개발목표: 계획- 초경량 CIGS 박막 태양전지 제작을 위한 저온 흡수층 제작 공정 기술 개발 정량적 목표항목 및 달성도: 1. 기판 밀도 : 1.4 g/cm3 2. 흡수층 공정 온도 : 415 ℃ 3. 흡수층 결정 크기 : > 1μm 4. 에너지 변환 효율 : 11.22 % 5. 최대 셀레늄 증착 속도 : > 10nm/sec 6. 증착 균일도 :< 2% 기대효과: ◦ CIGS 저온 증착공정 기술, 초경량 유연기판 CIGS 셀 핵심기술 확보 ◦ BIPV용 모듈 생산 기반기술 확보 ◦ 초경량 CIGS 박막 태양전지는 가볍고 부피가 작아 보관 및 운송이 용이하므로 물류비용 역시 대폭 절감될 것으로 예상됨 ◦ 곡면이 많은 차량용으로 초경량 유연기판 CIGS 박막 태양전지를 탑재하여 연비를 개선하고 나아가 전기 자동차의 조기 상용화에도 도움을 줄 수 있을 것임 ◦ 기술경쟁력을 우위로 한 수출산업화가 가능할 것으로 예상됨. ◦ 국내 CIGS 박막 양산 업체들의 경우 장비 국산화를 통해 채산성 및 가격 경쟁력을 확보가 가능할 것으로 기대됨 적용분야: ◦ 건물의 커튼이나 blind, 건물일체형 BIPV 모듈 (주택 및 건물의 외벽), 유휴지의 야외 태양광 차양, 선박이나 우주선의 전원, 가벼운 전원을 필요로 하는 노트북, 휴대폰 등 포터블 기기(portable devices)의 전원
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