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

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

The specs it's put forward are extraordinary: 400 watt-hours of energy density (roughly double today's lithium-ion cells), a ...

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

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

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 ...

The race to revolutionize the science of electric vehicles (EVs) is heating up. Stream Los Angeles News for free, 24/7, wherever you are. Often touted as the "holy grail" of sustainable driving, solid ...

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white whale of electric vehicles, promising lighter packs, faster charging and road-trip ranges that make gasoline look outdated.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 ...

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

Advanced solid-state batteries have long been regarded as the holy grail for electric vehicles and Subaru has joined fellow Japanese brands Toyota and Nissan by working to implement these advanced new ...