frominsideevs.com
9 hours agoDonut Lab's Latest Solid-State Battery Test Proves It Isn't A Supercapacitor
When the Finnish startup unveiled its battery at the Consumer Electronics Show in January, the specifications shocked the battery industry. How could an unknown company leapfrog Toyota, Factorial, and CATL in the solid-state race? The startup claimed 400 watt-hours per kilogram of energy density, a 100,000-cycle lifespan and a charge time of roughly five minutes.
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