Na-Ion can be a lot less expensive. But it’s a lot heavier. (Not a problem for grid-storage.)
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View all comments Have they eliminated the need for sodium to be molten in sodium batteries? If so, that’s great news!
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IIRC sodium is the -cathode- in the battery. No molten (RU thinking of reactors?)
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.
