet the needs of various use scenarios. By October 2022, far East shares have won the bid / signed orders for household energy storage of more than 10 million yuan and more than 870 million yuan, and have been notified by European importers of household energy storage systems and other products, and it is expected to supply 15000-20, 000 sets in 2023. Zhongtian Energy Storage launched "LFP Love Family Source" 50Ah/100Ah household energy storage series of square iron lithium batteries in November 2022, with a cycle life of more than 6000 times and a service life of more than 10 years. Zhongtian Energy Storage has completed the 2GWh household energy storage cell production line, and the battery products are officially opened for delivery around the world. The first phase of the project enters the household storage market with the world's first 2U-100Ah battery. Its 2U-100Ah lithium iron phosphate cell uses an ultra-thin design. Compared with traditional 3U and 4U batteries, 2U is no more than 10cm in thickness, which can save 33% of the installation space, achieve higher installation power with less space, and increase the volume energy density of the battery system. At present, Kexin Jili has 1GWh's 100Ah, 150Ah cell production capacity. Tianchen New Energy, a subsidiary of Black Sesame, plans to build square lithium iron phosphate battery production bases in Nanjing, Jiangsu Province and Nanchang City, Jiangxi Province at the same time, which will form the annual production capacity of 15.2GWh300Ah battery and 3.9GWh100Ah battery. Tianchen New Energy plans to focus on the production of 50AH, 100AH, 300AH and other energy storage lithium battery products, covering distributed household energy storage, generation-side energy storage and grid-side energy storage applications. Household energy storage end, mainly 100Ah, 50Ah square aluminum shell battery. However, 40 and 46 series large cylindrical batteries will also become one of the important choices for household energy storage battery races. In addition, sodium batteries and lithium-sulfur batteries are seeking to store energy and accelerate the process of industrialization. Enterprises represented by Penghui Energy, Haichen Energy Storage and Chuneng New Energy are actively exploring the feasibility of the application of large cylindrical batteries, and are expected to ship in bulk in 2023. Haichen Energy Storage launched a large cylindrical household energy storage battery in August 2022, the highest energy density is greater than 150Wh/kg, the cycle life is more than 5000 times, the product specification covers 4680-46300, the capacity can be customized in 10Ah~50Ah, and global delivery will begin in the first quarter of 2023. In May 2022, the M1 intelligent factory of the first phase of Haichen energy storage lithium battery intelligent manufacturing project, with an annual capacity of 15GW, is used to produce diversified energy storage cells such as 25Ah, 50Ah, 280Ah, etc. In June 2022, Haichen energy storage 50Ah energy storage battery production line was successfully put into production. Yiwei LiNeng also launched 18650 and 21700 cylindrical cells, and also released a "π" battery system based on large cylindrical cells. In terms of product structure, Yiwei Lithium can continue to force in the direction of large cylinders in recent years. Yiwei Lithium Energy 20GWh large cylindrical battery factory in Jingmen, Hubei Province is about to be completed, and the first generation 46 series large cylindrical lithium battery will be mass produced. In the aspect of 60 series large cylindrical lithium iron phosphate, time has jointly developed 50Ah and 100Ah series batteries, which have the advantages of high capacity, low internal resistance, low temperature rise, high rate, long life and high safety on the basis of high specific energy and high consistency. Generally speaking, cylindrical, square and soft package product packaging systems have their own advantages and characteristics in the field of household energy storage, and they will form a pattern of mutual complement and mutual support in the short and medium term, rather than a dominant situation.

