18650 lithium ion battery pack is the most popular AGM replacement battery for solar street light, like 18650 9.6V 2500mAh 18650 battery pack, 11.1V 2600mAh 18650 battery pack.
What are the advantages of using lithium-ion batteries for solar street lights compared to lead-acid batteries?
Lithium-ion batteries are small in size, light in weight and easy to transport.
Compared with lithium-ion batteries and lead-acid batteries used in solar street lights of the same power, the weight and volume of lithium-ion batteries are about one-third that of lead-acid batteries. In this way, transportation is easier and transportation costs will naturally decrease.
Lithium-ion batteries have high energy density and longer service life.
The greater the energy density of a battery, the more power it can store per unit weight or volume. There are many factors that affect the service life of lithium-ion batteries, and energy density is one of the very important internal factors.
When installing traditional solar street lights, a battery pit must be reserved, and a buried box is used to place the battery in and seal it. Solar street lights with lithium battery systems are more convenient to install. They can be suspended or built-in, and the lithium-ion battery can be installed directly on the bracket.
Lithium battery solar street lights are easy to maintain.
When repairing lithium-ion solar street lights, just remove the battery from the light pole or battery panel. When repairing traditional solar street lights, you have to dig out the batteries buried underground, which is more troublesome to operate.
Contact Himax now to unlock your exclusive battery customization options, Himax offers a wide range of options and flexible customization services to meet the needs of different users.
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A team headed by business chemist Prof. Stephan von Delft from the University of Münster has concluded that China will be the first country worldwide to become independent of the need to mine the raw materials that are essential for custom lithium battery pack. They have also established that this development could be accelerated in all the regions they looked at—including Europe and the U.S.
With the increase in the production of batteries for electric vehicles, demand is also rising for the necessary raw materials. In view of risks to the supply chain, environmental problems and precarious working conditions which are all associated with the mining and transportation of these materials, the recycling of battery materials has become an important issue in research, politics and industry.
Prof. Stephan von Delft from the University of Münster heads a team of researchers from the fields of science and the automotive and battery industries who have therefore been investigating when the demand for the three most important raw materials for batteries—lithium, cobalt and nickel—can be met entirely through recycling in Europe, the U.S. and China; in other words, when a completely circular economy will be possible in these regions. The team’s conclusion is that China will achieve this first, followed by Europe and the U.S.
In detail, the results published in Resources, Conservation and Recycling show that China is expected to be able to employ recycling to meet its own demand for primary lithium for electric vehicles, obtained through mining, from 2059 onwards; in Europe and the U.S., this will not happen until after 2070. As far as cobalt is concerned, recycling is expected to ensure that China will be able to meet its needs after 2045, at the earliest; in Europe this will happen in 2052 and in the U.S. not until 2056. As regards nickel: China can probably meet demand through recycling in 2046 at the earliest, with Europe following in 2058 and the U.S. from 2064 onwards.
Although earlier research looked at the supply of recycled raw materials for batteries and the demand for them, it had not so far been clear when complete circularity would be achieved, with supply and demand being equal (“break-even point”). The team of researchers also looked at the question of whether there are any possibilities of achieving equilibrium sooner than is predicted by current developments.
“Yes, there are,” says Stephan von Delft. “Our research shows that, in particular, a faster rate of electrification in the automotive industry, as is currently being discussed in the EU, will play a role in the process. The reason is that the faster electric vehicles spread throughout the automotive market, the sooner there will be sufficient quantities of batteries available for recycling.”
As Ph.D. student Jannis Wesselkämper adds, “The demand for raw materials could also be met much earlier by recycling as a result of a reduction in custom lithium battery pack size and by avoiding a so-called ‘second life’ for batteries—for example as stationary storage units for solar power.”
The researchers made use of a so-called dynamic material flow analysis to calculate both future demand and the recyclable raw materials then available. The data basis the team used consisted of data from current research work and market forecasts regarding developments in custom lithium battery pack production and sales and the associated demand for raw materials.
More information: Jannis Wesselkämper et al, A battery value chain independent of primary raw materials: Towards circularity in China, Europe and the US, Resources, Conservation and Recycling (2023). DOI: 10.1016/j.resconrec.2023.107218
Provided by University of Münster
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In today’s world, the demand for clean, efficient, and reliable energy sources is greater than ever. As the shift towards sustainable energy continues to gain momentum, new technologies are emerging that promise to revolutionize the way we store and distribute energy. One such technology is custom lithium battery pack.
