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

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

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 ...

According to the tests, Donut Lab’s solid-state cell, dubbed the Donut Battery, charged from zero to 80% in just four and a ...

EV batteries are ready to undertake the next step in material technology, and a lesser-known manufacturer might be the first ...

Volkswagen’s partner, Gotion High Tech, has begun testing all-solid-state EV batteries with a CLTC range of 1,000 km (620 ...

Independent testing shows Donut Lab’s solid-state battery survives extreme heat and retains performance at temperatures up to 100°C.

QS heads into 2026 with Eagle Line and Cobra set to test if its solid-state batteries can scale from lab promise to ...

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

When a company claims to have created what’s essentially the holy grail of batteries, there are bound to be some questions.

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

In February 2026, the solid-state battery industry accelerated its transition from pilot-scale trials to mass production, with sulphide electrolytes becoming the primary technological focus, and the ...