In 2022, the demand of the terminal market represented by household energy storage broke out, which led to a big increase in the demand for small and medium capacity cells of 50-100Ah. With the high demand for household storage downstream, the supply of 50-100Ah energy storage battery capacity is insufficient, many storage all-in-one enterprises can not fully purchase small capacity batteries even by cash delivery, and the bargaining power of the industry chain is transferred from the downstream to the upstream as a whole. Energy storage system integration enterprises reduce the risk of battery supply by locking the production line in advance, signing long orders, strategic cooperation, industrial investment and other multiple ways. Under the dual blessing of market stimulus and capital injection, battery enterprises accelerate to the road of fund-raising and production expansion, and compete in all directions from the aspects of technology, products, market, cost, efficiency and so on. Multiple application scenarios, 50-100Ah cell shortage. According to the shape of the product, the energy storage battery is mainly classified into square, cylindrical and soft package batteries, and according to capacity, there are mainly 50Ah, 100Ah, 150Ah, 200Ah and 280Ah models, in which 50Ah and 100Ah are mainly used for household storage, while 150Ah, 200Ah and 280Ah are mainly used for large storage. 50-100Ah battery can be used in household energy storage, communication energy storage, industrial and commercial energy storage, electric energy storage, specific application scenarios include communication base stations, data centers, school and hospital public facilities, mobile charger, household optical storage, rail transit, low-speed electric vehicles, portable emergency power supply and so on. Household energy storage (including portable energy storage) is mainly used for peak-valley price difference arbitrage, power spontaneous self-use, etc., surpassing communication power reserve for the first time in 2022 to become the second largest energy storage shipping field, the mainstream battery product capacity is 50Ah, 100Ah. Household energy storage broke out overseas in 2022, and the industry ushered in a golden period of development. According to GGII research, the value of China's household energy storage industry chain increased to 40 billion yuan in 2022. Shipments of household energy storage batteries in China in 2022 were 25GWh, an increase of 354.5 percent over the same period last year, and portable energy storage shipments were 4GWh, an increase of 207.7 percent over the same period last year. Compared with power and large storage, the requirements of battery technology for household energy storage are relatively relaxed. The requirements for cell performance in household scenarios are relatively relaxed, with emphasis on safety and cost reduction. Due to the influence of multiple factors such as production line, system group efficiency and cost reduction space, the supply of household energy storage battery in 2022 is seriously insufficient, and its shortage is even higher than that of electric energy storage 280Ah battery. The scale of the household energy storage system is at the 10kWh level, mainly with small cells below 100Ah. The household energy storage core scheme mainly includes square, large cylinder and soft package, in which the single capacity of large cylinder is in 10Ah-50Ah, square 50Ah-300Ah, soft package 30Ah-80Ah, and the packaging route has not yet been finalized.2022 main capacity models of domestic household energy storage lithium batteries. Shape. System. Capacity. Cylindrical battery. LFP. 10~50Ah. Square battery. LFP. 50Ah . 100Ah. Soft package battery. LFP. 30-100Ah. Data source: public information, high-tech industry, research and finishing, March 2022. Communication energy storage mainly refers to the standby power supply of communication base stations such as 4G/5G, which is used to prevent power outage and defect accidents from causing network paralysis and interruption risk to the communication system. The main product models of single battery are 50Ah and 100Ah square and soft-clad iron lithium battery. According to GGII research, shipments of communication energy storage batteries reached 9GWh in 2022, down 25% from the same period last year. Main capacity models of domestic communication energy storage lithium battery. Shape. Craftsmanship. System. Capacity. Square battery. Winding. LFP. 50Ah . 100Ah. Soft package battery. Laminated sheet. LFP. 50Ah . 100Ah. Data source: public information, high engineering industry, research and finishing, October 2022. Electric energy storage (including industrial and commercial energy storage) is the largest field of energy storage and shipment, and the mainstream battery capacity is 100/200/280Ah. At present, large cells above 200Ah have become the mainstream choice of domestic centralized and industrial and commercial user side energy storage systems. Almost all domestic electric energy storage battery enterprises adopt square lithium iron phosphate line, among which sea-based new energy mainly uses 120/280Ah model and Kunyu power supply mainly uses 100/280/300Ah model. Production capacity of small capacity battery & technology competition. Under the background of insufficient production capacity of small capacity energy storage battery below 100Ah, the industrial chain is breaking the situation from two directions. The first is to explore the use of large cell scheme (120-280Ah) to build household storage system architecture, such as honeycomb 184Ah blade battery home storage system application. However, from the point of view of the demand characteristics of end customers and the constraints of market management policies, small capacity cells such as 50Ah are still the mainstream choice for household storage cells in the short and medium term. The second is the industrial chain enterprises around small capacity cell capacity planning expansion, in order to meet the procurement needs of downstream customers. For example, the domestic storage head enterprise Pai Neng Technology 2022H1 raised 5 billion yuan to invest in part of the 10GWh lithium battery R & D and manufacturing base project. Household energy storage will set off a small-capacity battery investment in the domestic lithium battery industry in the next 2-3 years. According to GGII data, the global household storage scale is expected to exceed 15GWh in 2022, an increase of more than 134% over the same period last year. It is optimistically estimated that the global installed scale is expected to reach 100GWh in 2025. On the supply side, the number of enterprises pouring into the household storage track has also soared several times. BYD, Penghui Energy, Xineng an, Parergy Technology, Haichen Energy Storage, Zhongtian Technology, far East Battery and other enterprises with earlier card