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FellowConspirator t1_isz689l wrote

Reply to comment by John-pala in Salient Energy zinc-ion battery passes UL safety testing by DukeOfGeek

The zinc batteries have a volumetric energy density of 100 Wh/L, compared to, say, 450 Wh/L for the NMC lithium battery in a Tesla. you need 4.5x as much physical space to hold the same amount of energy.

That may not be a dealbreaker for many applications. Replace a Powerwall with a dorm-fridge sized one of these in your basement or garage and you’d probably be just as happy (and happier still if it’s cheap).

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DukeOfGeek OP t1_iszhycj wrote

Also can't burn. It's even less of an issue if you are bolting them to the ground at a wind farm where land is dirt cheap.

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