"During the day, we use the heat from the sun to drive a chemical reaction which separates a chemical refrigerant from a chemical absorbent. And then at night, the reaction runs in reverse," said Jinny Rhee, the engineering professor in charge of the project. "When the refrigerant gets reabsorbed, it gets very, very cold."
From Wired Science.
I see a different application for this though. Solar Air-conditioning. Cheep or free cooling from the sun. This would be a boon for the tropical areas such as Townsville.
Generate refrigerant during the day, Cool Water at Night, Use the water the next day to cool the home.
Interesting Idea, and could save a lot of energy.
Cheers L.
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