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

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

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 ...

Independent testing shows Donut Lab’s solid-state battery survives extreme heat and retains performance at temperatures up to 100°C.

Electric vehicles have advanced rapidly over the past decade, but battery technology remains the ...

Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...

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 ...

Yun Jung Lee reflects on her path to solid-state battery research, shaped by curiosity, interdisciplinary work and focus on ...

Solid-state batteries have long been the white whale of electric vehicles, promising lighter packs, faster charging and road-trip ranges that make gasoline look outdated. What is changing now is not ...