The Finnish firm claims it has beaten the world’s largest carmakers and battery giants to commercializing solid-state cells ...
Morning Overview on MSN
Donut Lab solid-state battery kept 97.7% charge after 10-day test
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 ...
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