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, but key claims remain unproven.

Automakers and cell producers have recently doubled down on timelines for the commercial production of solid-state batteries. Some of the car giants jostling for pole position in this push include ...

The race to reinvent the electric vehicle battery just crossed a line that had existed mostly in lab demos and investor decks. A small Finnish outfit, Donut Lab, says it has moved solid-state cells ...

It's been a bumpy road on the way to the EV future so far, and automakers around the world are bracing for an "EV winter" of slower demand. Yet there are a few positives making news as well, like the ...

Explore the solid state vs lithium ion debate in this detailed battery technology comparison, highlighting differences in energy density, longevity, safety, and future energy storage potential.

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