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양면수광형(Bifacial) 태양광 모듈을 위한 고투과도 PV(Photovoltaic) 백쉬트의 연구
박지수(Jisoo Park),노은섭(Eun-Seob Noh),윤종국(Jong-Kuk Yoon),박종세(Jong-Se Park),장현태(Hyun-Tae Jang),최재호(Jaeho Choi),구경완(Kyung-Wan Koo) 대한전기학회 2019 전기학회논문지 Vol.68 No.2
PV module protective film plays an important role in protecting the solar cell from external environment by anti-hydrolysis polyester, UV resistance and mechanical properties. The backsheet was manufactured by using Roll-to-Roll dry laminating process. Recently, various research and evaluations have been conducted in order to increase the generation power output of solar panel. In this study, we have experimented the basic properties of the coating type outer layer and inner layer materials for high tranparency for UV and visible light spectrum ranges in order for the bifacial solar panel. Long-term environment weatherability tests were conducted for confirming 25 year reliability in the field such as PCT, UV, and power efficiency degradations in case of application of bifacial solar module. As the evaluation result, high transparent coating type protection film can be available to bifacial solar panel by using UV-cut PVDF coating layer and high reliability primer layer.
고열전도도 MgO를 이용한 열전도성 PV(PhotoVoltaic) 백시트의 연구
김창희(Chang-Hee Kim),장현태(Hyun-Tae Jang),박종세(Jong-Se Park),윤종국(Jong-Kuk Yoon),노은섭(Eun-Seob Noh),박지수(Ji-Soo Park),구경완(Kyung-Wan Koo) 대한전기학회 2018 전기학회논문지 Vol.67 No.3
PV module protective film plays an important role in protecting the solar cell from external environment by anti-hydrolysis polyester, UV resistance and mechanical properties. The backsheet was manufactured by using Roll-to-Roll dry laminating process. The backsheet structure is composed of 3 layers, which are PE, PET, and Fluorine polymer films. In this study, we have experimented the variation of thermal conductivities depending on MgO inputs 10% to 25% in order to confirm the dependence of the module efficiencies. High thermal conductive backsheet can increase the module output power efficiency because the heat is dissipated by spreading out the internal heat. Long-term environment weatherability tests were conducted for confirming 25 year reliability in the field such as PCT, UV, and power efficiency degradations. As the evaluation result, high thermal conductivity can be effective for increase of power efficiency of solar panel by using thermal conductive MgO masterbatch.