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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 .

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:2024-06-12 Hits: Popular:AG11 battery
Advantages of high-purity alumina in the coating of 18650 lithium battery 2600mah separators
Advantage 1: When the current is too large, it can block the current. The lithium-ion battery separator of pp/pE material is a through hole. When the current is too large, it is easy to cause perforation, which in turn causes the lithium-ion battery to burn or explode. Using high-purity alumina (VK-L500G) as a coating material and an adhesive to coat it on the surface of pp/pE material can adjust the holes. This is because high-purity alumina has a plate-like crystal structure. When the current is too large, the material heats up, and then the high-purity nano-alumina coating material with a plate-like crystal structure will expand in volume, which will close the current conduction holes on the lithium-ion battery separator, thereby blocking the current. When the temperature drops, the material volume will shrink, and the current conduction holes on the separator will reopen. The special physical and chemical properties of this material can greatly improve the safety performance of lithium-ion batteries, thereby providing the possibility for high-power lithium-ion batteries to charge and discharge with high energy safety and safety.
Advantage 2: High-purity nano-alumina (VK-L500G) also has very good thermal conductivity. When the battery temperature is too high, this material can conduct heat well, thus solving the problem of poor thermal conductivity of pp/pE materials.
Advantage 3: High-purity nano-alumina (VK-L500G) material also has excellent flame retardancy. This is because high-purity alumina material itself is a very good flame retardant. Even if the temperature is too high and reaches the zero point of combustion, the good flame retardancy of the material will prevent large-scale combustion or even explosion.
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