For those willing to put some elbow grease into it, there is an almost unlimited supply of 18650 lithium ion batteries around for cheap (or free) just waiting to be put into a battery pack of some ...

The development of tiny, soft and biocompatible batteries to power minimally invasive biomedical devices is of critical importance. Here the authors present a microscale soft rechargeable lithium-ion ...

Batteries can unlock other energy technologies, and they’re starting to make their mark on the grid. This article is from The Spark, MIT Technology Review’s weekly climate newsletter. To receive it in ...

One of electric vehicles’ biggest problems is their battery pack. It is big, heavy and expensive, and its materials are sourced from distant parts of the globe, leaving a big carbon footprint. That’s ...