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.

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

This article presents Chroma’s Model 17011 series, a battery cell charge and discharge system developed for charge and discharge life cycle test, as well as battery characteristic analysis. It ...

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

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

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

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

As part of its 'I Donut Believe' campaign, Finnish battery developer Donut Lab has published further independent test results for its disputed solid-state ...

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

Batteries serve as the main source of power in a substation in the event of an AC outage. They power critical loads and equipment like relays, indicator lamps, circuit-breaker controls, motor ...

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

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, ...