I’ve been hearing about these for a few years now. Huge if they work out at a large scale.

  • nanometer1625@thelemmy.club
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    2 days ago

    The article says that they contain NaCrO₂. That means that, by mass, they are 21% Na, 49% Cr, and 30% O. So I’m curious: why are they called sodium batteries, and not chromium batteries?