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 ...

When a company claims to have created what’s essentially the holy grail of batteries, there are bound to be some questions.

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 ...

Solid-state batteries use solid materials instead of liquid for electrolytes, which means they could be safer, hold more power, and charge faster than current lithium-ion batteries. Many companies are ...

What if the future of energy storage could be redefined in just five minutes? That’s the bold promise behind the world’s first solid-state battery unveiled by Donut Lab, a breakthrough that has ...

The race to reinvent the electric vehicle battery just crossed a line that had existed mostly in lab demos and investor decks. A small Finnish outfit, Donut Lab, says it has moved solid-state cells ...