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

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

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

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 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 ...