this post was submitted on 05 Apr 2026
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I skipped the video and went straight to the source article
So "efficiency" means "range" and it's a confluence of multiple factors that allegedly allow sodium batteries to use more of the power they store and use their power more efficiently. The article notes that sodium batteries are still more expensive than lithium-ion, but pretty much every major EV maker on China has R&D programs on them at the moment, leading to speculation that the costs will converge around 2027 and allow this battery technology to take over commercially.
That's pretty impressive