positions have mostly achieved a double increase in revenue and profits in the field of energy storage in 2022. Among them, the shipments of Penghui Energy, Xinneng an and Paineng Technology exceeded 2GWh in 2022, with a growth rate of 500,000% for Penghui Energy, and 100,300% for Xinneng an and PaiNeng Technology. The homogenization competition of household storage track is fierce, so it is very important to build the core competitiveness of products from the aspects of cell, module, system and so on. On the one hand, the high-voltage product platform is an important trend in the development of household storage products. Small-capacity batteries below 100Ah have obvious application advantages in high-voltage system architecture. Small-capacity batteries can obtain higher system voltage through series, with greater performance-to-price advantage, and small cell products come to market earlier, and the scheme is more mature. On the other hand, the cycle of household storage battery will reach more than 6000 times, and the rate will reach 1C charge and discharge. The next generation of household storage battery will be a longer cycle, higher rate product model. Battery manufacturers such as far East Battery, Yijiatong, Haichen Energy Storage, Yiwei Energy Storage, Ningde Times, BYD Energy Storage, Penghui Energy, Zhongtian Energy Storage, Kexin cohesion and other battery manufacturers have released special batteries for household side energy storage.Among them, Penghui Energy mainly has square, cylindrical and soft package batteries, square energy storage cells are mainly classified according to capacity there are 50Ah, 100Ah, 150Ah, 280Ah models, of which 50Ah and 100Ah are mainly used for household storage. At the same time, Penghui energy differentiation competition, the launch of 50Ah/100Ah square portable energy storage battery, has won Zhenghao technology portable energy storage box order. At the same time, the 40135 electrodeless ear large cylindrical battery developed by Penghui is suitable for two-wheelers, portable energy storage and household energy storage and other fields. It is reported that this product has been ordered by the bull. Ruipu Lanjun released the household energy storage cell of 72Ah and 100Ah. On the basis of 4000 cycles of the previous generation of 50Ah, it reached 72Ah after capacity upgrading and realized a leap of 6000 cycles. And Ruipu Lanjun's new 100Ah battery can achieve 20-year cycle. It is reported that the series is expected to be mass produced in 2023. Far East battery 50Ah LFP cell products, using high stable cathode + fast charge graphite + long life electrolyte, long cycle life ≥ 8000 times, excellent performance such as low temperature, double charge and double discharge, can meet the needs of various use scenarios. By October 2022, far East shares have won the bid / signed orders for household energy storage of more than 10 million yuan and more than 870 million yuan, and have been notified by European importers of household energy storage systems and other products, and it is expected to supply 15000-20, 000 sets in 2023. Zhongtian Energy Storage launched "LFP Love Family Source" 50Ah/100Ah household energy storage series of square iron lithium batteries in November 2022, with a cycle life of more than 6000 times and a service life of more than 10 years. Zhongtian Energy Storage has completed the 2GWh household energy storage cell production line, and the battery products are officially opened for delivery around the world. The first phase of the project enters the household storage market with the world's first 2U-100Ah battery. Its 2U-100Ah lithium iron phosphate cell uses an ultra-thin design. Compared with traditional 3U and 4U batteries, 2U is no more than 10cm in thickness, which can save 33% of the installation space, achieve higher installation power with less space, and increase the volume energy density of the battery system. At present, Kexin Jili has 1GWh's 100Ah, 150Ah cell production capacity. Tianchen New Energy, a subsidiary of Black Sesame, plans to build square lithium iron phosphate battery production bases in Nanjing, Jiangsu Province and Nanchang City, Jiangxi Province at the same time, which will form the annual production capacity of 15.2GWh300Ah battery and 3.9GWh100Ah battery. Tianchen New Energy plans to focus on the production of 50AH, 100AH, 300AH and other energy storage lithium battery products, covering distributed household energy storage, generation-side energy storage and grid-side energy storage applications. Household energy storage end, mainly 100Ah, 50Ah square aluminum shell battery. However, 40 and 46 series large cylindrical batteries will also become one of the important choices for household energy storage battery races. In addition, sodium batteries and lithium-sulfur batteries are seeking to store energy and accelerate the process of industrialization. Enterprises represented by Penghui Energy, Haichen Energy Storage and Chuneng New Energy are actively exploring the feasibility of the application of large cylindrical batteries, and are expected to ship in bulk in 2023. Haichen Energy Storage launched a large cylindrical household energy storage battery in August 2022, the highest energy density is greater than 150Wh/kg, the cycle life is more than 5000 times, the product specification covers 4680-46300, the capacity can be customized in 10Ah~50Ah, and global delivery will begin in the first quarter of 2023. In May 2022, the M1 intelligent factory of the first phase of Haichen energy storage lithium battery intelligent manufacturing project, with an annual capacity of 15GW, is used to produce diversified energy storage cells such as 25Ah, 50Ah, 280Ah, etc. In June 2022, Haichen energy storage 50Ah energy storage battery production line was successfully put into production. Yiwei LiNeng also launched 18650 and 21700 cylindrical cells, and also released a "π" battery system based on large cylindrical cells. In terms of product structure, Yiwei Lithium can continue to force in the direction of large cylinders in recent years. Yiwei Lithium Energy 20GWh large cylindrical battery factory in Jingmen, Hubei Province is about to be completed, and the first generation 46 series large cylindrical lithium battery will be mass produced. In the aspect of 60 series large cylindrical lithium iron phosphate, time has jointly developed 50Ah and 100Ah series batteries, which have the advantages of high capacity, low internal resistance, low temperature rise, high rate, long life and high safety on the basis of high specific energy and high consistency. Generally speaking, cylindrical, square and soft package product packaging systems have their own advantages and characteristics in the field of household energy storage, and they will form a pattern of mutual complement and mutual support in the short and medium term, rather than a dominant situation.

