Donut Lab A Hole in the Story Article #231: All Glaze No Substance - Solid-State Battery Claims, VTT Test Data & Why the Numbers Don't Add Up - A Special Situation Investigation
Finnish startup Donut Lab claims to have built the world's first production-ready solid-state battery with 400 Wh/kg energy density and 100,000-cycle life. After reading the VTT test reports, examining the corporate structure, and speaking with a former employee, the numbers...