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palmej2 t1_iwipxcx wrote

Reply to comment by Sp3llbind3r in Italian startup Energy Dome claims its CO2 grid storage batteries are cheaper than lithium-ion, and need no rare minerals, being made from just off-the-shelf steel components, water & CO2. It's opening its first 200 MWh facility in Sardinia in 2023 by lughnasadh

Yes, agree. But for a system such as this I think that would be common against all alternatives, the difference might be that the CO2 could allow for more capacity, or a reduced initial cost (making it more widely feasible) and potentially having additional future scalability benefits.

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