this post was submitted on 24 Oct 2026
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Italy Stores Grid Power in Giant CO2 Domes [Closed loop critical point CO2 compression battery, currently 200 MWh] (engineerine.com)
submitted 2 days ago by haerrii@feddit.org to c/technology@lemmy.world
8 comments fedilink hide all child comments
 

Found this on another "social" network - and thought I'd share with you, as I think the principle is pretty intriguing.

The article itself reads a bit sloppy - but explains what's going on quite well imo.

On the sun-drenched Mediterranean island of Sardinia, in the industrial zone of Ottana, rises a colossal, gleaming white elliptical bladder structure that looks like an indoor sports stadium or a terrestrial space habitat. Instead of

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[–] fullsquare@awful.systems 5 points 2 days ago

vapor pressure of liquid carbon dioxide at whatever temperature storage tanks happen to be. wiki tells me it's 60 atm at 22C and 40 atm at 6C, so not that much in grand scheme of things