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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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Protection Measures for Spontaneous Combustion of Lithium Batteries

source:Industry News release time:2024-02-22 Hits: Popular:AG11 battery

　　Shell protection: In order to prevent air from entering, lithium batteries are sealed in sealed containers and usually equipped with stainless steel and aluminum alloy shells to prevent external damage. For example, Tesla's electric vehicles even use titanium alloy protective plates to prevent damage to battery containers during vehicle use, especially in traffic accidents.

　　Diaphragm blocking protection not only prevents external damage, but also prevents damage from inside the battery.

　　Usually, in order to prevent short circuits caused by direct contact between the positive and negative poles of the battery, there is a layer of separator inside the battery, which separates the positive and negative poles and allows charged ions to pass through.

　　However, in lithium batteries, the separator also carries another protective function. When the battery temperature is too high, the diaphragm gap will automatically close, making it impossible for lithium ions to pass through, thereby terminating the entire battery reaction. This prevents the problem of high voltage generated by the gasification of the electrolyte in the battery due to high temperature, which can damage the sealing structure of the battery.

　　Overcharge voltage protection not only blocks the air, but also prevents the leakage of metal lithium from the electrode.

　　Scientists store and lock the metal lithium formed during charging and discharging through the nano gaps and lattice mechanisms of electrode materials.

　　In this way, even if the battery casing ruptures and oxygen enters, the oxygen molecules are too large to enter these small storage cells, thus avoiding the generation of spontaneous combustion.

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