In 2022, the demand of the terminal market represented by household energy storage broke out, which led to a big increase in the demand for small and medium capacity cells of 50-100Ah. With the high demand for household storage downstream, the supply of 50-100Ah energy storage battery capacity is insufficient, many storage all-in-one enterprises can not fully purchase small capacity batteries even by cash delivery, and the bargaining power of the industry chain is transferred from the downstream to the upstream as a whole. Energy storage system integration enterprises reduce the risk of battery supply by locking the production line in advance, signing long orders, strategic cooperation, industrial investment and other multiple ways. Under the dual blessing of market stimulus and capital injection, battery enterprises accelerate to the road of fund-raising and production expansion, and compete in all directions from the aspects of technology, products, market, cost, efficiency and so on. Multiple application scenarios, 50-100Ah cell shortage. According to the shape of the product, the energy storage battery is mainly classified into square, cylindrical and soft package batteries, and according to capacity, there are mainly 50Ah, 100Ah, 150Ah, 200Ah and 280Ah models, in which 50Ah and 100Ah are mainly used for household storage, while 150Ah, 200Ah and 280Ah are mainly used for large storage. 50-100Ah battery can be used in household energy storage, communication energy storage, industrial and commercial energy storage, electric energy storage, specific application scenarios include communication base stations, data centers, school and hospital public facilities, mobile charger, household optical storage, rail transit, low-speed electric vehicles, portable emergency power supply and so on. Household energy storage (including portable energy storage) is mainly used for peak-valley price difference arbitrage, power spontaneous self-use, etc., surpassing communication power reserve for the first time in 2022 to become the second largest energy storage shipping field, the mainstream battery product capacity is 50Ah, 100Ah. Household energy storage broke out overseas in 2022, and the industry ushered in a golden period of development. According to GGII research, the value of China's household energy storage industry chain increased to 40 billion yuan in 2022. Shipments of household energy storage batteries in China in 2022 were 25GWh, an increase of 354.5 percent over the same period last year, and portable energy storage shipments were 4GWh, an increase of 207.7 percent over the same period last year. Compared with power and large storage, the requirements of battery technology for household energy storage are relatively relaxed. The requirements for cell performance in household scenarios are relatively relaxed, with emphasis on safety and cost reduction. Due to the influence of multiple factors such as production line, system group efficiency and cost reduction space, the supply of household energy storage battery in 2022 is seriously insufficient, and its shortage is even higher than that of electric energy storage 280Ah battery. The scale of the household energy storage system is at the 10kWh level, mainly with small cells below 100Ah. The household energy storage core scheme mainly includes square, large cylinder and soft package, in which the single capacity of large cylinder is in 10Ah-50Ah, square 50Ah-300Ah, soft package 30Ah-80Ah, and the packaging route has not yet been finalized.2022 main capacity models of domestic household energy storage lithium batteries. Shape. System. Capacity. Cylindrical battery. LFP. 10~50Ah. Square battery. LFP. 50Ah . 100Ah. Soft package battery. LFP. 30-100Ah. Data source: public information, high-tech industry, research and finishing, March 2022. Communication energy storage mainly refers to the standby power supply of communication base stations such as 4G/5G, which is used to prevent power outage and defect accidents from causing network paralysis and interruption risk to the communication system. The main product models of single battery are 50Ah and 100Ah square and soft-clad iron lithium battery. According to GGII research, shipments of communication energy storage batteries reached 9GWh in 2022, down 25% from the same period last year. Main capacity models of domestic communication energy storage lithium battery. Shape. Craftsmanship. System. Capacity. Square battery. Winding. LFP. 50Ah . 100Ah. Soft package battery. Laminated sheet. LFP. 50Ah . 100Ah. Data source: public information, high engineering industry, research and finishing, October 2022. Electric energy storage (including industrial and commercial energy storage) is the largest field of energy storage and shipment, and the mainstream battery capacity is 100/200/280Ah. At present, large cells above 200Ah have become the mainstream choice of domestic centralized and industrial and commercial user side energy storage systems. Almost all domestic electric energy storage battery enterprises adopt square lithium iron phosphate line, among which sea-based new energy mainly uses 120/280Ah model and Kunyu power supply mainly uses 100/280/300Ah model. Production capacity of small capacity battery & technology competition. Under the background of insufficient production capacity of small capacity energy storage battery below 100Ah, the industrial chain is breaking the situation from two directions. The first is to explore the use of large cell scheme (120-280Ah) to