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

The startup's third test evaluates whether its solid-state battery is actually a supercapacitor. Here's what the results say.

Finnish startup Donut Lab has just released the third independent test of its solid-state ...

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, a Finnish solid-state battery maker, claims its cells retained 97.7% of their charge after sitting idle for 10 days, a figure that, if independently confirmed, would represent a sharp ...

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 ...

BMW is testing solid-state battery cells developed by Solid Power in the i7 sedan. Solid-state compositions promise lighter weight, greater energy density and thermal safety, and longer ranges for EVs ...

Mercedes-Benz on Monday announced the start of real-world testing of prototype solid-state battery cells from the U.S. firm Factorial. These cells were installed in a Mercedes-Benz EQS sedan in late ...

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

This week already brought us a camper loaded with solid-state battery power, and now we have a luxury EV putting its own solidified energy storage to work. BMW is road-testing solid-state batteries in ...