Donut Lab, a Finnish solid-state battery maker, claims its cells retained 97.7% of their charge after sitting idle for 10 days, a figure that, if independently confirmed, would represent a sharp ...

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

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

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

The individual cell charged in about five minutes in an independent test. But can it do that at the pack level over many charging sessions?

Donut Lab battery validation adds a 10-day room-temperature retention figure of 97.7%, while energy density and weight data remain absent.

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

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

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

Solid state chemistry encompasses the synthesis, characterisation and engineering of materials where the arrangement of atoms, ions or molecules in a rigid, three‐dimensional network governs their ...

While electric vehicles have been a solution to help manufacturers move closer to their carbon-neutral goals, electric vehicle batteries are still insufficient in terms of both driving range and ...

Writer and occasional reluctant perpetrator of engine swaps, James O'Neil is a malaise era enthusiast and also fascinated by the many ways the auto industry has since recovered from those dark days.