KR20200023301A - 고효율 이면전극형 태양전지 및 그 제조방법 - Google Patents
고효율 이면전극형 태양전지 및 그 제조방법 Download PDFInfo
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- KR20200023301A KR20200023301A KR1020197038090A KR20197038090A KR20200023301A KR 20200023301 A KR20200023301 A KR 20200023301A KR 1020197038090 A KR1020197038090 A KR 1020197038090A KR 20197038090 A KR20197038090 A KR 20197038090A KR 20200023301 A KR20200023301 A KR 20200023301A
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Abstract
Description
도 2는 본 발명에 따른 태양전지의 제조방법의 일 예를 나타내는 도면이다.
도 3은 본 발명에 따른 태양전지의 이면구조의 일 형태를 나타내는 도면이다.
도 4는 본 발명에 따른 태양전지 모듈의 일 형태를 나타내는 도면이다.
도 5는 본 발명에 따른 태양광발전시스템의 일 형태를 나타내는 도면이다.
도 6은 종래의 이면전극형 태양전지의 기본구조를 나타내는 도면이다.
Claims (9)
- 결정 실리콘기판의 제1 주표면에, p형의 도전형을 갖는 p형 영역과, n형의 도전형을 갖는 n형 영역을 가지며, 상기 p형 영역 상에 형성된 양전극과, 상기 n형 영역 상에 형성된 음전극을 구비하는 이면전극형 태양전지로서,
상기 양전극이, 상기 p형 영역 상에 형성되고, III족원소를 포함하는 제1 도전체와, 이 제1 도전체 상에 적층되고, 상기 제1 도전체보다 III족원소의 함유비율이 낮은 제2 도전체와의 적층도전체로 이루어지는 것이며,
상기 음전극이, 상기 n형 영역 상에 형성된 상기 제2 도전체로 이루어지는 것을 특징으로 하는 태양전지. - 제1항에 있어서,
상기 제1 도전체가, 은을 주성분으로 하는 것을 특징으로 하는 태양전지. - 제1항에 있어서,
상기 제1 도전체가, 알루미늄을 주성분으로 하는 것을 특징으로 하는 태양전지. - 제1항 내지 제3항 중 어느 한 항에 있어서,
추가로, 상기 p형 영역과 상기 n형 영역의 상기 양전극 및 상기 음전극이 형성되어 있지 않은 표면에 형성된 패시베이션막을 구비하는 것을 특징으로 하는 태양전지. - 제1항 내지 제4항 중 어느 한 항에 기재된 태양전지를 전기적으로 접속하여 이루어지는 것을 특징으로 하는 태양전지 모듈.
- 제5항에 기재된 태양전지 모듈을 전기적으로 복수개 접속하여 이루어지는 것을 특징으로 하는 태양전지 발전시스템.
- 결정 실리콘기판의 제1 주표면에 p형의 도전형을 갖는 p형 영역 및 n형의 도전형을 갖는 n형 영역을 형성하는 공정과,
상기 p형 영역 상에 III족원소를 포함하는 제1 도전체를 형성하는 공정과,
이 제1 도전체 상과 상기 n형 영역 상의 양방에 상기 제1 도전체보다 III족원소의 함유비율이 낮은 제2 도전체를 형성하는 공정
을 포함하고,
상기 제1 도전체를 형성하는 공정과 상기 제2 도전체를 형성하는 공정에 의해, 상기 제1 도전체와 상기 제2 도전체의 적층도전체로 이루어지는 양전극과, 상기 제2 도전체로 이루어지는 음전극을 형성하는 것을 특징으로 하는 태양전지의 제조방법. - 제7항에 있어서,
상기 제1 도전체를 형성하는 공정과 상기 제2 도전체를 형성하는 공정은, 전극제를 스크린 인쇄 또는 디스펜싱 형성하는 스텝을 포함하는 것을 특징으로 하는 태양전지의 제조방법. - 제7항 또는 제8항에 있어서,
추가로, 상기 제1 도전체를 형성하는 공정과 상기 제2 도전체를 형성하는 공정보다 전에, 상기 p형 영역과 상기 n형 영역의 표면에 패시베이션막을 형성하는 공정을 포함하고,
상기 제1 도전체를 형성하는 공정에 있어서, 상기 패시베이션막을 개재하여 상기 p형 영역 상에 III족원소를 포함하는 상기 제1 전극제를 도포하고,
상기 제2 도전체를 형성하는 공정에 있어서, 이 제1 전극제 상과 상기 패시베이션막을 개재한 상기 n형 영역 상의 양방에 상기 제1 전극제보다 III족원소의 함유비율이 낮은 제2 전극제를 도포하고,
상기 제2 도전체를 형성하는 공정의 후에, 상기 제1 전극제와 상기 제2 전극제를 소결함으로써, 상기 양전극과 상기 음전극을 형성하는 것을 특징으로 하는 태양전지의 제조방법.
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| PCT/JP2018/017615 WO2019003638A1 (ja) | 2017-06-26 | 2018-05-07 | 高効率裏面電極型太陽電池及びその製造方法 |
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| JP2019009312A (ja) | 2019-01-17 |
| CN110800114B (zh) | 2023-04-28 |
| MY201464A (en) | 2024-02-24 |
| EP3648175A1 (en) | 2020-05-06 |
| TWI753179B (zh) | 2022-01-21 |
| EP3648175B1 (en) | 2023-02-15 |
| TW201907450A (zh) | 2019-02-16 |
| WO2019003638A1 (ja) | 2019-01-03 |
| KR102563642B1 (ko) | 2023-08-04 |
| EP3648175A4 (en) | 2021-03-24 |
| US11984522B2 (en) | 2024-05-14 |
| JP6741626B2 (ja) | 2020-08-19 |
| ES2942985T3 (es) | 2023-06-08 |
| US20210143291A1 (en) | 2021-05-13 |
| CN110800114A (zh) | 2020-02-14 |
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