build household storage system architecture, such as honeycomb 184Ah blade battery home storage system application. However, from the point of view of the demand characteristics of end customers and the constraints of market management policies, small capacity cells such as 50Ah are still the mainstream choice for household storage cells in the short and medium term. The second is the industrial chain enterprises around small capacity cell capacity planning expansion, in order to meet the procurement needs of downstream customers. For example, the domestic storage head enterprise Pai Neng Technology 2022H1 raised 5 billion yuan to invest in part of the 10GWh lithium battery R & D and manufacturing base project. Household energy storage will set off a small-capacity battery investment in the domestic lithium battery industry in the next 2-3 years. According to GGII data, the global household storage scale is expected to exceed 15GWh in 2022, an increase of more than 134% over the same period last year. It is optimistically estimated that the global installed scale is expected to reach 100GWh in 2025. On the supply side, the number of enterprises pouring into the household storage track has also soared several times. BYD, Penghui Energy, Xineng an, Parergy Technology, Haichen Energy Storage, Zhongtian Technology, far East Battery and other enterprises with earlier card positions have mostly achieved a double increase in revenue and profits in the field of energy storage in 2022. Among them, the shipments of Penghui Energy, Xinneng an and Paineng Technology exceeded 2GWh in 2022, with a growth rate of 500,000% for Penghui Energy, and 100,300% for Xinneng an and PaiNeng Technology. The homogenization competition of household storage track is fierce, so it is very important to build the core competitiveness of products from the aspects of cell, module, system and so on. On the one hand, the high-voltage product platform is an important trend in the development of household storage products. Small-capacity batteries below 100Ah have obvious application advantages in high-voltage system architecture. Small-capacity batteries can obtain higher system voltage through series, with greater performance-to-price advantage, and small cell products come to market earlier, and the scheme is more mature. On the other hand, the cycle of household storage battery will reach more than 6000 times, and the rate will reach 1C charge and discharge. The next generation of household storage battery will be a longer cycle, higher rate product model. Battery manufacturers such as far East Battery, Yijiatong, Haichen Energy Storage, Yiwei Energy Storage, Ningde Times, BYD Energy Storage, Penghui Energy, Zhongtian Energy Storage, Kexin cohesion and other battery manufacturers have released special batteries for household side energy storage.Among them, Penghui Energy mainly has square, cylindrical and soft package batteries, square energy storage cells are mainly classified according to capacity there are 50Ah, 100Ah, 150Ah, 280Ah models, of which 50Ah and 100Ah are mainly used for household storage. At the same time, Penghui energy differentiation competition, the launch of 50Ah/100Ah square portable energy storage battery, has won Zhenghao technology portable energy storage box order. At the same time, the 40135 electrodeless ear large cylindrical battery developed by Penghui is suitable for two-wheelers, portable energy storage and household energy storage and other fields. It is reported that this product has been ordered by the bull. Ruipu Lanjun released the household energy storage cell of 72Ah and 100Ah. On the basis of 4000 cycles of the previous generation of 50Ah, it reached 72Ah after capacity upgrading and realized a leap of 6000 cycles. And Ruipu Lanjun's new 100Ah battery can achieve 20-year cycle. It is reported that the series is expected to be mass produced in 2023. Far East battery 50Ah LFP cell products, using high stable cathode + fast charge graphite + long life electrolyte, long cycle life ≥ 8000 times, excellent performance such as low temperature, double charge and double discharge, can meet the needs of various use scenarios. By October 2022, far East shares have won the bid / signed orders for household energy storage of more than 10 million yuan and more than 870 million yuan, and have been notified by European importers of household energy storage systems and other products, and it is expected to supply 15000-20, 000 sets in 2023. Zhongtian Energy Storage launched "LFP Love Family Source" 50Ah/100Ah household energy storage series of square iron lithium batteries in November 2022, with a cycle life of more than 6000 times and a service life of more than 10 years. Zhongtian Energy Storage has completed the 2GWh household energy storage cell production line, and the battery products are officially opened for delivery around the world. The first phase of the project enters the household storage market with the world's first 2U-100Ah battery. Its 2U-100Ah lithium iron phosphate cell uses an ultra-thin design. Compared with traditional 3U and 4U batteries, 2U is no more than 10cm in thickness, which can save 33% of the installation space, achieve higher installation power with less space, and increase the volume energy density of the battery system. At present, Kexin Jili has 1GWh's 100Ah, 150Ah cell production capacity. Tianchen New Energy, a subsidiary of Black Sesame, plans to build square lithium iron phosphate battery production bases in Nanjing, Jiangsu