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.

Donut Lab released the results of the second independent test showing that its solid-state battery can handle extreme heat without affecting its performance ...

The big reveal at CES of a production-ready solid-state battery needs backup.

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

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 ...

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

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

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 ...

At CES, Donut Lab presented a solid-state battery allegedly ready for mass production. However, the impressive specifications ...

By Battery Type, Lithium-Ion Batteries captured nearly 89.2% share in 2026, reflecting their overwhelming dominance in global EV deployments. The segment's leadership is reinforced by continued ...