Donut Lab, the battery startup working alongside Finnish electric motorcycle maker Verge Motorcycles, has demonstrated that its solid-state cell can charge from zero to full capacity in roughly five ...

Donut Lab, a small Finnish startup claiming to have developed the first solid-state battery for electric vehicles, has released results from a new test aimed at addressing doubts about its technology.

Donut Lab released the fifth independent test of its solid-state battery, this time proving the safety of its 26-Ah cell. While the tests concluded that the cell is safe, Donut Lab still refused to ...