JP7245380B1 - 太陽電池、光起電力モジュールおよび太陽電池の製造方法 - Google Patents
太陽電池、光起電力モジュールおよび太陽電池の製造方法 Download PDFInfo
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- 230000008569 process Effects 0.000 description 9
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- 239000000243 solution Substances 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000007517 polishing process Methods 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000009102 absorption Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 2
- 229910021424 microcrystalline silicon Inorganic materials 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- KTSFMFGEAAANTF-UHFFFAOYSA-N [Cu].[Se].[Se].[In] Chemical compound [Cu].[Se].[Se].[In] KTSFMFGEAAANTF-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
Description
Claims (12)
- 対向する表面及び裏面を有し、前記裏面が、テクスチャエリアと、前記テクスチャエリアに隣接する平坦エリアとを含むベースと、
前記ベースの表面に形成されたエミッタと、
前記エミッタの前記ベースから離れた面に位置するフロントパッシベーション層と、
前記ベースの裏面の平坦エリアに位置するトンネル誘電体層と、
前記トンネル誘電体層の前記ベースの裏面から離れた面に位置するドープ導電層であって、前記ドープ導電層はドーピング元素を有し、前記ドープ導電層内のドーピング元素の種類が前記ベース内のドーピング元素の種類と同一であるドープ導電層と、
前記ドープ導電層の表面に位置するバックパッシベーション層と、
前記エミッタと接触する表面電極と、
裏面電極であって、前記裏面電極の底面の一部が前記ドープ導電層内に位置し、かつ前記テクスチャエリアにおけるベースが前記トンネル誘電体層を貫通して前記裏面電極の底面の一部と接触している裏面電極と、
を備える、
ことを特徴とする太陽電池。
- 前記テクスチャエリアにおけるベース内に、ドーピング表面フィールドを有し、かつ前記ドーピング表面フィールド内にドーピング元素を有し、前記ドーピング元素は、N型またはP型である、
ことを特徴とする請求項1に記載の太陽電池。 - 前記ドーピング表面フィールドは、少なくとも1つの突起構造を含み、前記突起構造の頂部の前記ベースの裏面からの高さの差は、2μm~10μmである、
ことを特徴とする請求項2に記載の太陽電池。 - 前記突起構造の数は、少なくとも2つであり、隣り合う前記突起構造の間のピッチは、2μm~4μmである、
ことを特徴とする請求項3に記載の太陽電池。 - 前記突起構造は、ピラミッド状構造を含む、
ことを特徴とする請求項4に記載の太陽電池。 - 同一の前記裏面電極において、前記ドーピング表面フィールドと前記裏面電極との接触面面積と、前記ドープ導電層と前記裏面電極との接触面面積との比は、1:2~2:1の範囲である、
ことを特徴とする請求項2に記載の太陽電池。 - 同一の前記裏面電極において、前記裏面電極の配列方向に沿って、前記ドーピング表面フィールドと前記裏面電極との接触面の断面幅と、前記裏面電極の幅との比は、1:4~1:2の範囲である、
ことを特徴とする請求項2に記載の太陽電池。 - 前記ドーピング表面フィールドと前記裏面電極との接触面の断面幅は、5μm~20μmの範囲である、
ことを特徴とする請求項7に記載の太陽電池。 - 前記裏面電極の配列方向において、前記テクスチャエリアにおけるベースの幅と前記平坦エリアにおけるベースの幅との比は、1:3~1:1の範囲である、
ことを特徴とする請求項1に記載の太陽電池。 - 前記テクスチャエリアにおけるベースの幅は、10μm~30μmである、
ことを特徴とする請求項1に記載の太陽電池。 - 同一の前記裏面電極において、前記裏面は、前記裏面電極の配列方向に沿って配列された複数のテクスチャエリアを含み、
隣り合う前記テクスチャエリア間のピッチは、5μm~20μmの範囲である、
ことを特徴とする請求項1に記載の太陽電池。 - 請求項1~11のいずれか1項に記載の太陽電池を複数接続してなる少なくとも1つのセルストリングと、
前記セルストリングの表面を覆うシーラントフィルムと、
前記シーラントフィルムの前記セルストリングから離反した面を覆うカバープレートと、を備える、
ことを特徴とする光起電力モジュール。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN202210377277.0A CN115148828B (zh) | 2022-04-11 | 2022-04-11 | 太阳能电池、光伏组件及太阳能电池的制备方法 |
CN202210377277.0 | 2022-04-11 | ||
JP2022108833A JP7148753B1 (ja) | 2022-04-11 | 2022-07-06 | 太陽電池、光起電力モジュールおよび太陽電池の製造方法 |
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JP2022108833A Division JP7148753B1 (ja) | 2022-04-11 | 2022-07-06 | 太陽電池、光起電力モジュールおよび太陽電池の製造方法 |
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