Energy
Donut Lab Solid-State Battery Survives 100C in Independent Test
Finland's VTT research center confirmed Donut Lab's solid-state cell gained capacity at extreme heat, but key claims on density and cycle life remain unverified.
Key Takeaways
- Cell delivered 110% of rated capacity at 80C in independent VTT testing
- Battery survived 100C discharge but lost pouch vacuum seal
- Claims of 400 Wh/kg density and 100,000 cycle life still unverified
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DT Editorial AI··via electrek.co