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.

The lithium-ion battery pack sitting under millions of electric vehicles on the road right now may be approaching a shelf ...

A joint team from Nankai University and China Auto New Energy (CANEB) has tested a semi-solid-state battery in a real vehicle that achieved a range exceeding 1,000 kilometers, or roughly 620 miles, on ...

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.

The industry has touted the solid-state battery as a solution, as it promises higher energy density, faster charging, and far ...

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 ...

QuantumScape (NasdaqGS:QS) has integrated its Cobra separator process into solid state battery cell production. The company has shipped advanced QSE-5 cell samples to external parties for evaluation.

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.

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