The lithium-ion battery pack sitting under millions of electric vehicles on the road right now may be approaching a shelf ...

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 ...

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

Another major Japanese automaker is jumping into the race for the “holy grail” of EV batteries after buying out ...

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

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, ...

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

VTT testing says Donut Lab’s “solid-state” battery likely matches lithium-ion; energy density measured at 298 Wh/kg, claims ...

Independent testing shows Donut Lab’s solid-state battery survives extreme heat and retains performance at temperatures up to 100°C.

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