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submitted 11 months ago by kalkulat@lemmy.world to c/technology@lemmy.world

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Na-Ion can be a lot less expensive. But it's a lot heavier. (Not a problem for grid-storage.)

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[-] kalkulat@lemmy.world 2 points 11 months ago

IIRC sodium is the -cathode- in the battery. No molten (RU thinking of reactors?)

[-] threelonmusketeers@sh.itjust.works 1 points 11 months ago

I'm not thinking of reactors, though I am aware that molten sodium is used as a coolant fluid. It seems that I was remembering an off-hand comment in a MinutePhysics video from a few years ago. Molten sodium batteries do exist, but regular sodium batteries also exist.

this post was submitted on 06 Nov 2023

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