Donut Lab, a California-based startup developing solid-state battery technology, has drawn intense attention and sharp criticism over claims that its donut-shaped cells can outperform conventional ...

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

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

The development of battery materials at the University of Eastern Finland began more than a decade ago with research on anode and cathode materials. Now, with the new Battery Research Laboratory at ...

After weeks of skepticism and even industry figures calling its solid-state battery claims a ...

What if the future of energy storage could be redefined in just five minutes? That’s the bold promise behind the world’s first solid-state battery unveiled by Donut Lab, a breakthrough that has ...

Since announcing earlier this year that it was on the cusp of a major battery breakthrough, Finnish startup Donut Lab has faced a lot of questions, and plenty of skepticism, about its production-ready ...