this post was submitted on 17 Jan 2025
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Weirdly it’s not, except maybe gravity batteries where nice reservoirs happen to exist already. It should be but it’s not right now.
Li-ion has economy of scale right now. I do think molten metal etc will overtake eventually, but they’re currently playing catchup and li-ion has dropped in price so much over time that it’s surprisingly cheap even where it should make no sense.
I didn't say molten metal, what? No just a standard chemical battery
I know, I just threw out one of the many contenders for grid power.
Iron water does look promising too.
Ahh, that makes more sense. I misunderstood
soooo, dams?
Dams are a normally a power supply rather than a battery. I was more thinking pumped storage hydro. Which is usually done where theres 2 lakes next to each other at very different heights, so you can “store” power by pumping water up and release by pumping back down.