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

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When Donut Lab first announced its solid-state battery earlier this year, there was some speculation around whether the Finnish startup had actually produced a supercapacitor, which is a much shorter-term form of electrical storage. Supercapacitors can charge and discharge quickly, similar to Donut Lab's claimed solid-state battery. But supercapacitors are totally different from batteries in terms of energy storage capacity and long-term use. Was Donut Lab's battery actually just a supercapacitor in disguise?

The startup says no, and it has the independent test results to prove it. The test, which was yet again conducted by state-owned VTT …

Read the full story at The Verge.



source https://www.theverge.com/transportation/891310/donut-lab-solid-state-battery-supercapacitor-test-result

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