Province and Nanchang City, Jiangxi Province at the same time, which will form the annual production capacity of 15.2GWh300Ah battery and 3.9GWh100Ah battery. Tianchen New Energy plans to focus on the production of 50AH, 100AH, 300AH and other energy storage lithium battery products, covering distributed household energy storage, generation-side energy storage and grid-side energy storage applications. Household energy storage end, mainly 100Ah, 50Ah square aluminum shell battery. However, 40 and 46 series large cylindrical batteries will also become one of the important choices for household energy storage battery races. In addition, sodium batteries and lithium-sulfur batteries are seeking to store energy and accelerate the process of industrialization. Enterprises represented by Penghui Energy, Haichen Energy Storage and Chuneng New Energy are actively exploring the feasibility of the application of large cylindrical batteries, and are expected to ship in bulk in 2023. Haichen Energy Storage launched a large cylindrical household energy storage battery in August 2022, the highest energy density is greater than 150Wh/kg, the cycle life is more than 5000 times, the product specification covers 4680-46300, the capacity can be customized in 10Ah~50Ah, and global delivery will begin in the first quarter of 2023. In May 2022, the M1 intelligent factory of the first phase of Haichen energy storage lithium battery intelligent manufacturing project, with an annual capacity of 15GW, is used to produce diversified energy storage cells such as 25Ah, 50Ah, 280Ah, etc. In June 2022, Haichen energy storage 50Ah energy storage battery production line was successfully put into production. Yiwei LiNeng also launched 18650 and 21700 cylindrical cells, and also released a "π" battery system based on large cylindrical cells. In terms of product structure, Yiwei Lithium can continue to force in the direction of large cylinders in recent years. Yiwei Lithium Energy 20GWh large cylindrical battery factory in Jingmen, Hubei Province is about to be completed, and the first generation 46 series large cylindrical lithium battery will be mass produced. In the aspect of 60 series large cylindrical lithium iron phosphate, time has jointly developed 50Ah and 100Ah series batteries, which have the advantages of high capacity, low internal resistance, low temperature rise, high rate, long life and high safety on the basis of high specific energy and high consistency. Generally speaking, cylindrical, square and soft package product packaging systems have their own advantages and characteristics in the field of household energy storage, and they will form a pattern of mutual complement and mutual support in the short and medium term, rather than a dominant situation.

On January 30, CIC announced that it had completed its investment in Ganfeng Lithium, a subsidiary of Ganfeng Lithium Industry, to support it to increase its investment in solid-state battery research and development. It is reported that Ganfeng lithium solid-state battery production base has started the capacity construction of 4GWh, and plans to build the largest solid-state battery production base in Chongqing. Compared with traditional lithium battery, solid-state battery uses solid electrolyte instead of electrolyte and diaphragm of traditional lithium battery, which has obvious advantages in energy density, safety, wide working temperature range and so on. As the key technology to compete for the future discourse power of electric vehicles, major automobile companies and related industrial chains around the world have invested heavily in the research and development of solid-state batteries in the past few years, and have made phased progress. Among the top 10 power battery companies in China, Guoxuan Hi-Tech 360 Wh/kg ternary semi-solid battery is approaching mass production, and 400 Wh/kg semi-solid battery has prototype samples in the laboratory. Sinovel has completed the development of 400Wh/kg solid-liquid hybrid battery technology, and its life and safety have passed the national standard test. Funeng launched a brand new semi-solid flexible battery last year, which has a 12% higher volume utilization than the 4680. Honeycomb Energy all solid State Battery Lab has developed the first batch of 20Ah sulfur series all solid state prototype cells with an energy density of 350-400Wh/kg, which has successfully passed the experiments of acupuncture and 200 °C hot box. Among the car companies, Dongfeng Motor fired the "first shot" of solid-state battery loading. As one of the first car companies to enter the field of solid-state battery independent development, Dongfeng has set up a solid-state battery project team since 2018. In January 2022, 50 Dongfeng E70s equipped with first-generation high specific energy solid-state batteries opened a demonstration operation. In December 2022, Zuguang, a C-class passenger car under Dongfeng Group's Lantu New Energy brand, opened its pre-sale, equipped with Lantu's self-developed "mica" battery system, of which the 82-kilowatt-hour power battery is also the industry's first mass-produced semi-solid battery. In addition, Ulai plans to install semi-solid batteries developed by Weilan New Energy in batches on ET7 models by the end of 2022, but the progress is not as expected. Mass production of the battery with an energy density of 360 Wh/kg has been postponed to the first half of this year. Qingtao Energy, a pioneer of solid-state batteries like Weilan New Energy, built the 