Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.
Interesting Engineering on MSN
Donut Lab’s solid-state battery keeps 97.7% charge after 10 days in third test
Finnish startup Donut Lab has just released the third independent test of its solid-state ...
VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...
The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.
In February 2026, the solid-state battery industry accelerated its transition from pilot-scale trials to mass production, with sulphide electrolytes becoming the primary technological focus, and the ...
Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...
In the fast-evolving world of industrial lithium batteries, extending cycle life—the number of charge and discharge cycles a battery can endure before significant degradation occurs—is one of the key ...
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.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results