Prototypes of the protected and non-protected battery after a case of emergency, i.e. overcharging (IMAGE)

St. Petersburg State University

Prototypes of the protected and non-protected battery after a case of emergency, i.e. overcharging

Caption

The gases built up and caused the non-protected battery (on the left) to swell up. It may lead to an explosion. The protected battery (on the right) remains flat as the protective layer blocked the process

Credit

SPbU

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