New research from MIT could shed light on the inner workings of a new type of lithium ion battery, for the first time showing scientists why exactly it performs so well.

How does an EV battery actually work? Are lithium batteries sustainable enough to fulfill the dream of the electric-car revolution?

Apple's AirTags can help you find misplaced or otherwise lost items, but just how does the technology work and how often do you need to change the battery?

We may take smartphone fast charging for granted, but how does it work and which standard does your device support? We have the answers.

Nuclear batteries would work by harnessing the reaction of a tiny quantity of a radioactive isotope to power a hardy semiconductor that generates electricity.

Why do batteries “die”? A battery works when the original chemicals inside it are still new and unused. When electricity starts flowing, these chemicals react with each other to become different ...