Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.

Two separate Chinese efforts are touting advances in solid-state (and hybrid solid-state) electric-vehicle batteries, including test-vehicle range claims above 1,000 kilometers on a single charge. One ...

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.

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

The big reveal at CES of a production-ready solid-state battery needs backup.

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

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

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 ...

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

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