Here's why some batteries explode

We've all seen the videos and pictures of gadgets that caught fire unexpectedly. A science breakthrough announced Thursday could pave the way for safer batteries that last longer.

SAN LEANDRO, Calif. (KGO) -- We've all seen the videos and pictures of gadgets that caught fire unexpectedly. A science breakthrough announced Thursday could pave the way for safer batteries that last longer.

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ABC7 News' Jonathan Bloom went to the Stanford lab where researchers are finally getting a closer look at why some batteries explode.

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