Earlier this year, Finnish startup Donut Lab grabbed headlines after claiming it had developed the first production-ready solid-state EV battery capable of charging in about five minutes. The ...

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

Donut Lab released the third independent test of its controversial solid-state battery, this time trying to prove it's not a ...

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

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

Donut Lab battery validation adds a 10-day room-temperature retention figure of 97.7%, while energy density and weight data remain absent.

Across the globe, governments are implementing strategies to get more electric vehicles on the roads. Yet a major reservation many motorists have about EVs is their efficiency and safety. We explore ...

A Dutch battery manufacturer has developed a revolutionary hydrogen-iron flow battery that could reportedly ...

This article was written by technical expert Sean White for Fluke Corp. Batteries can be a reassuring backup for residential and commercial buildings when grid power goes down, and they’re critical to ...

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.