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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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Introduction to Safety Performance of Lithium Ion Batteries

release time:2023-10-07 Hits: Popular:AG11 battery

　　Lithium iron phosphate battery

　　The theoretical capacity is 170mAh/g, and the actual achievable capacity of the material is 160mAh/g. In terms of safety, lithium iron phosphate has high thermal stability and low electrolyte oxidation ability, resulting in high safety; But the defects are low conductivity, large volume, high electrolyte usage, and poor consistency of the battery due to its large capacity.

　　Lithium cobalt oxide battery

　　The biggest feature in preparation is that after being fully charged, there is still a large amount of lithium ions left in the positive electrode, which means that the negative electrode cannot accommodate more lithium ions attached to the positive electrode. However, in an overcharged state, the excess lithium ions on the positive electrode will still swim towards the negative electrode, which cannot fully accommodate and change back to form metal lithium on the negative electrode. As metal lithium is a dendritic crystal, it is called dendrite. Once dendrite is formed, This will provide an opportunity to puncture the diaphragm, which will create an internal short circuit. Due to the fact that the main component of the electrolyte is carbonate, with lower flash and boiling points, it can burn or even explode at higher temperatures. Controlling the formation of lithium dendrites is relatively easy on small capacity lithium batteries, so lithium cobalt oxide batteries are currently limited to small capacity batteries such as portable electronic devices and cannot be used for power batteries.

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