Custom lithium battery pack, also known as CLBP, is at the forefront of a new generation of advanced lithium-ion battery technologies. CLBP’s unique design and materials make it one of the most promising energy storage solutions available today.
CLBP’s advanced lithium-ion technology provides unparalleled performance advantages over traditional battery solutions. These include a higher energy density, faster charging capabilities, and a longer lifespan. The ability to charge faster means that energy can be delivered more efficiently, while the longer lifespan reduces the frequency of battery replacements and associated waste.
CLBP’s customization capabilities are another key factor that sets it apart from other battery technologies. The ability to tailor battery packs to specific applications and devices means that CLBP can meet the unique requirements of a wide range of energy storage applications. This flexibility allows for a greater degree of innovation and creativity in the design and development of new energy storage solutions.
CLBP’s impact on the energy storage market goes beyond its performance advantages. The technology’s ability to support the integration of renewable energy sources, such as solar and wind power, is revolutionizing the way we think about sustainable energy solutions. By providing a reliable and efficient means of storing energy generated from renewable sources, CLBP plays a crucial role in decarbonizing our energy system and achieving carbon neutrality.
CLBP’s development has been supported by significant research and development investment, which has enabled the technology to achieve commercial viability. The company’s commitment to innovation and continuous improvement has led to the development of a product that is reliable, efficient, and cost-effective.
As the world moves towards a more sustainable and renewable energy future, CLBP’s game-changing technology is poised to shape the future of energy storage and beyond. With its advanced lithium-ion technology, customization capabilities, and support for renewable energy integration, CLBP has the potential to revolutionize the way we store and distribute energy for decades to come.
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In addition to custom lithium battery pack being popular, manganese-based cathode materials are ushering in the second wave of peaks. Manganese-based batteries were first promoted during the heyday of the Nissan Leaf. As a second-generation product of manganese-based materials, lithium iron manganese phosphate has entered the early stages of mass production and has attracted much attention from the industry.
Companies such as AVIC lithium battery, Guoxuan Hi-Tech, and REPT have all mentioned some progress in iron manganese super phosphate lithium batteries.For example, from 2023 to 2024, the energy density of REPT’s lithium iron manganese phosphate will reach 500Wh/L, supporting a battery life of 800 kilometers for pure electric vehicles; AVIC Lithium Battery will reduce lithium consumption by 15% through lithium iron manganese phosphate batteries. In addition to the above-mentioned companies, many power battery manufacturers such as CATL, BYD, and EVE Lithium Energy among the top ten power battery companies have also begun to carry out related research and development and layout of iron manganese phosphate lithium batteries.
Among them, the lithium iron manganese phosphate produced by many companies has passed battery pilot tests in the first half of this year and is sending samples to car companies for testing. CATL will mass-produce M3P batteries in the second half of the year. Another potential product, lithium-rich manganese-based batteries, is still in the development stage. At present, the lithium-rich manganese-based material has reached 400mAh/g in the laboratory stage, and is expected to reach 400mAh/g in mass production. The battery energy density can reach 400Wh/kg.
Lithium iron manganese phosphate has obvious advantages and disadvantages
The application of manganese in custom lithium battery pack cathode materials is currently mainly lithium manganate and lithium nickel cobalt manganate (ternary materials). With the advancement of material modification technology, manganese-based cathode materials lithium iron manganese phosphate and lithium-rich manganese-based technology have developed rapidly.
Lithium iron manganese phosphate has become a transition product between lithium iron phosphate and ternary batteries. It is characterized by higher energy density than lithium iron phosphate and lower cost than ternary lithium batteries.
Lithium iron manganese phosphate has the same olivine structure as lithium iron phosphate, and the structure is more stable during charge and discharge. Even if all lithium ions are embedded during charging, the structure will not collapse, making it safer. Specifically, you will find that the advantages and disadvantages of lithium iron manganese phosphate are very obvious.
First, the energy density is better. The voltage platform of lithium iron manganese phosphate is as high as 4.1V, which is higher than the 3.4V of lithium iron phosphate. The high voltage brings an increase in energy density. The theoretical energy density is 15%-20% higher than that of lithium iron phosphate, and can basically reach the level of ternary battery NCM523.
