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.

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

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

Volkswagen's partner Gotion begins real-world vehicle testing of all-solid-state EV batteries designed to deliver 1,000 km ...

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

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

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

Glyph's rugged, handsome Atom EX20 external 3.2x2 USB SSD proved very fast -- but only after I switched to a higher-quality cable.