#Donut Lab

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A modern electric car charging at a sleek station with a split screen showing the chemical structure

Next-Gen Energy: Sodium-Ion Batteries and Solid-State Breakthrough Claims

Sodium-ion batteries are recognized as a 2026 breakthrough for grid storage, while Finnish startup Donut Lab's solid-state battery claims face scientific skepticism.

Kenji·Feb 26, 2026·5 min read

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