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

Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...

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 the results of the second independent test showing that its solid-state battery can handle extreme heat without affecting its performance ...

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

Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...

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

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

Rechargeable batteries are everywhere—from portable electronic devices and electric vehicles to renewable energy storage.

QuantumScape (NasdaqGS:QS) has integrated its Cobra separator process into solid state battery cell production. The company has shipped advanced QSE-5 cell samples to external parties for evaluation.