orberto
orberto t1_iwlfs51 wrote
Reply to comment by waylandsmith 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
I believe that would be lithium.
orberto t1_iwm3ie9 wrote
Reply to comment by waylandsmith 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
Coolio. Thanks for reading up so I don't have to! What is the answer to the original question then?