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Iron flow batteries

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GregLocock

GregLocock

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I had been following Vanadium flow batteries, but vanadium isn't exactly cheap, and apart from a few niches they haven't taken off.

Iron chloride, OTOH, is practically free (seawater+red soil). There's something of the order of 6 of these being built. They aren't amazingly cheap sadly, build cost is of the order of $50 per kWh, for a 12 hour system, (I think) but of course you just add more storage tanks to get more hours.

Cheers

Greg Locock


New here? Try reading these, they might help FAQ731-376
 
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