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 ...
Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...
The Finnish firm claims it has beaten the world’s largest carmakers and battery giants to commercializing solid-state cells ...
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