This Battery Was Almost Too Dangerous to Exist

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For decades, a high-energy rechargeable battery seemed impossible - until we managed to tame one of the most volatile metals. 0:00 What’s inside a battery? 4:11 How does a battery work? 7:15 How did we increase battery power? 11:13 The first rechargeable lithium battery 13:29 The Tiny Needles That Kill Batteries 16:06 Goodenough? We can do better 20:07 The birth of the lithium-ion battery 27:10 Why do batteries explode? 29:31 Blowing up a battery