Firms are exploring sodium batteries as an alternative to lithium(www.economist.com)

posted 1 year ago

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

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2 points

1 year ago

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

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1 point

1 year 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.

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