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New sodium ion battery stores twice the energy and desalinates seawater
(www.sciencedaily.com)
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this post was submitted on 25 Feb 2026
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Sodium ion has the same "energy density", but lower density because of its honeycomb structure.
This story is actually about a sodium-vanadium wet battery, not sodium ion. NaVn batteries are a wet flow battery that have been around for a while, they are intended for stationary power use.