New design for photovoltaic-thermal panels mitigates risk of cracking

Researchers in Sweden have developed a new PVT module using an aluminum alloy structure between the thermal absorber and the photovoltac cells. This architecture reportedly reduces thermal expansion by 20%, thus increasing the chances of mitigating cracks in the PV unit. An international research team has proposed a novel photovoltaic-thermal (PVT) module design that purportedly reduces significantly the risks of cracking in the panel's PV unit. "A critical issue for PVT collectors is cell cracking, mainly caused by thermal expansion during the heat transfer process between PV cells and the thermal ...

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