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Donut Lab says latest test proves its solid-state battery isn’t a supercapacitor

Donut Lab confirms its battery is not a supercapacitor.

Donut Lab has released test results confirming that its solid-state battery is not a supercapacitor, as previously speculated. Conducted by VTT Technical Research Centre, the test demonstrated that the battery retained 97.7% of its energy after 10 days of inactivity, countering claims that its rapid discharge characteristics were indicative of a supercapacitor. The startup aims to clarify misconceptions about its technology, which boasts impressive specifications including 400 watt-hours per kilogram and a lifespan of 100,000 cycles.

Key Takeaways

1.
Donut Lab's battery retained 97.7% of its energy after 10 days of inactivity.
2.
The battery is claimed to deliver 400 watt-hours per kilogram, surpassing current lithium-ion batteries.
3.
Donut Lab's battery is designed to last 100,000 cycles, compared to 1,500 to 3,000 for lithium-ion.

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