Second, the low temperature performance is better. Lithium iron manganese phosphate has better low-temperature performance than lithium iron phosphate, and the capacity retention rate at -20°C can reach about 75%. Third, it has the characteristics of lithium iron phosphate batteries and is safer than ternary batteries. Lithium iron manganese phosphate has an olivine structure and has better safety and cycle stability than ternary.
Fourth, manganese ore resources are abundant and the cost is low. The cost of lithium iron manganese phosphate is only about 5%-10% higher than that of lithium iron phosphate. Taking into account the improvement in the energy density of lithium iron-manganese phosphate, in terms of battery installed cost, the cost per watt-hour of lithium iron-manganese phosphate is slightly lower than that of custom lithium battery pack , and significantly lower than that of ternary batteries.
The disadvantage of lithium iron manganese phosphate battery is that its conductivity and lithium ion diffusion speed are low, which will make it difficult to fully utilize its capacity advantage and poor rate performance. However, in the opinion of Guoxuan Hi-Tech personnel, lithium iron manganese phosphate is basically an insulator. “Japan’s Sony Corporation has calculated that the band gap of general lithium iron phosphate materials is about 0.3eV, which is a semiconductor, but lithium iron manganese phosphate is 2eV, which is basically an insulator and does not conduct electricity.”
Improvement plan for lithium iron manganese phosphate materials
Compared with custom lithium battery pack , due to the addition of manganese, the dissolution of manganese will cause its cycle life to be reduced. In view of the above reasons, when manganese is used as a single active material, doping, carbon coating, nanotechnology modification and other methods are often used to improve the performance of lithium iron manganese phosphate materials.
This conductive network cannot be formed if it is not on the nanoscale. But once nanosized, it is not easy to combine the slurry and the coating is not easy to apply. It is difficult to use as a lithium iron manganese phosphate battery alone, and many problems need to be solved. Zhongchuang Aviation’s solution is to consider how to gradient design the manganese element. The inside and outside are not necessarily uniform, there may be a gradient design. It can be more on the outside and less on the inside, so that the entire conductive path will be smoother.
Secondly, it is doped with many other transition metal elements to give it a better balance of energy and conductivity. Then there is a problem on the interface, and coating the interface will solve the conductive problem of the interface on the one hand. On the other hand, it also effectively solves the problem of life decay caused by the phase change of the lithium manganese material itself.
REPT, one of China’s top ten lithium marine battery manufacturers, also mentioned lithium iron manganese phosphate. Their goal is to achieve an energy density of 500Wh/L for lithium iron manganese phosphate batteries and a driving range of 800 kilometers in 2023-2024. In addition to the above-mentioned companies, CATL’s M3P batteries are also iron manganese phosphate lithium batteries, which are called phosphate-based ternary batteries. CATL will invest in Lithitech in November 2021, holding 60% of the shares. Among them, Lithitech’s main business is lithium iron manganese phosphate materials, with a production capacity of 2,000 tons/year.
The direction given by researchers from China Electronics Technology Group for the application of lithium iron manganese phosphate is that it can be mixed with ternary materials to improve the safety of ternary material batteries; or mixed with lithium iron phosphate to increase the energy density of custom lithium battery pack.
The past and future of manganese-based batteries
The currently hotly debated lithium iron manganese phosphate is a second-generation manganese-based battery, a transitional product through material modification. The first generation of manganese-based batteries were lithium manganate batteries. Lithium manganate cathode material was invented 20 years ago and was used in the first generation of new energy vehicles in Japan and South Korea.
Lithium manganese oxide batteries in Japan and South Korea mainly use single crystal particle doping. Among them, the master was the Japanese battery company AESC at the time. Early model Nissan Leafs were known for their battery safety. But the shortcomings are also obvious. Due to low energy density, the driving range is only 200 kilometers. However, at present, AESC still takes ternary batteries as the mainstream development direction.
Lithium iron manganese phosphate is not a new direction either. As early as 2013, BYD considered lithium iron manganese phosphate as an upgrade route for lithium iron phosphate and began to apply for relevant patents. However, due to the subsidy policy tilting towards ternary materials with higher energy density, and BYD’s failure to solve the problems of low cycle life and excessive internal resistance of lithium iron manganese phosphate batteries, this route has not become mainstream. BYD once stopped phosphoric acid Iron, manganese and lithium exploration.
