Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...

Finnish startup Donut Lab has just released the third independent test of its solid-state ...

Donut Lab released the third independent test of its controversial solid-state battery, this time trying to prove it's not a ...

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 ...

Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.

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

Solid-state batteries spark a global EV arms race as automakers and startups compete to unlock ultra-fast charging and the ...

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

The BMX SolidSafe Air is a safe semi-solid-state battery clad in a polymer and titanium shell and just over 0.25 inches thick.

Donut Lab surprised everyone when it announced at CES 2026 that it's ready to ship the first commercial solid-state battery. The startup made incredible claims, including about longevity (100,000 ...

Donut Lab says it will release independent lab tests on its production-ready solid-state batteries over the next several weeks. Skepticism abounds after the company announced at CES that it had a ...

Millions of Americans have already filed their 2025 tax returns. If you’re among them, you may be wondering when you'll receive your refund. Here’s what you need to know about Alabama State and ...