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New sodium-ion battery skips mechanical cooling with 97.9% efficiency (interestingengineering.com)
submitted 3 months ago by 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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[–] 4 points 3 months ago

i think the big issue is asymmetry. they charge at 3C, but they discharge at 8C. so you need the significantly overbuild.

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