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Tag: Exowatt

Exowatt aims to repurpose old tech to deal with new AI power demand

Large-scale energy storage today is dominated by lithium-ion batteries, which use an electrochemical reaction to pack away and discharge power. Exowatt, instead, stores solar energy in a thermal battery (a fancy term for a hot brick) that can hold its energy for up to 24 hours. Humans have been storing heat energy in hot materials for millennia; manufacturers … Continue reading “Exowatt aims to repurpose old tech to deal with new AI power demand”