this post was submitted on 09 Aug 2026

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New sodium-ion battery skips mechanical cooling with 97.9% efficiency (interestingengineering.com)

submitted 3 months ago by Return_of_Chippy@lemmy.world to c/technology@lemmy.world

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

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[–] Blue_Morpho@lemmy.world 5 points 3 months ago (1 child)

Googling says 175 whr/kg for catls sodium car battery that's already in production cars vs 270 whr/kg for Tesla's lithium.

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[–] AlteredEgo@lemmy.ml 2 points 3 months ago

Probably numbers for the raw cell though, not the balancing and cooling which could make sodium a bit more competitive.

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