A detailed investigation confirms Donut Lab's 'solid-state' battery is actually a lithium-ion cell, with over 20 experts and ...

Although we all suspected that Donut La's solid-state battery claims were too good to be true, a thorough investigation shows ...

Donut Lab claimed to have made the world's first production-ready solid state battery. An in-depth investigation suggests ...

Donut Lab, a Finnish solid-state battery maker, claims its cells retained 97.7% of their charge after sitting idle for 10 days, a figure that, if independently confirmed, would represent a sharp ...

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 ...

Pacific Northwest National Laboratory (PNNL) has commissioned a new prismatic battery cell production line, giving ...