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Donut Lab – first all-solid-state battery. Production Ready Today
- ZeroGravitas 9mo agoSlightly earlier, and slightly more specific URL: https://news.ycombinator.com/item?id=46495866 https://news.ycombinator.com/item?id=46495866
- mrtksn 9mo agoSpecs are very impressive, aren't they? 400kW/kg, %99 energy preservation on -30C to 100C range, under 5min cell charging times