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InsideEVs

Technology

Donut Lab's Latest Solid-State Battery Test Proves It Isn't A Supercapacitor

Donut Donut Lab InsideEVs

Finnish startup Donut Lab released its third independent test result Monday, the latest in a series of weekly rollouts related to what it claims is the world's first production-ready all-solid-state battery. This time, the test takes aim at a specific question: Is the Donut battery actually a supercapacitor in disguise?

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One subscription that gives you access to news from hundreds of sites

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USS Lincoln carrier to return to port in San Diego after record-breaking deployment – US politics live

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