However, starting in 2020, BYD has begun to have relevant patent application records. Guoxuan Hi-Tech is also an early company that developed iron manganese phosphate lithium batteries. According to Xu Xingwu, Guoxuan Hi-Tech was also developing lithium iron manganese phosphate batteries in 2013, and obtained new product certificates for lithium iron manganese phosphate batteries in 2014 and 2017 respectively. As early as 2014, AVIC Aluminum began to try and explore on the road to high manganese.
In 2014, AVIC lithium battery has adopted lithium iron manganese phosphate and ternary batteries as composite material systems and has achieved mass production. At that time, it was a station wagon, and the shipments were actually quite large. Starting in 2021, raw material prices will skyrocket. Against this background, lithium iron manganese phosphate batteries have once again attracted the attention of enterprises, and reports on related layouts have also continued to increase.
The next highly anticipated cathode material is lithium-rich manganese-based material. Lithium-rich manganese-based materials have high specific capacity, low cost and good safety. Lithium-rich manganese-based cathode materials can be considered to be composed of two components, Li2MnO3 and LiMO2, which are uniformly compounded on the atomic scale to form lithium-rich manganese-based materials.
Lithium-rich manganese-based materials are mainly composed of cheaper manganese elements and contain less precious metals. Compared with commonly used lithium cobalt oxide and nickel cobalt manganese ternary cathode materials, they are not only lower in cost, but also safer. The advantages are outstanding, but there are also many disadvantages. Lithium-rich manganese-based materials have shortcomings such as initial irreversible capacity loss, poor rate performance, and voltage attenuation during cycling.
For manganese-rich lithium-based materials, there are great advantages and great difficulties. It can achieve 400mAh/g, but there is a problem of voltage attenuation. There is no better way to lose oxygen during the circulation process, and the challenge is still relatively large. Professionals believe that lithium-rich manganese-based material batteries can reach the level of 300mAh/g after mass production, and can achieve 400Wh/kg batteries when paired with silicon carbon.
At present, we see many companies making arrangements in the field of lithium-rich manganese-based materials. According to relevant company announcements, cathode material companies such as Rongbai Technology and Dangsheng Technology have planned the research and development of lithium-rich manganese-based materials in advance.
It has now entered the small trial stage and is actively cooperating with relevant customers to carry out product performance optimization and process amplification experiments on the company’s existing production lines.
In addition, Zhenhua New Materials, Zhongwei, Kungong Technology, Tianyuan Group, DFD and other companies have also carried out research and development projects on lithium-rich manganese-based materials (precursors) and are currently actively exploring the feasibility of their commercialization.
final thoughts
New manganese-based cathode materials are rapidly emerging, and their improved permeability is expected to increase the use of manganese in the custom lithium battery pack industry by more than 10 times between 2021 and 2035, and is expected to become one of the main cathode materials for power batteries.
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Traditional lead-acid battery will cause great pollution to the environment after being discarded, and lead vapor will appear. Lead is not easily excreted from the body and can also cause metabolic, reproductive and neurological diseases in the human body. Once the lead content in the human body exceeds the standard, it will cause mental decline, fetal malformations, easily induce malignant tumors in children, and even lead to death.
Compared with lead-acid battery, lithium-ion battery has huge advantages in environmental protection. The materials used in lithium-ion battery contain harmful heavy metals such as cadmium, lead, and mercury. No pollutants appear during the processing and use of lithium-ion battery, which protects human health. The problem of contaminating water sources and soil during the recycling process of waste battery is also easily solved.
AGM replacement battery does not contain any heavy metals or rare metals. It is non-toxic and pollution-free in both processing and use. It complies with European RoHS regulations and is a green battery.
In addition, the advantages of lithium-ion battery is large specific energy, long cycle life, low self-discharge rate, and no memory effect. Lithium-ion battery has high storage energy density, currently reaching 460-600Wh/kg, which is about 6-7 times that of lead-acid battery; the service life of lithium iron phosphate battery can reach 6 years or more than 5,000 cycles.
That’s why lithium-ion battery now is a better AGM replacement battery.
Lithium-ion has developed rapidly in the past decade and will continue to expand and occupy the vast majority of the battery industry’s market share in the future.
HIMAX has been engaged in li ion customized battery manufacturing for over 12 years. And we would like to share with our customer about the knowledge of AGM replacement battery and lead-acid battery.
