This company claims a battery breakthrough. Now they need to prove it.

When a company claims to have created what’s essentially the holy grail of batteries, there are bound to be some questions. Interest has been swirling since Donut Lab, a Finnish company, announced last month that it had a new solid-state battery technology, one that was read...

🔗 Read more: https://www.technologyreview.com/2026/02/26/1133722/solid-state-batteries-donut-lab/

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