Video: Charging Takes a Toll on a Battery's Insides

You may not give a lot of thought to what happens inside the battery of your laptop or cell phone, but to judge from the video above, it's not a dull place. The battery in question is a miniature rechargeable lithium-ion device, and the clip shows what happens when it is charged via Video: Charging Takes a Toll on a Battery's Insides - ScienceNOW.