10GWh solid-state battery production line in 2022. The liquid content of the first-generation semi-solid-state battery is 5% Lue 15%, and the maximum energy density is 420 Whqqkg. The liquid content of the second-generation product is reduced to less than 5%. It is in the pilot stage and is expected to be mass produced in 2024. Internationally, the governments of Europe, the United States, Japan and South Korea also attach great importance to the research and industrial layout of solid-state batteries. Japan, in particular, fully learns from our country's attitude of "concentrating our efforts on doing great things", betting huge investments and state subsidies on the solid-state battery route, and organizing industry-university-research alliances. The Ministry of economy, Trade and Industry of Japan and the Japan New Energy Industry Technology Development Institute have organized 23 head automobile, battery and materials enterprises, as well as 15 academic institutions to participate in solid-state battery technology research and development. Among them, Toyota said it will launch all-solid-state battery hybrid vehicles in 2025 and all-solid-state all-electric vehicles by 2030. Honda announced last spring that it would invest 43 billion yen in an all-solid-state battery demonstration line, which is scheduled to start production in 2024. Nissan unveiled laminated soft-packaged all-solid-state battery (ASSB) cells, which it plans to mass-produce by 2028, reducing battery costs to $75 per kilowatt-hour. Although South Korea also put forward to attach importance to the development of solid-state batteries in the "K Battery Development Strategy" released in 2021, its actual battery development speed is lower than that of Japan. However, South Korean enterprises have continued their advantages in the research and development of positive and negative materials, and are "one step ahead" in the construction of solid-state battery materials supply chain. In May 2022, South Korea's Posco Group and Huineng Technology reached a cooperation, the two sides will jointly develop a new generation of battery cathode materials. Prior to this, Posco also established Posco JK Solid Solution to prepare for the study of high-capacity anode materials and silicon anode materials for solid-state batteries. Different from East Asian enterprises which are mainly based on sulphide routes, the technological path of the United States is mainly polymer electrolytes and oxide electrolytes, and most of the negative electrodes are lithium metals. And solid-state battery research and development in the United States is led by start-up technology companies, such as Quantum Scape, Solid Power, Polyplus, 24m, Cymbet, SES and so on. These start-ups get sustained financial support through research and development in partnership with large car companies. Last month, BMW announced that it would launch the next phase of joint research and development of all-solid-state batteries with Solid Power. Solid Power will license battery design and manufacturing processes to BMW to help BMW test the construction of its plant near Munich. According to the plan, the first BMW prototype with all-solid-state battery is scheduled to be launched by 2025 and mass production of all-solid-state battery by 2030. QuantumScape, another startup, received a cumulative $300m investment from Volkswagen and delivered the first A-sample solid-state batteries to Volkswagen for testing in 2022. To sum up, the following two observations can be extracted: 1. China has taken the lead in the industrial application of solid-liquid mixed semi-solid battery, but it does not have an obvious advantage in the research and development of all-solid-state battery in a strict sense, and the patent application is close to that of Japan and the United States. two.. The all-solid-state battery is still in the laboratory stage, and the mainstream technology route has not been determined. Entrepreneurial "new forces" emerging from scientific research institutes have sprung up in both China and the United States, and have frequently received investment from car companies, including traditional car companies with ambitious and deep financial resources. To sum up, if solid-state batteries are indeed the "ultimate technology" of power batteries, then both the international competition pattern and the market ranking in the industry will face great uncertainty. Whether it is Japan and the United States, which missed the opportunity in the previous stage, or the new power of batteries, which is still young, or traditional car companies that are temporarily at a disadvantage, it is possible to use solid-state batteries to overtake the existing winners. Of course, the mass production of solid-state batteries is still a long way off.Whether it is Japan and the United States, which missed the opportunity in the previous stage, or the new power of batteries, which is still young, or traditional car companies that are temporarily at a disadvantage, it is possible to use solid-state batteries to overtake the existing winners. Of course, the mass production of solid-state batteries is still a long way off. But when the hurricane comes, from positive and negative materials, electrolytes, pre-lithiated materials, fluid collector to the core process of the front, middle and back, the whole industry chain of intelligent manufacturing management will face a revolution. Keep a crisis mentality at all times in order to reduce the possibility of being eliminated.