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With the continuous advancement of technology, energy storage technology is also developing rapidly, among which 12V lead acid replacement battery is gradually gaining popularity as an environmentally friendly and efficient energy storage battery. This article will elaborate on its characteristics, technology, application scenarios, and market prospects.
12V lead acid replacement battery is a type of lead-acid battery designed to meet the specific energy storage requirements of various applications. Compared with traditional lead-acid batteries, lead acid replacement battery features higher energy density, longer service life, and more environmental friendliness.
The manufacturing process of 12V lead acid replacement battery mainly involves several steps
first, smelting lead and lead dioxide, then manufacturing glass fiber grids, injecting lead and lead dioxide mixture into the grids for solidification, charging, and finally packaging. The negative electrode material of this battery is lead, while the positive electrode material is lead dioxide, and the electrolyte is sulfuric acid.
Lead acid replacement battery has been widely used in various fields. In the power industry, it is used to store renewable energy such as solar energy and wind energy for use during power shortages. In the automotive industry, it serves as a starter battery for vehicles and a storage battery for onboard use. Additionally, in standby power sources, communication, and security fields, 12V Lead Acid Replacement Battery has also been widely applied. Its high energy storage density, fast charging speed, and long service life make it highly cost-effective and practical in energy storage applications.
In the market, lead Acid Replacement Battery has occupied a certain market share. Some well-known brands such as Panasonic, Samsung, and LG are producing and selling this type of battery. These brands have their own advantages in manufacturing processes, performance, and quality, so they are also highly favored by consumers. At the same time, with the continuous advancement of technology and expanding application scenarios, the market demand for this battery is also increasing.
Conclusion
Overall, lead acid replacement battery, as an environmentally friendly and efficient energy storage battery, has high application value and market prospects. Its high energy storage density, fast charging speed, and long service life can meet the energy storage requirements of various application scenarios. At the same time, with the continuous advancement of technology and expanding market, the production cost of this battery is also gradually decreasing, making it more widely used and popularized in the field of energy storage. We believe that in the near future, 12V lead acid replacement battery will become an important choice for environmental energy storage, bringing more convenience and benefits to our lives and production.
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As technology becomes increasingly advanced, the demand for reliable and long-lasting battery power has also escalated. AGM replacement battery provides a cost-effective and efficient solution for devices that are experiencing poor battery performance or have become outdated due to technology advancements.
What is an AGM battery?
AGM (Absorbent Glass Mat) battery is a type of lead-acid battery that utilizes a unique separator technology. The separator is a fiberglass mat that is placed between the positive and negative plates of the battery. This mat absorbs the electrolyte solution, which allows for a thinner separator and more efficient energy storage.
AGM batteries are known for their high-cycle life, robustness, and ability to maintain their performance in adverse conditions. They are commonly used in applications that require reliable backup power, such as uninterruptible power supplies (UPS) and medical devices.
Improved performance: AGM replacement battery typically offers improved performance over the original battery. They can provide higher capacities, longer runtimes, and faster charging capabilities.
Extended lifecycle: AGMs are designed to last longer than standard lead-acid batteries. They can withstand a higher number of charge/discharge cycles, resulting in fewer battery replacements.
Saving money: In some cases, replacing an AGM battery can be less expensive than purchasing a new device or upgrading to a higher-capacity battery.
Environmentally friendly: AGMs are recyclable and contain no harmful substances, making them an environmentally responsible choice.
Peace of mind: Knowing that your critical devices are backed up by a reliable power source can provide peace of mind during unexpected power outages or equipment failures.
How to choose an AGM replacement battery
When choosing an AGM replacement battery, it’s important to consider the following factors:
Application: Determine the intended use of the battery and choose a model that meets the specific requirements. For example, a UPS may require a higher capacity and faster charging capability than a medical device.
Voltage and capacity: Compare the voltage and capacity requirements of the device with the specifications of the replacement battery. Ensure that the new battery provides sufficient power for the device’s needs.
Physical dimensions: Check the physical dimensions and mounting requirements of the device to ensure that the new battery can be installed and fit into the designated space without problems. Sometimes customized batteries or adapters may be required due to differences in size or specifications.
Warranty: Consider the length and terms of the warranty offered by the manufacturer. A long warranty period can provide peace of mind in the event of battery failure.
