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Grid-Scale Bubble Batteries Will Soon Be Everywhere (spectrum.ieee.org)

submitted 18 hours ago by kalkulat@lemmy.world to c/technology@lemmy.world

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"This giant bubble on the island of Sardinia holds 2,000 tonnes of carbon dioxide. But the gas wasn’t captured from factory emissions, nor was it pulled from the air. It came from a gas supplier.... "The facility compresses and expands CO2 daily in its closed system, turning a turbine that generates 200 megawatt-hours of electricity, or 20 MW over 10 hours."

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[–] Chippys_mittens@lemmy.world 1 points 7 hours ago* (last edited 7 hours ago)

Are you saying that if there was a thermal battery in neighborhood you wouldnt need pumps? You know how a fucking thermal battery works? You realize most of the central heating systems you're talking about heated the water by using coal plants to send super heated steam to them right? Where did you think that hot water came from? You're an idiot and people like you are part of the reason this goes so slow.