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

Donut Lab has had the world's first solid-state battery ready for production vehicles measured in independent testing ...

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.

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, ...

Donut Lab released the results of the second independent test showing that its solid-state battery can handle extreme heat without affecting its performance ...

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

Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...

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

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