Anti-soiling coating increases PV panel current in arid regions by 64.7%

Scientists in Egypt have created an anti-soiling coating for solar panels by mixing ethanol, deionized water, ammonium hydroxide and tetraethyl orthosilicate. They tested a coated panel outdoors for ten months and found that the panel showed a 64. 7% higher current compared to reference modules without coating. Researchers from the Port Said University in Egypt have developed a self-cleaning hydrophilic nano-coating that could be used to reduce soiling and increase power yield in PV systems located in arid regions. "Hydrophilic surfaces exhibit a water contact angle (WCA) of less than 90° and ...

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