Price: Factor in the cost of the battery, including any additional features or services offered by the manufacturer, when making your decision. Cost-effectiveness is an important factor, but don’t compromise on quality and performance.
Reliable Manufacturer：Choose a reputable manufacturer with a track record of quality products and customer satisfaction. Check online reviews and research different brands before making your selection.
Longevity: Choose a battery with a long expected lifespan to ensure that it will serve you for a considerable amount of time without requiring frequent replacements.
Environmentally friendly: If environmental concerns are important to you, choose a battery that is recyclable and made from sustainable materials. This will help reduce waste and protect the planet.
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The “EU Batteries and Waste Battery Regulations”(hereinafter referred to as the “New Battery Law”) officially came into effect on August 17. The new regulations will have a profound impact on all aspects of the entire life cycle of the battery industry chain including custom lithium battery pack design, production, and recycling in the EU.
Among them, the release of battery passport information has particularly attracted industry attention. According to the battery passport concept proof released by the Global Battery Alliance (GBA), product information has four important components: battery information (Battery), material information (Material), environmental social responsibility and corporate governance information (ESG), data source information (Data).
So, will the information required to be released by the battery passport bring intellectual property protection challenges to custom lithium battery pack design?
Extending to the impact on battery design, the application of battery passport will put forward new requirements for battery design; Will the battery cell design configuration in the European market tend to be diversified or more single; What changes can companies make on the R&D side to cope with this? Meet new challenges and seize new opportunities.
At the same time, the battery passport contains information about some manufacturing segments, which poses more challenges or opportunities for battery production; how equipment companies should help battery companies improve their carbon footprint is currently a hot topic in the industry.
Recently, Hu Ke, general manager of Elacode Europe, had an in-depth discussion and communication with Li Zhe, associate professor and doctoral supervisor of Tsinghua University, and Yang Rukun, chairman of Jiyang Intelligent, on the application of battery passports in the new battery law in the field of custom lithium battery pack design and battery manufacturing. This helps the industry gain a deeper understanding of the impact of battery passports on the industry and how companies can respond to future opportunities and challenges.
The impact of new battery law on battery design
Will the information required to be published in the battery passport bring intellectual property protection challenges to battery design?
According to several Pilot (verification) cases on battery passports given by GBA (Global Battery Alliance, International Battery Alliance), some information related to the design of battery packs and battery cells is indeed announced, such as the design of the entire battery pack. Energy grade, the quality of key metals used in them, etc.
However, judging from the current three Pilot (verification) cases, the published information is relatively information that needs to be disclosed in the process of supplying battery cells or custom lithium battery pack to vehicle companies. The GBA Battery Passport does not require manufacturers to publish confidential information, such as trace amounts of metal doping, unique processes used in battery design and manufacturing, etc. Therefore, the current scope of battery passport disclosure will not affect the intellectual property protection of battery companies.
The Pilot sample of Battery Passport contains some battery performance information, such as cycle life, but some companies choose not to publish it. What are the reasons? Can share the latest research results of forward R&D and simulation-driven design in battery life prediction and failure analysis?
The issue of battery cycle life is a topic of great concern. In the case of the Battery Passport Pilot, Tesla is one of the few companies to announce battery cycle life. However, the cycle life figures it publishes are relatively low, even more so compared with the battery life figures claimed by some domestic vehicle companies. Much lower than the figures for energy storage batteries.
In fact, judging from the actual life of power batteries and energy storage batteries, the distribution range of cycle life is quite wide. A typical private car is charged and discharged twice a week, and its service life is about 10 years. In this case, the power battery is not required to have a cycle life of more than 5,000 times.
In contrast, energy storage batteries are required to have a cycle life of close to 7,000 to 12,000 times within a 10- or even 20-year warranty period. This wide range of life is mainly affected by the construction of the battery, the materials used, and key processes.However, many companies face specific pressures in practical applications, especially in energy storage batteries.
The fiercely competitive energy storage market forces companies to seek breakthroughs in low-cost, long-life batteries. This has led to some high cycle life figures on the market, sometimes as high as 14,000 to 12,000 cycles. However, many companies have found that under laboratory conditions, There is a gap between observed longevity and user expectations.
As for why some companies choose not to publish performance information such as cycle life, firstly, there are currently no mandatory regulations. Secondly, it may depend on the promotion of battery passports among companies. To solve this problem, some solutions have emerged in the long-life battery design and manufacturing field.
