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

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.

Spurred by EVs and electrified aviation, global demand for lithium-ion batteries is expected to more than double its 2023 ...

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

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 ...

FAYETTEVILLE, GA, UNITED STATES, March 3, 2026 /EINPresswire.com/ -- Researchers from Tsinghua University explore how ...

During testing, the solid-state cell sustained an 11C charging rate. The battery reached 80 percent charge in 4.5 minutes and ...

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

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

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 chemistry encompasses the synthesis, characterisation and engineering of materials where the arrangement of atoms, ions or molecules in a rigid, three‐dimensional network governs their ...