JP2007227577A - 光起電力装置およびその製造方法 - Google Patents
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Abstract
【解決手段】この光起電力装置1は、基板2と、開溝部3cにより分離された基板側電極3aおよび3bと、光電変換ユニット4と、導電性を有する中間層5を介して形成された光電変換ユニット6と、開溝部7dにより分離された背面電極7aおよび7bと、中間層5を切断するように形成された開溝部20bと、開溝部20bに埋め込まれた絶縁部材8と、開溝部20aと開溝部20bとの間の領域に形成された開溝部20cと、開溝部20c内に露出された基板側電極3aの表面に接触するように埋められるとともに、絶縁部材8を跨いで背面電極7bに電気的に接続される接続電極9とを備えている。
【選択図】図1
Description
図1は、本発明の第1実施形態による光起電力装置の構成を示した断面図である。まず、図1を参照して、本発明の第1実施形態による光起電力装置の構成について説明する。
図8は、本発明の第2実施形態による光起電力装置の構成を示した断面図である。図8を参照して、この第2実施形態では、上記第1実施形態とは異なり、基板側電極3aと背面電極7bとがシリコン溶融物22と接続電極23とにより電気的に接続された光起電力装置21について説明する。
2 基板
3 基板側電極
3a 基板側電極(第1基板側電極)
3b 基板側電極(第2基板側電極)
3c 開溝部(第1開溝部)
4 光電変換ユニット(第1光電変換部)
4a、5a、6a、7c、20c 開溝部(第4開溝部)
4b、5b、6b、7d、20a 開溝部(第2開溝部)
4c、5c、6c、7e、20b 開溝部(第3開溝部)
5 中間層
6 光電変換ユニット(第2光電変換部)
7 背面電極
7a 背面電極(第1背面電極)
7b 背面電極(第2背面電極)
8 絶縁部材(第1絶縁部材)
9 接続電極(導電性部材)
10 絶縁部材(第2絶縁部材)
22 シリコン溶融物(溶融部、導電性部材)
23 接続電極(接続部、導電性部材)
Claims (5)
- 絶縁性表面を有する基板と、
前記基板の絶縁性表面上に形成され、第1開溝部により分離された第1基板側電極および第2基板側電極と、
前記第1基板側電極および前記第2基板側電極を覆うように形成された第1光電変換部と、
前記第1光電変換部の表面上に導電性を有する中間層を介して形成された第2光電変換部と、
前記第2光電変換部の表面上に形成され、前記第1基板側電極および前記第2基板側電極にそれぞれ対応する第1背面電極および第2背面電極と、
前記第1背面電極と前記第2背面電極とを電気的に分離するための第2開溝部と、
前記第1開溝部と前記第2開溝部との間の領域において、前記第2背面電極の上面から少なくとも前記中間層を切断するように形成された第3開溝部と、
前記第3開溝部内に、少なくとも前記中間層の切断部を覆うように埋め込まれた第1絶縁部材と、
前記第2開溝部と前記第3開溝部との間の領域において、前記第1基板側電極に電気的に接続されるとともに、前記第3開溝部を跨いで前記第2背面電極に電気的に接続される導電性部材とを備える、光起電力装置。 - 前記第2開溝部と前記第3開溝部との間の領域において、前記第2背面電極、前記第2光電変換部、前記中間層および前記第1光電変換部を貫通するとともに、前記第1基板側電極の表面を露出するように形成された第4開溝部をさらに備え、
前記導電性部材は、前記第4開溝部内に露出された前記第1基板側電極の表面に接触するように前記第4開溝部に埋められるとともに、前記第3開溝部内に埋め込まれた前記第1絶縁部材を跨いで前記第2背面電極に電気的に接続されるように形成されている、請求項1に記載の光起電力装置。 - 前記導電性部材は、前記第2開溝部と前記第3開溝部との間の領域に、前記第2背面電極、前記第2光電変換部、前記中間層および前記第1光電変換部を溶融させることにより得られ、前記第1基板側電極に電気的に接続される導電性を有する溶融部と、前記溶融部と電気的に接続されるとともに、前記第3開溝部内に埋め込まれた前記第1絶縁部材を跨いで前記第2背面電極に電気的に接続されるように形成された接続部とを含む、請求項1に記載の光起電力装置。
- 前記第2開溝部内に埋め込むように形成された第2絶縁部材をさらに備える、請求項1〜3のいずれか1項に記載の光起電力装置。
- 絶縁性表面を有する基板の前記絶縁性表面上に基板側電極を形成する工程と、
前記基板側電極に第1開溝部を形成することによって、前記第1開溝部により分離された第1基板側電極および第2基板側電極を形成する工程と、
前記第1基板側電極および前記第2基板側電極を覆うように第1光電変換部を形成する工程と、
前記第1光電変換部の表面上に導電性を有する中間層を介して第2光電変換部を形成する工程と、
前記第2光電変換部の表面上に背面電極を形成する工程と、
その後、前記背面電極を第1背面電極および第2背面電に分離するための第2開溝部を形成するとともに、前記第1開溝部と前記第2開溝部との間の領域において、前記第2背面電極の上面から少なくとも前記中間層を貫くように第3開溝部を形成する工程と、
前記第3開溝部内に、少なくとも前記中間層の切断部を覆うように第1絶縁部材を形成する工程と、
前記第2開溝部と前記第3開溝部との間の領域において、前記第1基板側電極に電気的に接続されるとともに、前記第3開溝部を跨いで前記第2背面電極に電気的に接続される導電性部材を形成する工程とを備える、光起電力装置の製造方法。
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JP2006046083A JP5081389B2 (ja) | 2006-02-23 | 2006-02-23 | 光起電力装置の製造方法 |
US11/705,770 US8207441B2 (en) | 2006-02-23 | 2007-02-14 | Photovoltaic apparatus and method of manufacturing the same |
CN2007100788236A CN101026174B (zh) | 2006-02-23 | 2007-02-15 | 半导体装置及其制造方法 |
EP07250625A EP1826830A3 (en) | 2006-02-23 | 2007-02-15 | Photovoltaic apparatus and method of manufacturing the same |
CN2010100033454A CN101794794B (zh) | 2006-02-23 | 2007-02-15 | 光电动势装置 |
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JP2010278441A (ja) * | 2009-05-26 | 2010-12-09 | Korea Iron & Steel Co Ltd | 集積型薄膜太陽電池及びその製造方法 |
KR101173418B1 (ko) | 2011-07-29 | 2012-08-10 | 엘지이노텍 주식회사 | 태양전지 및 이의 제조방법 |
US8362354B2 (en) | 2007-07-09 | 2013-01-29 | Sanyo Electric Co., Ltd. | Photovoltaic apparatus and method of manufacturing the same |
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Also Published As
Publication number | Publication date |
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EP1826830A3 (en) | 2010-02-24 |
CN101794794B (zh) | 2011-12-28 |
US20070193619A1 (en) | 2007-08-23 |
JP5081389B2 (ja) | 2012-11-28 |
US8207441B2 (en) | 2012-06-26 |
CN101026174A (zh) | 2007-08-29 |
EP1826830A2 (en) | 2007-08-29 |
CN101026174B (zh) | 2010-05-26 |
CN101794794A (zh) | 2010-08-04 |
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