Regarding the basic materials and formulas of batteries, there are already formulation solutions for long-life energy storage batteries. These solutions help increase the cycle life from two or three thousand times to the expected five or six thousand cycles of iron lithium. In addition, some new electrolytes, additives, lithium salts, and other solutions also provide more possibilities for custom lithium battery pack design and manufacturing. These solutions mainly involve using new additives, material selection, and process improvements.
In this process, modeling and simulation methods play an essential role in developing long-life batteries. Modern battery models can already simulate the internal aging mechanism of the battery so that the impact of materials, formulations, design, and manufacturing characteristics on life can be predicted from a mechanistic perspective.
In addition, reasonable modeling methods can reduce the need for long-life multiple-cycle experiments and accelerate the battery development process oriented to life indicators, thus significantly shortening the development cycle.
In short, the issue of battery cycle life involves the broad application of power and energy storage batteries, which differs from a single application requirement, making the cycle life distribution range wider. When enterprises face competition and market pressure, seeking long-life, low-cost battery solutions is critical. Modeling and simulation methods play an essential role in this process, accelerating the process of battery research and development.
What new requirements will the application of battery passport bring to battery design?
Battery passport requires disclosing battery materials, energy, life, and other information, which poses many challenges during the custom lithium battery pack design stage. To achieve goals such as vehicle driving range, it is necessary to increase the energy density of batteries under the constraints of quality and capacity, which is also the focus of enterprises. At the same time, the use of environmentally friendly materials and cost reduction are also design considerations, among which cobalt-free technology has become a representative innovation in the industry.
The European Battery Act has attracted widespread attention and requires the local recycling of battery materials, highlighting the importance of battery sustainability. This impacts battery material selection and manufacturing processes, requiring sustainability considerations to be considered throughout the entire life cycle. Batteries have a long life cycle, and sustainability needs to be viewed from design and manufacturing to multiple uses, disassembly, and recycling. For example, the welding and glue inside the battery are not friendly to disassembly, so design solutions for easy recycling will bring about design changes.
In addition to performance and cost, today’s businesses must consider sustainability an important metric. Launching the battery passport will increase the transparency of battery cell design and promote cooperation and experience sharing within the industry, thereby comprehensively considering energy efficiency, environmental impact, material sources, and life cycle management in the design and achieving a more sustainable battery design.
Will the battery cell design configurations in the European market tend to be diversified or more uniform?
There has long been a structural controversy in the battery field, especially in large-scale batteries. People often hear discussions about the Unified Cell (unified cell) or 46 system. The area of energy storage batteries is relatively harmonious, with most batteries adopting a square winding hard shell system, especially the 71173 standard.
However, the diversity of structures is even more significant when it comes to power batteries. The structures of power batteries include square rolls, soft bags, blades cylinders, etc., with different shapes. Although the square roll configuration is still the mainstream, the other three structures also have their advantages. Especially for large cylindrical structures, such as the 46 series, the specifications continue to expand from 80, 95, 120, etc., and the capacity of a single battery develops from 3Ah to more than 30Ah or even higher. This structure is famous in the European market, and some OEMs support related power battery companies to create large cylindrical configurations.
The reason why the sizeable cylindrical configuration is popular is mainly reflected in two aspects: first, it continues the high efficiency of the winding production method; Secondly, when using the twisted cylindrical structure, it can better control the silicon content, The influence of factors such as high volume expansion materials on internal stress.
On the market, various configurations go hand in hand. Although some European and American companies have invested in Chinese power battery companies in the early stages, such as Volkswagen and Mercedes-Benz, there has yet to be a clear winner. Some companies have chosen soft-pack configurations, while others are moving towards large cylinders. Some companies have even proposed the concept of Unified Cell, which has the same appearance but different internal structure. This approach can reduce production diversity, such as coil production, casings, mechanical parts, etc.
To sum up, the choice of battery structure is still changing dynamically, and there is no clear winner yet. Similar to the situation in the Chinese market, this “let the bullets fly for a while” problem also exists in the European market. European and American companies’ investment and development strategies in Chinese battery companies and structure selection show that the market has not yet formed a clear consensus.
What changes can companies make on the R&D side to cope with new challenges and seize new opportunities?
