JPWO2010098293A1 - 薄膜化合物太陽電池の製造方法 - Google Patents
薄膜化合物太陽電池の製造方法 Download PDFInfo
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Abstract
Description
2 エッチングストップ層
3 コンタクト層
4 エミッタ層
5 ベース層
6 バッファ層
7 裏面電極
8 裏面フィルム
9 補強材
10 第1の保護膜
11 第2の保護膜
12 第3の保護膜
13 表面電極
Claims (11)
- 組成の異なる複数の化合物半導体層によって少なくとも1つのPN接合が形成されたセル本体を有する薄膜化合物太陽電池の製造方法であって、基板側からエッチング液の染み込みを押さえるエッチングストップ層、コンタクト層、第1の導電型の化合物半導体からなるエミッタ層、前記エミッタ層とPN接合を形成するベース層、バッファ層を形成して、セル本体を作成する工程と、化合物半導体側表面上に裏面電極を形成する工程と、裏面電極を焼成する工程と、裏面電極上に基材を形成する工程と、基材上に補強材を取り付ける工程と、セル本体から基板を分離する工程と、分離されたセル本体の露出面に表面電極を形成する工程と、補強材を剥離する工程と、表面電極を焼成する工程とを備えたことを特徴とする薄膜化合物太陽電池の製造方法。
- 表面電極の焼成後に、複数の太陽電池素子に分離する工程と、各電極に金属リボンを接続する工程とを備えたことを特徴とする請求項1記載の薄膜化合物太陽電池の製造方法。
- セル本体は、基板側に積層されたエッチングストップ層およびコンタクト層を有し、基板を分離した後にセル本体からエッチングストップ層を除去する工程と、コンタクト層を所定のパターンにエッチングする工程と、セル本体をメサエッチングする工程とを備え、メサエッチング後のコンタクト層上に表面電極を形成することを特徴とする請求項1または2記載の薄膜化合物太陽電池の製造方法。
- セル本体は、基板側に積層されたエッチングストップ層およびコンタクト層を有し、基板を分離した後にセル本体からエッチングストップ層を除去する工程と、セル本体をメサエッチングする工程と、コンタクト層上に表面電極を形成した後に、コンタクト層をエッチングする工程とを備えたことを特徴とする請求項1または2記載の薄膜化合物太陽電池の製造方法。
- 基材は、表面電極の焼成温度以上の耐熱性を有する材料とされたことを特徴とする請求項1〜4のいずれかに記載の薄膜化合物太陽電池の製造方法。
- 基材は、フィルム状のポリイミドとされたことを特徴とする請求項5記載の薄膜化合物太陽電池の製造方法。
- ポリイミドフィルムは樹脂状のポリイミドを塗布、焼成することによって形成されることを特徴とする請求項6記載の薄膜化合物太陽電池の製造方法。
- ポリイミドフィルムはポリイミド前駆体であるポリアミック酸の溶液を塗布、焼成することによって形成されることを特徴とする請求項6記載の薄膜化合物太陽電池の製造方法。
- ポリイミドフィルムの厚さは15μm以下であることを特徴とする請求項6〜8のいずれかに記載の薄膜化合物太陽電池の製造方法。
- 少なくとも1つのPN接合が形成された化合物半導体層と、該化合物半導体層の一方の表面に形成された表面電極と、前記化合物半導体層の他方の表面に形成されたポリイミドフィルムと、前記化合物半導体層とポリイミドフィルムに挟持された裏面電極とを有することを特徴とする薄膜化合物太陽電池。
- 化合物半導体層がエピタキシャル成長による単結晶薄膜からなることを特徴とする請求項10記載の薄膜化合物太陽電池。
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US8912617B2 (en) * | 2011-10-27 | 2014-12-16 | Solar Junction Corporation | Method for making semiconductor light detection devices |
US9263611B2 (en) | 2011-11-17 | 2016-02-16 | Solar Junction Corporation | Method for etching multi-layer epitaxial material |
JP5840544B2 (ja) * | 2012-03-21 | 2016-01-06 | シャープ株式会社 | 薄膜化合物太陽電池およびその製造方法 |
WO2014002824A1 (ja) * | 2012-06-26 | 2014-01-03 | シャープ株式会社 | 薄膜太陽電池セルおよびその製造方法 |
JP2014017366A (ja) * | 2012-07-09 | 2014-01-30 | Sharp Corp | 薄膜化合物太陽電池セルおよびその製造方法 |
US9142615B2 (en) | 2012-10-10 | 2015-09-22 | Solar Junction Corporation | Methods and apparatus for identifying and reducing semiconductor failures |
DE112016004374T5 (de) * | 2015-09-28 | 2018-06-14 | Sharp Kabushiki Kaisha | Dünnschicht-Verbindungshalbleiter-Photovoltaikzelle, Verfahren zum Herstellen einer Dünnschicht-Verbindungshalbleiter-Photovoltaikzelle, Dünnschicht-Verbindungshalbleiter-Photovoltaikzellenanordnung und Herstellungsverfahren hierfür |
JP2019057536A (ja) * | 2017-09-19 | 2019-04-11 | 株式会社東芝 | 太陽電池、多接合型太陽電池、太陽電池モジュール及び太陽光発電システム |
JP6834007B2 (ja) | 2018-01-29 | 2021-02-24 | 株式会社東芝 | 太陽電池、多接合型太陽電池、太陽電池モジュール及び太陽光発電システム |
CN112349796A (zh) * | 2019-08-06 | 2021-02-09 | 东泰高科装备科技有限公司 | 砷化镓电池及其制备方法 |
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2010
- 2010-02-22 EP EP10746174.1A patent/EP2403003B1/en not_active Not-in-force
- 2010-02-22 US US13/202,678 patent/US20110303281A1/en not_active Abandoned
- 2010-02-22 JP JP2011501582A patent/JP5554772B2/ja not_active Expired - Fee Related
- 2010-02-22 WO PCT/JP2010/052655 patent/WO2010098293A1/ja active Application Filing
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2013
- 2013-10-23 US US14/060,985 patent/US9070819B2/en not_active Expired - Fee Related
Also Published As
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EP2403003A4 (en) | 2013-06-05 |
EP2403003B1 (en) | 2018-10-03 |
JP5554772B2 (ja) | 2014-07-23 |
EP2403003A1 (en) | 2012-01-04 |
US9070819B2 (en) | 2015-06-30 |
US20140051205A1 (en) | 2014-02-20 |
US20110303281A1 (en) | 2011-12-15 |
WO2010098293A1 (ja) | 2010-09-02 |
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