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

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

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, a venture-backed startup operating largely in stealth mode, has presented a solid-state battery prototype that the ...

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

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

Donut Lab says it has developed what it describes as a solid-state battery that is ready for use in production vehicles, and the company claims the technology will begin appearing in consumer ...

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

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

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

The battery world is hardly lacking in ambition, but it remains controlled by a tight circle of Chinese and Korean heavyweights. When Finnish startup Donut Lab claimed earlier this year that it had ...