Researchers look deeply within batteries to see why they explode
 

High-energy batteries, like the ones in your laptop and smartphone, can fail, which can cause them to overheat and even catch fire. A team of researchers used cryo-electron microscopy (cryo-EM) , a technique that won the 2017 Nobel Prize in chemistry...

https://www.engadget.com/2017/10/26/...eries-explode/