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Google invests in carbon dioxide battery for renewable energy storage

Google has announced that it has signed a global commercial partnership with Milan-based startup Energy Dome.

The deal, its first investment in LDES tech, entails using Energy Dome's carbon dioxide battery for the grids that power Google’s operations around the world. Batteries are used to keep excess energy generated by renewable sources, such as solar and wind, during peak production and when demand is low. When there's excess renewable energy being generated, the batteries use that power to compress the carbon dioxide gas inside them into liquid.

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