VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...

As part of its 'I Donut Believe' campaign, Finnish battery developer Donut Lab has published further independent test results for its disputed solid-state ...

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 ...

The individual cell charged in about five minutes in an independent test. But can it do that at the pack level over many ...

Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.

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

Finnish startup Donut Lab is pushing back against industry skepticism by releasing new independent ...

For nearly two decades, two-dimensional (2D) semiconductors have been studied as a complement or possible successor to silicon transistors, promising smaller, faster and more energy-efficient ...

During testing, the solid-state cell sustained an 11C charging rate. The battery reached 80 percent charge in 4.5 minutes and ...

Electronic Design has been keenly following the Donut Lab Solid-State Battery since its announcement at CES 2026. At first ...