All of the common disposable alkaline batteries from AAA to D are single cells. The exception is the 9v battery which actually has six smaller cells inside of it. [Tom] took a look inside three ...

Most of the devices you own are powered by batteries of some sort, but will you be allowed to take them onboard an aircraft?

Swiss researchers claim to have devised a functional living battery powered by the combined efforts of two types of fungi – ...

There's a big push underway to increase the lifespan of lithium-ion batteries powering EVs on the road today. By law, in the US, these cells must be able to hold 80% of their original full charge ...

A lithium battery patterned with holes is flexible, stretchable and allows more airflow than cotton, making it perfect for fitness tracking or medical monitoring wearables ...

"For the first time, we have combined two types of fungi to create a functioning fuel cell," says Empa researcher Carolina Reyes. On the negative (or anode) side of the ‘battery’ is a yeast ...