The science of stopping batteries exploding

Why do rechargeable batteries sometimes explode? And more importantly, what can be done about it?

Headlines keep on popping up in the news about exploding cellphones, laptops, and hover-boards. This is due to a phenomenon called thermal runaway, and it has a lot to do with those lithium ion batteries that are inside most of our household tech.

This video takes you through the chemistry on why batteries go boom, then takes a look at the lithium ion battery of the future.

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