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

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.

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

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 ...

Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...

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

RTX has reached a key milestone in its hybrid-electric propulsion project, successfully running its ...

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 ...

The new EL97xx series of electronic loads available now from INTEPRO SYSTEMS offers users a simple means to test or characterize individual battery cells or multi-cell stacks. Models are available ...

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 ...

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