this post was submitted on 27 Dec 2025
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Google Deploying Huge CO2 Battery Facilities with Company Energy Dome (futurism.com)
submitted 2 days ago by heyWhatsay@slrpnk.net to c/technology@lemmy.world
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[–] booly@sh.itjust.works 2 points 16 hours ago

Or maybe use excess power to electrolyze water for fuel cell use later?

Hydrogen storage presents a lot of challenges, because it tends to leak at normal temperatures found on Earth. So we either tolerate a lot of loss during storage, or we use lots of energy chilling it to a temperature where it won't easily escape.