JP2020161702A - 太陽電池セルの製造方法および割断用太陽電池セル - Google Patents
太陽電池セルの製造方法および割断用太陽電池セル Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims abstract description 73
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims description 23
- 238000005520 cutting process Methods 0.000 claims description 19
- 238000010248 power generation Methods 0.000 abstract description 11
- 230000007423 decrease Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract 1
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- 238000007789 sealing Methods 0.000 description 17
- 230000001681 protective effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 238000000608 laser ablation Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000005240 physical vapour deposition Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
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- 238000004140 cleaning Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
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- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
図1は、割断用太陽電池セル1000の構造を示す上面図である。図1に示すように、x軸、y軸、z軸を含む直交座標系が規定される。x軸、y軸は、割断用太陽電池セル1000の平面内において互いに直交する。z軸は、x軸およびy軸に垂直であり、割断用太陽電池セル1000の厚み方向に延びる。また、x軸、y軸、z軸のそれぞれの正の方向は、図1における矢印の方向に規定され、負の方向は、矢印と逆向きの方向に規定される。割断用太陽電池セル1000を形成する2つの主表面であって、かつx−y平面に平行な2つの主表面のうち、z軸の正方向側に配置される主平面が受光面であり、z軸の負方向側に配置される主平面が裏面である。以下では、z軸の正方向側を「受光面側」と呼び、z軸の負方向側を「裏面側」と呼ぶこともある。
図4(a)−(c)は、太陽電池セル10を含む太陽電池モジュール50の構造を示す。図4(a)は、太陽電池モジュール50の受光面側からの平面図である。太陽電池モジュール50では、太陽電池パネル60の周囲を囲むようにフレームが取り付けられる。太陽電池パネル60は、太陽電池セル10と総称される第11太陽電池セル10aa、・・・、第44太陽電池セル10dd、ストリング間配線材22、ストリング端配線材24、セル間配線材26を含む。
Claims (10)
- 半導体基板の表面に溝部を形成するステップと、
前記溝部が形成された前記半導体基板の前記表面に透明導電膜層を形成するステップとを備え、
前記溝部の側面の少なくとも一部には、前記透明導電膜層の未成膜領域が形成される、
太陽電池セルの製造方法。 - 前記溝部の底面にも前記透明導電膜層が形成される、
請求項1に記載の太陽電池セルの製造方法。 - 前記透明導電膜層を形成するステップの前に、前記溝部が形成された前記半導体基板の前記表面に非晶質半導体層を形成するステップをさらに備え、
前記溝部の底面にも前記非晶質半導体層が形成される、
請求項1または2に記載の太陽電池セルの製造方法。 - 前記溝部の側面の少なくとも一部にも前記非晶質半導体層が形成される、
請求項3に記載の太陽電池セルの製造方法。 - 前記非晶質半導体層を形成するステップの前に、前記半導体基板の前記表面と、前記溝部とにテクスチャを形成するステップをさらに備える、
請求項3または4に記載の太陽電池セルの製造方法。 - 前記溝部の底面に割断溝を形成するステップと、
前記割断溝に沿って割断するステップと、
をさらに備える請求項1から5のいずれか1項に記載の太陽電池セルの製造方法。 - 前記表面が第1面であり、前記半導体基板における前記第1面と反対を向いた第2面に割断溝を形成するステップと、
前記割断溝に沿って割断するステップと、
をさらに備える請求項1から5のいずれか1項に記載の太陽電池セルの製造方法。 - 半導体基板と、
前記半導体基板の表面に配置される溝部と、
前記半導体基板の表面と前記溝部の底面とに少なくとも配置される非晶質半導体層と、
前記半導体基板の表面と前記溝部の底面とにおいて、前記非晶質半導体層に重ねて配置される透明導電膜層とを備え、
前記溝部の側面の少なくとも一部には、前記透明導電膜層の未成膜領域が配置される、
割断用太陽電池セル。 - 前記溝部の側面の少なくとも一部にも前記非晶質半導体層が配置される、
請求項8に記載の割断用太陽電池セル。 - 前記半導体基板は、前記溝部の底面にテクスチャ構造を有する、請求項8または9に記載の割断用太陽電池セル。
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JP2019061114A JP7278831B2 (ja) | 2019-03-27 | 2019-03-27 | 太陽電池セルの製造方法および割断用太陽電池セル |
US16/831,537 US11257968B2 (en) | 2019-03-27 | 2020-03-26 | Method of manufacturing solar cell and splittable solar cell for manufacturing solar cell from splittable solar cell that can be split |
CN202010227378.0A CN111755562B (zh) | 2019-03-27 | 2020-03-27 | 太阳能电池单元的制造方法以及切割用太阳能电池单元 |
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CN113380926B (zh) * | 2021-06-11 | 2023-02-10 | 安徽华晟新能源科技有限公司 | 异质结太阳能电池片的制造方法及异质结太阳能电池片 |
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