The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.

Electric vehicles are colliding with a hard reality: lithium is expensive, supply chains are fragile, and safety concerns still unsettle buyers. A new generation of solid-state sodium-ion batteries ...

VTT testing says Donut Lab’s “solid-state” battery likely matches lithium-ion; energy density measured at 298 Wh/kg, claims ...

For years, automakers have pointed to solid-state batteries as the breakthrough that could transform electric cars.