VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...

As part of its 'I Donut Believe' campaign, Finnish battery developer Donut Lab has published further independent test results ...

Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.

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

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

Donut Lab, a California-based startup developing solid-state battery technology, has drawn intense attention and sharp criticism over claims that its donut-shaped cells can outperform conventional ...

For nearly two decades, two-dimensional (2D) semiconductors have been studied as a complement or possible successor to ...

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

Solid-state batteries spark a global EV arms race as automakers and startups compete to unlock ultra-fast charging and the ...