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Wrap Through 태양전지의 효율 향상을 위한 Hole 가공과 열처리 기술
홍근기(Hong, Keun-Kee),이대종(Lee, Dae-Jong),정우원(Jung, Woo-Won),이홍구(Lee, Hong-Gu),현덕환(Hyun, Deoc-Hwan),양병기(Yang, Byung-Ki),이성은(Lee, Seong-Eun),조재억(Cho, Jae-Eock),홍정의(Hong, Jeong-Eui) 한국태양에너지학회 2013 한국태양에너지학회 학술대회논문집 Vol.2013 No.4
In contrast to the conventional crystalline, back-contact solar cells feature high efficiencies, simpler module assembly, and better aesthetics. The highest commercialized cell and module efficiency is recorded by n-type back-contact solar cells. However, the mainstream PV industry uses p-type substrate instead of n-type due to high costs and complexity of manufacturing processes. Therefore p-type back-contact solar cells such as metal wrap-through and emitter wrap-through which are low cost and compatible with current PV industry have been developed. In this paper, we studied for hole formation process and firing process of EWT solar cells, status and prospects for development of EWT solar cell will be discussed.