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SINO TECHNOLOGY SUNBEAM GREEN POWER DATAPOWER SEONG-HEE STD

SINO TECHNOLOGY

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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SUNBEAM

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

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GREEN POWER

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

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DATAPOWER

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.

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SEONG-HEE

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

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STD

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.

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6000mah 3.2v lifepo4 battery.Two core technologies for lithium-ion battery separator processes

release time:2023-11-14 Hits: Popular:AG11 battery

　　The separator is an important part of the lithium battery. It is located between the positive and negative electrodes inside the battery, ensuring the passage of lithium ions while hindering the transmission of electrons. The performance of the separator determines the interface structure, internal resistance, etc. of the battery, which directly affects the battery's capacity, cycle, safety performance and other characteristics. Excellent separators play an important role in improving the overall performance of the battery.

　　For the wet process, the extrusion mixing process of resin and additives and the stretching process are the two core issues of the process. The extrusion process requires good material mixing, strong plasticizing ability, and stable extrusion process. The stretching process determines the orientation of the molecular chains and whether the pore-forming agent is evenly distributed. For the dry process, in addition to the extrusion mixing process, the melt drafting ratio and heat treatment are core processes.

　　At present, the global manufacturers of separators mainly use wet process. Wet process separators are more expensive. In the future, wet process separators will still take a high-end market route in power batteries, while mid-to-low-end power batteries will still be dominated by dry process. .

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