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 ...

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

Donut Lab battery validation adds a 10-day room-temperature retention figure of 97.7%, while energy density and weight data remain absent.

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

Finnish technology company Donut Lab has published the results of its third test measuring the properties of its solid-state battery. The test evaluated the ...

For nearly two decades, two-dimensional (2D) semiconductors have been studied as a complement or possible successor to silicon transistors, promising smaller, faster and more energy-efficient ...

CNET, the trusted authority for tech reviews and analysis, reveals CNET Lab Awards, a new awards program based entirely on its proprietary product testing insights, equipping readers with vital, ...

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 ...

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