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

Polymers are fundamental to our daily lives, serving as the core components for a wide array of goods, including clothing, packaging, transportation infrastructure, construction materials, and ...

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.

Chinese scientists have announced a significant advancement in lithium battery technology. They have achieved ...

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 ...

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

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 ...

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

Balcony solar storage batteries explained in Lab Talk #43: chemistry trade-offs, BMS basics, and practical safety checks for ...

CATL says its sodium-ion pack can keep charging and delivering power far below freezing. The real test is whether those lab numbers survive real winter driving ...

A joint team from Nankai University and China Auto New Energy (CANEB) has tested a semi-solid-state battery in a real vehicle that achieved a range exceeding 1,000 kilometers, or roughly 620 miles, on ...

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