The future development of the power battery industry will mainly focus on the two themes of reducing costs and improving efficiency. This is not a simple relationship from zero to one, but a process from one to one hundred about how to do better and faster based on the existing foundation. China is at the forefront in this regard, and the battery industry has entered a stage of high-quality development with an absolute size, slowing relative growth, but still full of vitality.
This also means the battery industry will maintain solid growth for some time. At this stage, accelerated development and cost reduction are crucial to the fate of the enterprise.
Among them, intelligent technology will bring revolutionary changes in the battery design and manufacturing field. Traditional battery design methods usually involve diverse sample preparation and testing processes, which wastes battery materials, staffing, and time.
Is there a new battery design method and corresponding design tools that can significantly shorten the design cycle from the traditional one year or even two years to a few weeks or months? A similar situation exists in battery manufacturing. Various wastes in the manufacturing process, such as yield issues, energy consumption, emissions, etc., must be addressed. Even when exploring new configurations, such as tab welding for large cylindrical batteries, long pole blades, etc., these problems still need to be faced.
Therefore, intelligent new design and manufacturing technologies will be the key to solving these challenges. From a design perspective, innovative technology can significantly shorten the design cycle and reduce waste. On the manufacturing side, intelligent technology can optimize factory management, improve production efficiency, reduce energy consumption and emissions, and even move towards the goal of green and zero-carbon factories.
In short, as China’s battery industry is about to enter a stage of high-quality development, intelligent technology will be a powerful tool to help companies accelerate growth and reduce costs. The introduction of this technology will have a positive impact in the field of battery design and manufacturing, pushing the industry towards a more efficient and sustainable direction.
The impact of the new battery law on battery manufacturing
The battery passport contains information about some manufacturing segments. Does it pose more challenges or opportunities for battery production?
The newly promulgated battery passport regulations, involving battery labels and manufacturing information, provide a situation where opportunities and challenges coexist. Implementing a battery passport will help standardize the entire battery manufacturing, use, and recycling process and improve the regulation and efficiency of battery use. This will help monitor various parameters during custom lithium battery pack use, improving battery quality. This will have positive significance for regulating and developing the entire industry.
Are there any obvious differences in carbon emission performance between the front, middle and back stages of battery production?
Carbon emissions are relatively evenly distributed among the front, middle, and rear sections. The energy consumption involved in the entire manufacturing process, such as heating, cooling, chemical formation, or liquid injection, consumes energy. The continuity of the battery manufacturing process, from material design to manufacturing process, requires the control of energy consumption. Therefore, achieving improvements in carbon footprint requires a concerted effort from both battery materials and manufacturing technologies.
Technical approaches to improve carbon footprint
Manufacturing technology has a significant impact on carbon footprint, especially in terms of improvements in manufacturing processes and processes. In a short time, energy consumption can be reduced by improving manufacturing processes and processes. At the same time, in the long term, it is necessary to optimize the entire manufacturing process, starting from the battery design and material system. For example, changing and optimizing the battery material system can reduce the energy consumption of the manufacturing process and thereby improve the carbon footprint.
The help and role of lithium battery equipment companies
From the perspective of custom lithium battery pack equipment manufacturers, equipment plays a vital role as executors and controllers in battery manufacturing. By establishing digital control and data systems, the equipment can help manufacturers optimize the manufacturing process and improve quality while also helping to solve the challenges of the new battery passport regulations.
If you have any question, please feel free to contact us:
Name: Dawn Zeng (Director)
E-mail address: sales@himaxelectronics.com
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Custom lithium battery pack is becoming increasingly popular in today’s technology-driven world. The Custom Lithium Battery Pack ese packs are designed and built to meet the specific needs of individual customers, providing them with a custom-made solution for their specific application. Custom lithium battery packs offer a number of advantages over traditional battery packs, Custom Lithium Battery Pack including higher energy density, longer lifespan, and better safety performance. In this article, we will explore the benefits of custom lithium battery packs and how they can be used to meet the unique needs of individual customers.
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As technology and device performance continue to advance, our need for power is also growing. However, for many devices, battery life and performance are still major factors limiting their overall user experience. In this regard, 12V lead acid replacement battery is emerging as a potential solution that provides customers with reliable and long-lasting portable power.
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If you have any question, please feel free to contact us:
Name: Dawn Zeng (Director)
E-mail address: sales@himaxelectronics.com
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