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

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

VTT testing says Donut Lab’s “solid-state” battery likely matches lithium-ion; energy density measured at 298 Wh/kg, claims ...

Another company claims to have solid-state EV batteries in the works that will unlock well over 1,000 miles (3,000 km) of range and fast charging in just five minutes. And it’s not BYD this time. Is ...

Since announcing earlier this year that it was on the cusp of a major battery breakthrough, Finnish startup Donut Lab has faced a lot of questions, and plenty of skepticism, about its production-ready ...

A small Finland-based startup claims to have made a big, solid-state battery breakthrough. Now, the industry is asking for proof. Earlier this month, a little-known Finnish startup shocked the world ...

Automotive patents don’t always focus on a new product that is about to hit showrooms. More often, they give us a peek at the real issues carmakers face in the background – especially for upcoming ...