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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:2024-03-18 Hits: Popular:AG11 battery
Future development direction of lithium-ion battery separator technology
The future development direction of lithium-ion battery separator technology. In recent years, lithium-ion battery technology has developed rapidly. As one of the core materials in batteries, separators determine the performance of lithium batteries. Therefore, separator materials and preparation technologies are in urgent need of in-depth research. As the energy density of button battery 2032 increases year by year, the amount of inactive materials is getting smaller and smaller, and the separators are getting thinner, which will bring great challenges to the safety of lithium batteries.
Future development direction of lithium-ion battery separator technology
Lithium battery separator technology routes are mainly divided into two types: dry method and wet method. The dry method is lower in cost but is not suitable for high specific energy batteries. The wet method is thinner and can meet the requirements of high specific energy of power batteries, but the cost is more expensive. In 2017, the output of wet separators exceeded that of dry separators.
Future development: thin diaphragm. As the specific energy of power lithium batteries increases rapidly, 16-micron, 12-micron or even 8-micron separators are beginning to be used, and separators made by wet processes can meet the requirements. With the reduction of subsidies for new energy vehicles and the gradual improvement of dry separator technology, the proportion of dry separators in ternary batteries has gradually increased.
The various performance indicators of lithium battery separators are mutually restricted and affect each other. All separator manufacturers are looking for the optimal combination. There is no separator with the best indicators for all indicators, so it is necessary to improve the electrical performance, safety performance and scale. Find a balance point among the comprehensive evaluation indicators of production. Since traditional diaphragms are getting thinner and thinner, it is necessary to apply glue or ceramics on the diaphragm to meet the needs of thermal stability and tensile strength.
Lithium battery separator development trends: coating, non-woven fabrics and the combination of the two technologies will be the future trend. In the future, the development trend of lithium battery separators will diversify with the development of new fields such as power lithium batteries and energy storage. Simple polyethylene separators can only be applied to 3C products. The high-end market needs "perfect separators" to support, coated, non-woven Cloth and the technology combining the two will be the future development direction.
Current demand for lithium battery separators
China's lithium battery separator market is growing rapidly. As the world's largest lithium battery manufacturing base and the second largest lithium battery producer and exporter, China's demand for separators is increasing day by day.
my country's lithium-ion battery market size will further increase to nearly 100GW, and the demand for wet separators will also reach nearly 800 million square meters. By 2020, at a ratio of 70%, my country's demand for wet separators will be around 1.3 billion square meters, and the market space will double.
At present, the supply of mid-to-high-end lithium battery separator products exceeds the demand. Therefore, the company's production capacity of wet-process lithium battery separators is further expanded. Industry analysts pointed out that as new production capacity is gradually put into production, my country's lithium battery separator market may experience a serious oversupply situation. By then, the market competition for lithium battery separators will further intensify, a fierce price war may be inevitable, and the market's gross profit margin will drop significantly.
The development of high-performance, low-cost lithium-ion battery separators is of great significance to the technological progress and commercial application of button battery 2032.
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