Imagine a battery that stores more power, lasts longer, and remains safe even under stress. Researchers at the U.S.

Donut Lab released its second independent solid-state battery test result Monday. The pouch cell was subjected to extreme temperatures as high as 212 degrees Fahrenheit. It appeared to perform well at ...

Donut Lab has released a second set of independent test results for its controversial solid-state battery — this time proving the cell can discharge at extreme temperatures up to 100°C and actually ...