Donut Lab, a Finnish solid-state battery maker, claims its cells retained 97.7% of their charge after sitting idle for 10 days, a figure that, if independently confirmed, would represent a sharp ...

The startup's third test evaluates whether its solid-state battery is actually a supercapacitor. Here's what the results say.

The individual cell charged in about five minutes in an independent test. But can it do that at the pack level over many charging sessions?

The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.

QUESTION: Is there a way to test an external battery pack before I go on a long road trip? ANSWER: With all the portable electronics we tend to bring on our trips these days, having a portable power ...

BREA, Calif., Dec. 27, 2023 (GLOBE NEWSWIRE) -- via IBN -- Mullen Automotive Inc. (NASDAQ: MULN) (“Mullen” or the “Company”), an emerging electric vehicle ...

It is an exciting time in the automotive industry with the development and evolution of new technologies for electric vehicles (EVs). Specifically, battery technology is the key driving force for ...