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 ...

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

Flagship smartphones differ significantly in their battery capacities and underlying technologies. The Samsung S26 Ultra, iPhone 17 Pro Max, and Google Pixel 10 Pro XL are equipped with batteries in ...

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

Chinese researchers are working on semi-solid-state battery technology that could result in an EV range in excess of 1,000 miles.

Volkswagen’s partner, Gotion High Tech, has begun testing all-solid-state EV batteries with a CLTC range of 1,000 km (620 ...

Finnish startup Donut Lab is pushing back against industry skepticism by releasing new independent ...

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

We took the major laptop processors (so far) in 2025 and asked them to stream "One Piece" from Netflix until they ran out of ...