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.

Earlier this year, Finnish startup Donut Lab grabbed headlines after claiming it had developed the first production-ready ...

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

Arnold Clark has partnered with Moba to enhance its aftersales offering by introducing comprehensive battery testing for fully electric (BEV) and plug-in ...

The Finnish firm claims it has beaten the world’s largest carmakers and battery giants to commercializing solid-state cells ...

VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...

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

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

Rechargeable batteries are everywhere—from portable electronic devices and electric vehicles to renewable energy storage.

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, ...

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