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송진호(Jinho Song),지홍섭(Hongsub Jee),문대한(Daehan Moon),김도형(Do-Heyong Kim),양오봉(O-Bong Yang),정채환(Chaehwan Jeong) 한국태양광발전학회 2019 Current Photovoltaic Research Vol.7 No.2
The high density module (HDM) has advantages for its larger active area and smaller current density. This new way of making a photovoltaic (PV) module method has benefit for increasing module power with the same installed area. Because HDM consisted with serially connected PV strings, loss of strings during the fabrication process can increase the overall production cost.1-2 This study investigates the rework conditions of the shingled strings with electrically conductive adhesives (ECA). By heating the electrically connected area of a fabricated string, cured area become soft and a string can be detached for the rework process. After rework process, a refabricated string showed 5~10% increased output power compared to before rework process and reached to the 90~95% output power compare to the undamaged strings.
투광형 실리콘 슁글드 태양광 모듈을 위한 타공형 스트링 제작
김한준(Han Jun Kim),박민준(Min-Joon Park),송진호(Jinho Song),정태웅(Taewung Jeong),문대한(Daehan Moon),정채환(Chaehwan Jeong) 한국태양광발전학회 2020 Current Photovoltaic Research Vol.8 No.4
Transparent photovoltaics (PV) are used in various applications such as building-integrated photovoltaics (BIPV). However, crystalline silicon (c-Si) is not used for developing transparent PV due to its opaque nature. Here. we fabficate the three holes in 6-inch c-Si solar cells using laser scribing process with an opening area ratio of about 6.8% for transparent c-Si solar modules. Moreover, we make the shingled strings using the perforated cells. Our 7 interconnected shingled string PV cells with 21 holes show a solar to power conversion of 5.721 W. In next work, we will fabricate a transparent c-Si PV module with perforated strings.