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Deep & Emerging Tech·July 15, 2026·1 min read

A Chinese scientist built a sodium battery that charges in 4 minutes. It could break China’s 75% lithium dependence.

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A 4-minute charging sodium metal battery that chips away at China’s 75% lithium dependence is a strategic materials play as much as a tech one. EV and grid players should start scenario-planning around a world where sodium undercuts lithium on both cost and geopolitics.