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 ...

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?

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 ...

From Monday onward, Donut Lab stirred up lots of excitement and lots of skepticism among battery experts by unveiling a production-ready, allegedly all-solid-state battery, claiming it's the first for ...

Brittle, microscopic metal filaments called dendrites are now firmly established as a primary driver of lithium-ion and solid-state battery failure, according to a growing body of peer-reviewed ...