Solid-state batteries promise longer range, faster charging, and improved safety, but durability has been a major hurdle.

A team of researchers from the Chinese Academy of Sciences (CAS) has developed a ...

Donut Lab, a Finnish solid-state battery maker, claims its cells retained 97.7% of their charge after sitting idle for 10 days, a figure that, if independently confirmed, would represent a sharp ...

Two Bit da Vinci examines Donut Lab’s fifth test of its salt-based battery, focusing on its performance under extreme heat. The test revealed that the battery endured 50 cycles at 100°C with a ...

During CES 2026, Donut Lab claimed it had built a solid-state battery that promised unprecedented energy density, longevity, and charging performance. Skeptics demolished Donut Lab's claims, but the ...

Donut Lab’s latest solid-state battery prototype has undergone its third round of testing and the results have sparked a mix of optimism and concern. In this evaluation, the battery demonstrated 97.7% ...

This is a search field with an auto-suggest feature attached. There are no suggestions because the search field is empty. One of the announcements that caused a lot of fuss at CES 2026 this week was a ...

Ever since Donut Lab unveiled its solid-state battery, experts have questioned the startup's claims. Donut Lab has commissioned an independent lab to verify that its SSB technology is real, and the ...