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

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

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

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 ...

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

At CES, Donut Lab presented a solid-state battery allegedly ready for mass production. However, the impressive specifications prompted critics to question the ...

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

It is an exciting time in the automotive industry with the development and evolution of new technologies for electric vehicles (EVs). Specifically, battery technology is the key driving force for ...

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 ...