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Sodium ion batteries
Last discussed Aug 15, 2026
A battery technology using sodium instead of lithium as the charge carrier, potentially much cheaper due to sodium's abundance on Earth.
Recently discussed in
200GW Hiding in Grid, Sodium Batteries 10x Cheaper, Wave-Powered Datacenters w/ Ramez Naam | EP #280
Ramez Naam · Aug 15, 2026
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RN
Ramez Naam
mentioned
Used for: Grid-scale energy storage; powering solar-plus-battery data centers
Praised: Could drop battery costs by a factor of 10; sodium is much more common on Ear...
vs: Compared to lithium ion batteries which have been dominant; sodium is more ab...
"New technologies like sodium ion batteries could drop the cost of batteries by a factor of 10. And even now we already have the very first solar plus battery load power plants and they're affordable."
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