Donut Lab solid-state battery: 5 independent tests in, still no energy density or cycle life data

Donut Lab solid-state battery: 5 independent tests in, still no energy density or cycle life data

Donut Lab has now released five independent test reports from Finland’s VTT Technical Research Centre on its solid-state battery — and not a single one addresses the two claims that actually matter: the 400 Wh/kg energy density and the 100,000-cycle life. …

Donut Lab has now released five independent test reports from Finland’s VTT Technical Research Centre on its solid-state battery and not a single one addresses the two claims that actually matter: th… [+4964 chars]