Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
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 .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
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:2024-02-26 Hits: Popular:AG11 battery
Lithium batteries have become a hot topic in research on new power supply technologies in recent years due to their high energy density, long cycle life, light weight, small size, and other advantages. They are also safe, reliable, and capable of rapid charge and discharge. They are widely used in high-energy and high-power fields. popular. In the structure of lithium batteries, the separator is one of the key inner components. The separator is made of plastic film, which can isolate the positive and negative electrodes of the battery to prevent short circuits. It can also block the current conduction in the battery through the closed hole function when the battery overheats.
According to different physical and chemical properties, lithium-ion battery separator materials can be divided into: woven membranes, non-woven membranes (non-woven fabrics), microporous membranes, composite membranes, separator paper, rolled membranes, etc. Polyolefin materials have excellent mechanical properties, chemical stability and relatively cheap characteristics. Therefore, polyolefin microporous membranes such as polyethylene and polypropylene were used as lithium-ion battery separators in the early stages of lithium-ion battery research and development.
Today, commercial lithium-ion battery separators are still polyolefin microporous membranes. In recent years, solid and gel electrolytes have begun to be used as a special component that simultaneously plays the role of electrolyte and battery separator. It is an emerging technological means. The cost of lithium battery separator accounts for about 1/3 of the battery cost. The performance of the separator determines the interface structure, internal resistance, etc. of the battery, which directly affects the battery's capacity, cycle performance, safety performance and other characteristics. Excellent separators play an important role in improving the overall performance of the battery. At present, 60% to 70% of the separator market mainly uses the wet biaxial stretching process, because the wet biaxial stretching is more uniform and balanced in the longitudinal and transverse directions. Moreover, the wet method is mainly used for high-end separators, and the dry method is used for mid- to low-end products.
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