VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge, but key claims remain unproven.
Independent testing shows Donut Lab’s solid-state battery survives extreme heat and retains performance at temperatures up to 100°C.
As part of its 'I Donut Believe' campaign, Finnish battery developer Donut Lab has published further independent test results for its disputed solid-state ...
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Donut Lab shuts down scam claims as solid-state cells hit 110% capacity in extreme heat
Finnish startup Donut Lab is pushing back against industry skepticism by releasing new independent ...
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