Lithium batteries are better. Lithium batteries are more than 3 times higher than lead-acid batteries in terms of volume specific energy or weight specific energy. Lithium batteries are smaller and lighter. Long cycle life. Running far is not far, the key depends on the battery capacity. It is meaningless to say who is far. For example, they are all 48V20AH. Lithium battery and lead acid are basically the same, because the capacity is the same, but lithium battery will be lighter, so it can be slightly farther than lead acid. But if the lithium battery is 48V10AH and the lead-acid is 48V20AH, then the lead-acid is definitely far away, needless to say. To put it simply, whoever has the largest capacity will run farther. The advantage of lithium battery over lead-acid is that it is lighter and can discharge at a large current, and the rest are the same.Can you search for the safety of lithium batteries with large capacity in series? cost feasibility? Why do mobile phone batteries explode? Although lead-acid batteries are bulky, they are much more stable than lithium batteries! The cost is basically acceptable! Stability, safety and cost are higher than lithium batteries! As long as it is a battery, whether it is a lithium battery or a lead-acid battery, it is a heavy polluting commodity! 1. At present, the number of lead-acid batteries for electric vehicles on the market is still higher than that of lithium batteries. The reason may be that the cost of lithium batteries is still relatively high. Therefore, in the design of the existing "lithium electric car" products, the capacity configuration of lithium batteries is often reduced to correspondingly reduce the implementation cost of the whole vehicle, which makes the models of the existing "lithium electric car" products too simple. 2.Lead-acid batteries and lithium batteries cannot simply be judged as good or bad. Both have their own advantages and disadvantages and are suitable for different needs of people. At present, most of the lithium battery products on the market are "electric bicycles" and the range is not very long. However, such as four-wheeled electric vehicles and four-wheeled electric scooters for the elderly, they are more suitable for "lead-acid batteries". . Second, lithium ions mainly rely on lithium ions to move between the positive and negative electrodes to work. During the charging and discharging process, Li+ is intercalated and deintercalated back and forth between the two electrodes: when the battery is charged, Li+ is deintercalated from the positive electrode, intercalated into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; during discharge, the opposite is true. Generally, batteries containing lithium elements are used as electrodes. At this stage, the most negative electrodes are graphite. Compared with lead-acid batteries, lithium batteries have the advantages of light weight, large specific capacity, and long cycle life. "Lightweight and simplified" design. 3. The electrodes of lead-acid batteries are mainly made of lead and its oxides, and the electrolyte is sulfuric acid solution. In the charged state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in the discharged state, the main component of the positive and negative electrodes is lead sulfate. 4.Fourth, the two batteries are different except that they are energy storage devices. Lead-acid batteries are safer and cheaper, but have a lower energy density than lithium batteries, so lead-acid batteries are larger. At this stage, before the research on battery (energy storage) technology has achieved breakthrough progress, that is, before the "low-cost, high-performance" battery has not been put into commercialized practical application, the existing lead-acid batteries and lithium batteries can be used. The transformation and upgrading of the excellent characteristics are combined as the main research topic for the present and the next period of time. It is believed that this will have a clearer direction for the development of electric scooters for the elderly and even the entire electric scooter industry in the future. Lead-acid batteries for general electric vehicles. Mainly because of its high cost performance. If you want to talk about battery life, other conditions are exactly the same, and the capacity of the battery is the same, it may be that the lithium battery is a little better. Why, because the lithium battery is lighter, the weight of the whole car is lighter, and of course it can run farther. But I still recommend lead acid. The main reason is: One, it's cheap. Generally speaking, a set of lead-acid is only a few hundred yuan, and a set of lithium batteries is more than one thousand and nearly two thousand yuan. Two, safety. Do you still remember the news that the woman in Nanjing was riding a lithium battery electric car the year before, because the weather was too hot, and the lithium battery behind the seat exploded, blowing her butt into a flower? Third, lead acid is enough. The current lead-acid generally has a battery life of 50 to 60 kilometers, which is enough for home use. Lithium batteries are really unnecessary. Under normal circumstances, lead-acid battery packs weigh 16-30 kg and are relatively large in size; while lithium batteries generally weigh 2.5-3.0 kg and are relatively small in size, so they are light to ride and easy to carry. From the quality point of view, it is difficult to define the quality of the two, but consumers can buy high-quality batteries produced by regular manufacturers according to their actual needs. The cost of main materials such as positive electrode materials, negative electrode materials, current collectors, separators, and electrolytes of lithium batteries is much higher than that of lead-acid batteries. The cost of assembly auxiliary materials and external circuit systems of lead-acid batteries is extremely low. Due to the manufacturing process, the labor cost of lithium batteries is relatively large. In the manufacturing cost, the labor cost of lithium battery accounts for more than 40%, while the labor cost of lead-acid battery is generally 10% to 20%. The machinery and equipment used in the production of lithium batteries are expensive and of high value, and the depreciation and loss of machinery and equipment are relatively large. Most of the processes in the production of lithium batteries are irreversible, while lead-acid batteries are reversibly repaired and reused. The recycling value of lead-acid batteries after use is more than 40%, while the recycling value of lithium batteries is almost zero. Lithium batteries are more than 3 times higher than lead-acid batteries in terms of volume specific energy or weight specific energy. Lithium batteries are smaller and lighter. Long cycle life. The cycle life of lithium batteries used in electric vehicles is generally more than 800 times, and lithium batteries using lithium iron phosphate cathode materials can reach about 2000 times, which is 1.5 to 5 times longer than lead-acid batteries. This greatly reduces the use cost of the lithium battery, prolongs the service life, and improves the convenience of use. It has a wide range of charging efficiency. This is the unique advantage of lithium batteries. When needed, the charging time can be controlled within 20min-1h, and the charging efficiency can reach over 84%. On the basis of further technological innovation, this feature will be better played. The current energy density of lithium batteries is generally 200~260wh/g, and lead-acid is generally 50~70wh/g, so the weight energy density of lithium batteries is 3~5 times that of lead-acid, which means that under the same capacity, lead The acid battery is 3~5 times that of the lithium battery, so the lithium battery has an absolute advantage in the lightweight of the energy storage device