JP6285545B2 - 太陽電池素子および太陽電池モジュール - Google Patents
太陽電池素子および太陽電池モジュール Download PDFInfo
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Description
<太陽電池素子>
本実施形態に係る太陽電池素子10を図1〜4に示す。太陽電池素子10は、図3に示すように、主に光が入射する受光面である第1主面10aと、この第1主面10aの反対側に位置する一方主面(裏面)である第2主面10bと、側面10cとを有する。また、太陽電池素子10は、半導体基板としてシリコン基板1を備えている。シリコン基板1も第1主面1aと、この第1主面1aの反対側に位置する第2主面1bと、側面1cとを有する。シリコン基板1は、一導電型(例えばp型)半導体領域である第1半導体層2と、第1半導体層2における第1主面1a側に設けられた逆導電型(例えばn型)半導体領域である第2半導体層3とを有する。さらに、太陽電池素子10は、第3半導体層4、反射防止層5、第1電極6、第2電極7、第3電極8、パッシベーション層9および保護層11を備えている。
次に、太陽電池素子10の製造方法の各工程について、詳細に説明する。
次に、本発明をPERC(Passivated Emitter Rear Cell)型の太陽電池素子に適用した第2の実施形態について説明する。第1の実施形態と共通する部分については説明を省略する。
図6および図7に示すように、太陽電池素子10は保護層11の上に第3電極8が形成されている。さらに、パッシベーション層9の上、および保護層11が形成されていない、シリコン基板1の第2主面1bの上にも第3電極8が形成されている。このように、第3電極8はシリコン基板1の第2主面1bの略全面を覆うように形成されている。
第1の実施形態と同様の方法によって、第2半導体層3を備えたシリコン基板1の第2主面1b上にパッシベーション層9を形成し、パッシベーション層9の上に保護層11を形成する。
太陽電池モジュール20は、上述した太陽電池素子10を1つ以上備えている。太陽電池モジュール20は、例えば、互いに電気的に接続されている複数の太陽電池素子10を備えていればよい。このような太陽電池モジュール20は、単独の太陽電池素子10の電気出力が小さな場合に、複数の太陽電池素子10が例えば直列または並列に接続されることで形成される。そして、複数の太陽電池モジュール20が組み合わされることで、実用的な電気出力が取り出される。以下では、太陽電池モジュール20が、複数の太陽電池素子10を備えている一例を挙げて説明する。
図8および図9を用いて具体的な太陽電池モジュール20の製造方法について詳述する。まず、複数の太陽電池素子10を直並列に配置して、隣り合う太陽電池素子10同士を配線導体21によって電気的に接続する。例えば半田を用いた配線導体21の接続方法としては、半田ごて、ホットエアー、レーザーまたはパルスヒート等を用いることができる。このような方法によって、配線導体21は、出力取出電極6aおよび第2電極7に半田付けされる。
1a:第1主面
1b:第2主面
1c:側面
2 :第1半導体層(p型半導体領域)
3 :第2半導体層(n型半導体領域)
4 :第3半導体層
5 :反射防止層
6 :第1電極
6a:出力取出電極
6b:集電電極
7 :第2電極
8 :第3電極
9 :パッシベーション層
9a:第1パッシベーション層
9b:第2パッシベーション層
10 :太陽電池素子
10a:第1主面
10b:第2主面
10c:側面
11 :保護層
20 :太陽電池モジュール
21 :配線導体
22 :出力取出配線
23 :透明部材
24 :表側充填材
25 :裏側充填材
26 :裏側保護材
27 :枠体
28 :端子ボックス
Claims (7)
- 一方主面にp型半導体領域を有するシリコン基板と、
前記p型半導体領域の上に配置された、酸化アルミニウムを含む第1パッシベーション層と、
前記p型半導体領域と前記第1パッシベーション層との間に配置された、酸化シリコンを含む第2パッシベーション層と、
前記第1パッシベーション層の上に配置された、水素および炭素を含有している酸化シリコンを含む保護層と、を備え、
前記第2パッシベーション層の厚みは、前記保護層の厚みよりも小さく、前記第2パッシベーション層および前記保護層の合計の厚みは、前記第1パッシベーション層の厚みよりも小さい、太陽電池素子。 - 前記保護層は窒素をさらに含有している、請求項1に記載の太陽電池素子。
- 前記保護層は、水素濃度が1〜10原子%であり、かつ炭素濃度が1〜10原子%である、請求項1または請求項2に記載の太陽電池素子。
- 前記保護層の厚さが3〜15nmである、請求項1から請求項3のいずれか1つの請求項に記載の太陽電池素子。
- 前記保護層は、酸化シリコン層と、ジルコニウムおよびハフニウムのうち1種以上を含む1層以上の金属酸化物層とが積層された構造を有している、請求項1から請求項4のいずれか1つの請求項に記載の太陽電池素子。
- 前記シリコン基板の前記一方主面の反対側に位置する他方主面にn型半導体領域が配置されており、該n型半導体領域の上に窒化シリコン層が配置されている、請求項1から請求項5のいずれか1つの請求項に記載の太陽電池素子。
- 請求項1から請求項6のいずれか1つの請求項に記載の太陽電池素子を備えている太陽電池モジュール。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014111370 | 2014-05-29 | ||
| JP2014111370 | 2014-05-29 | ||
| JP2014132434 | 2014-06-27 | ||
| JP2014132434 | 2014-06-27 | ||
| PCT/JP2015/064717 WO2015182503A1 (ja) | 2014-05-29 | 2015-05-22 | 太陽電池素子およびその製造方法並びに太陽電池モジュール |
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| Publication Number | Publication Date |
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| JPWO2015182503A1 JPWO2015182503A1 (ja) | 2017-04-20 |
| JP6285545B2 true JP6285545B2 (ja) | 2018-02-28 |
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| JP2016523463A Active JP6285545B2 (ja) | 2014-05-29 | 2015-05-22 | 太陽電池素子および太陽電池モジュール |
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|---|---|
| US (1) | US20170077321A1 (ja) |
| EP (1) | EP3151286B1 (ja) |
| JP (1) | JP6285545B2 (ja) |
| CN (1) | CN106463548B (ja) |
| WO (1) | WO2015182503A1 (ja) |
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| EP3200237B1 (en) * | 2016-01-27 | 2020-10-07 | Lg Electronics Inc. | Solar cell |
