Since announcing earlier this year that it was on the cusp of a major battery breakthrough, Finnish startup Donut Lab has faced a lot of questions, and plenty of skepticism, about its production-ready, solid-state battery. Could the company really make a fast-charging battery at scale while avoiding some of the theoretical production headaches that have stymied past efforts? Today, Donut Lab sought to dispel some of the doubts with the release of the first independent test of its battery, evaluating its charging speed and the “thermal behavior” of its pack.
The test, which was conducted by state-owned VTT Technical Research Centre of Finlan …
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