Hygroscopic hydrogel may increase solar module yield by 2.1%

Researchers in China have found that a special type of hygroscopic hydrogel made of the polyacrylamide polymer and lithium chloride may reduce PV module temperature by up to 7. 5%. They have also developed a mathematical model to analyze the operational mechanisms and factors responsible for the cooling performance. Scientists from the South China University of Technology have developed a passive solar module cooling technology that utilizes a hygroscopic hydrogel as the cooling agent. Hygroscopic hydrogels are a new type of sorbent materials that offer extreme water uptakes, efficient water capture ...

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