Lithium-ion Battery Safety

Rechargeable lithium-ion batteries (Li-ion batteries, or LIB) are fast becoming the power source of choice among makers of many consumer, automotive, medical and defense products. They are safe during normal use, but when abnormalities occur – such as manufacturing defects, excessive temperature elevation, and penetration by outside materials – li-ion batteries can become hazardous. In fact, if enough microscopic metal particles converge within the cell, an electrical short can develop. This can lead to thermal runaway and cause the battery to ignite or explode.

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