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

The startup's third test evaluates whether its solid-state battery is actually a supercapacitor. Here's what the results say.

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

Roughly three months ago, electric motorcycle startup Verge Motorcycles announced something huge, claiming its updated Verge ...

Donut Lab, a venture-backed startup operating largely in stealth mode, has presented a solid-state battery prototype that the ...

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

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

Independent high-temperature testing suggests the Donut Battery doesn’t just survive extreme heat, it improves efficiency — potentially rewriting the rulebook on EV battery safety and performance.

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 race to revolutionize the science of electric vehicles (EVs) is heating up. Stream Los Angeles News for free, 24/7, wherever you are. Often touted as the "holy grail" of sustainable driving, solid ...

Advanced solid-state batteries have long been regarded as the holy grail for electric vehicles and Subaru has joined fellow Japanese brands Toyota and Nissan by working to implement these advanced new ...