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.

Chinese automakers are planning to start testing solid-state EV batteries in 2026, with one claiming massive energy density ...

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

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, ...

Electric vehicles have advanced rapidly over the past decade, but battery technology remains the ...

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

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

The experimental manufacturing process could one day deliver a vehicle with a 1,000-plus mile range, researchers say.

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

Solid-state batteries spark a global EV arms race as automakers and startups compete to unlock ultra-fast charging and the ...

Solid-state batteries could be safer and more energy-dense than today’s lithium-ion technology, but finding materials that allow ions to move quickly through solid electrolytes has been difficult.

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