VTT Test Donut Lab Battery Reaches 80% Charge in Under 10 Minutes [pdf] (114 points, 1 month ago, 122 comments) https://news.ycombinator.com/item?id=47121864
I Donut Believe – Presenting Third Party Results (42 points, 1 month ago, 14 comments) https://news.ycombinator.com/item?id=47121442
Donut Lab’s all-solid-state battery delivers 400 Wh/kg of energy density (276 points, 3 months ago, 268 comments) https://news.ycombinator.com/item?id=46505975