| JP2017174925A (ja) * | 2016-03-23 | 2017-09-28 | シャープ株式会社 | 光電変換素子 |
| WO2017187623A1 (ja) * | 2016-04-28 | 2017-11-02 | 三菱電機株式会社 | 太陽電池の製造方法および太陽電池 |
| EP3493272B1 (en) * | 2016-07-28 | 2022-04-27 | Kyocera Corporation | Solar cell element and method for manufacturing solar cell element |
| WO2018061703A1 (ja) * | 2016-09-29 | 2018-04-05 | パナソニックIpマネジメント株式会社 | 太陽電池モジュール |
| KR101896777B1 (ko) | 2016-10-06 | 2018-09-07 | 현대자동차주식회사 | 내습성이 향상된 배리어 필름의 제조방법 및 이에 의해 제조된 배리어 필름 |
| EP3618124B1 (en) | 2017-04-27 | 2022-12-14 | Kyocera Corporation | Solar battery element and solar battery element manufacturing method |
| JP6863853B2 (ja) | 2017-07-27 | 2021-04-21 | 京セラ株式会社 | 太陽電池素子および太陽電池モジュール |
| JP7483345B2 (ja) * | 2019-10-11 | 2024-05-15 | 京セラ株式会社 | 太陽電池モジュール |
| CN112531074A (zh) * | 2020-11-20 | 2021-03-19 | 浙江爱旭太阳能科技有限公司 | 背面钝化太阳能电池及其制备方法 |
| CN112802910B (zh) * | 2021-02-09 | 2025-04-29 | 通威太阳能(成都)有限公司 | 一种高效硅异质结太阳能电池及其制备方法 |
| US20230009077A1 (en) * | 2021-07-09 | 2023-01-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | Contact structures in semiconductor devices |
| US20230411540A1 (en) * | 2022-06-16 | 2023-12-21 | Taiwan Semiconductor Manufacturing Company Limited | Semiconductor device and method of making |
| CN115765628A (zh) * | 2022-11-29 | 2023-03-07 | 福建金石能源有限公司 | 一种真空镀膜测试用衬底以及真空镀膜的测试方法 |
| CN116995134A (zh) * | 2023-05-16 | 2023-11-03 | 天合光能股份有限公司 | 太阳能电池的制作方法 |
| CN116613229A (zh) | 2023-06-25 | 2023-08-18 | 晶科能源股份有限公司 | 光伏组件 |
| CN118782663B (zh) * | 2024-09-12 | 2024-12-06 | 通威太阳能(成都)有限公司 | 太阳电池及光伏组件 |
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| JP2006261434A (ja) * | 2005-03-17 | 2006-09-28 | L'air Liquide Sa Pour L'etude & L'exploitation Des Procede S Georges Claude | シリコン酸化膜の形成方法 |
| CN101488529A (zh) * | 2008-01-16 | 2009-07-22 | 财团法人工业技术研究院 | 太阳能电池的钝化层结构及其制造方法 |
| US20100263721A1 (en) * | 2009-04-20 | 2010-10-21 | Electronics And Telecommunications Research Institute | Transparent solar cell |
| EP3806165B1 (en) * | 2009-09-18 | 2023-11-29 | Shin-Etsu Chemical Co., Ltd. | Solar cell and method for manufacturing solar cell |
| US20130330936A1 (en) * | 2011-02-07 | 2013-12-12 | Technische Universiteit Eindhoven | METHOD OF DEPOSITION OF Al2O3/SiO2 STACKS, FROM ALUMINIUM AND SILICON PRECURSORS |
| JP5570654B2 (ja) * | 2011-03-31 | 2014-08-13 | 京セラ株式会社 | 太陽電池素子および太陽電池モジュール |
| EP2533305A3 (en) * | 2011-06-06 | 2014-05-21 | Imec | Method for blister-free passivation of a silicon surface |
| US8668277B2 (en) * | 2011-08-04 | 2014-03-11 | Michael E. Santana | Expandable shield |
| US20130220410A1 (en) * | 2011-09-07 | 2013-08-29 | Air Products And Chemicals, Inc. | Precursors for Photovoltaic Passivation |
| JP5848454B2 (ja) * | 2012-08-24 | 2016-01-27 | 京セラ株式会社 | 太陽電池素子 |
| CN104064622A (zh) * | 2013-03-21 | 2014-09-24 | 晶科能源有限公司 | 一种抗电势诱导衰减的太阳能电池片及其制作方法 |
| WO2015006247A1 (en) * | 2013-07-07 | 2015-01-15 | Solexel, Inc. | Surface passivation of high-efficiency crystalline silicon solar cells |
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| US20170077321A1 (en) | 2017-03-16 |
| CN106463548A (zh) | 2017-02-22 |
| JPWO2015182503A1 (ja) | 2017-04-20 |
| EP3151286A4 (en) | 2018-01-03 |
| EP3151286B1 (en) | 2021-12-08 |
| EP3151286A1 (en) | 2017-04-05 |
| WO2015182503A1 (ja) | 2015-12-03 |
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