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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
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Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-04-02 Hits: Popular:AG11 battery
The key material technology of 2200mah 18650 battery is gradually breaking through, and the development of lithium battery materials is full of motivation
The key material technology of 2200mah 18650 battery is gradually making breakthroughs, and the development of lithium battery materials is full of motivation. Technology is gradually making breakthroughs among the four key materials for 2200mah 18650 battery, and there is broad room for development of high-end lithium battery materials. Although the current technical level of lithium battery materials in my country is relatively low, and lithium battery materials are mostly concentrated in the mid- to low-end fields, with the rapid development of electric vehicles and the support of national policies, the development of lithium battery materials is fully motivated, and the technical level will be further improved, and high-end products There is huge room for development.
Key material technologies for 2200mah 18650 battery are gradually making breakthroughs, and the development of lithium battery materials is full of motivation
Among the four major materials in production, the cathode material is the core of 2200mah 18650 battery, accounting for more than 30% of the cost of 2200mah 18650 battery and accounting for the largest proportion; the quality of the cathode material directly determines various performance indicators of 2200mah 18650 battery, such as energy density performance, specific power, and temperature. Scope of application and safety performance, etc.
Domestic lithium battery cathode material production capacity is overcapacity, capacity utilization is low, and price competition is fierce. From the perspective of supply and demand, my country's overall production capacity of lithium battery cathode materials is seriously overcapacity. In the next two years, due to the increase in ternary materials and high-voltage lithium cobalt oxide, cathode material production capacity will still grow rapidly. Competition among domestic enterprises will intensify, and domestic products will be homogeneous. The chemical phenomenon is serious, resulting in the price of lithium battery cathode materials falling.
The future development trend of anode materials: with the goal of improving capacity and cycle stability, as one of the four key materials for 2200mah 18650 battery, anode materials determine the performance of 2200mah 18650 battery. The rate performance of conventional graphite anode materials has been difficult to meet the requirements of downstream products of 2200mah 18650 battery. need.
Lithium hexafluorophosphate has become the most widely used electrolyte due to its unique performance advantages. In the past, lithium battery electrolytes have been dominated by Japanese and Korean manufacturers, accounting for about 55% of global production capacity. However, with the improvement of China's technology and the increasing growth of domestic demand , especially after the localization of lithium hexafluorophosphate, electrolyte production capacity continues to be transferred to China.
The future development trend of the separator industry: lighter, thinner and safer. With the rapid growth of 2200mah 18650 battery in consumer electronics, electric vehicles and other application fields, lithium battery separators must be prepared in advance for future market outbreaks, and the performance and quality of the products need to be improved. There has been a breakthrough in the industry. The future development trend of diaphragms is to meet performance requirements such as high power, large capacity, long life cycle, safety and reliability.
How to make breakthroughs in key material technologies for 2200mah 18650 battery
Technical breakthroughs in key materials should mainly depend on application scenarios, and then decide how to break through technical bottlenecks based on the application scenarios. The technological breakthrough direction of lithium battery cathode materials is: first, short-range to solve the cost problem; second, the need for integrated technology; third, high energy density, the electrode plate density needs 2.8g/cc; fourth, the application of LFP lithium supplement additives, This is the key to the energy density of lithium iron batteries reaching 200~220wh/Kg.
In terms of technological breakthroughs in anode materials, for carbon anode materials, it is necessary to improve the performance of natural graphite and artificial graphite and reduce their prices; for silicon-based anode materials, it is necessary to completely subvert their process technology. Starting from the equipment, it is necessary to take into account recycling. Utilization issues.
In terms of breakthroughs in diaphragm technology, since the function of the diaphragm is mainly to conduct ions and isolate electrons, the pain point currently faced by customers is that the safety factor is not high enough, which limits high energy density designs.
Compared with other secondary batteries such as traditional lead-acid batteries, nickel-metal hydride batteries, and nickel-cadmium batteries, 2200mah 18650 battery have gradually become a secondary The main force in the battery market. According to professionals, China's technical level in the field of lithium battery material production is uneven, and some are still far behind the international advanced level.
According to the current development status, in the field of key materials for 2200mah 18650 battery in my country, cathode materials, anode materials and electrolytes have gradually become self-sufficient. Only separator materials are still highly dependent on imports, but the development speed is also very fast. Generally speaking, my country's 2200mah 18650 battery There is no shortage of core technologies, and the foundation for industrialization is relatively solid. It is foreseeable that as companies strengthen technology research and development and the promotion of the new energy market, the quality of my country's 2200mah 18650 battery will further improve and usher in a good period of development.
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