JP2022058069A - 太陽電池及び太陽電池モジュール - Google Patents
太陽電池及び太陽電池モジュール Download PDFInfo
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- 238000002161 passivation Methods 0.000 claims abstract description 148
- 239000000758 substrate Substances 0.000 claims abstract description 83
- 239000004065 semiconductor Substances 0.000 claims abstract description 65
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 54
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 54
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 30
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 24
- 229910052710 silicon Inorganic materials 0.000 claims description 24
- 239000010703 silicon Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 17
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 17
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 17
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 12
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 27
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000002040 relaxant effect Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 411
- 239000010408 film Substances 0.000 description 40
- 230000031700 light absorption Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000002019 doping agent Substances 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 239000000969 carrier Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910001195 gallium oxide Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000651 laser trapping Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- -1 silver-aluminum Chemical compound 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
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Abstract
Description
対向して設置される第1の表面及び第2の表面を有する半導体基板と、
前記第1の表面に位置する第1の誘電体層と、
前記第1の誘電体層の表面に位置する第1のN+ドープ層と、
前記第1のN+ドープ層の表面に位置する第1のパッシベーション層及び/又は第1の反射防止層と、
前記第1のパッシベーション層及び/又は第1の反射防止層の表面に位置する第1の電極と、
前記第2の表面に位置する第2の誘電体層と、
前記第2の誘電体層の表面に位置する第1のP+ドープ層と、
前記第1のP+ドープ層の表面に位置する第2のパッシベーション層及び/又は第2の反射防止層と、
前記第2のパッシベーション層及び/又は第2の反射防止層の表面に位置する第2の電極と、を備える太陽電池を提供する。
前記第1の誘電体層の厚さが0.5nm~3nmである。
前記第1のN+ドープ層の厚さが5nm~30nmである。
前記第1のパッシベーション層及び/又は第1の反射防止層の厚さが70nm~180nmである。
前記第2の誘電体層の厚さが0.5nm~3nmである。
前記第1のP+ドープ層の厚さが80nm~300nmである。
前記第2のパッシベーション層及び/又は第2の反射防止層の厚さが70nm~180nmである。
前記第1のN+ドープ層の表面上における少なくとも1つの領域が前記第1の電極の領域に対応する。
前記第3の誘電体層の厚さが0.5nm~3nmである。
前記第1のN+ドープ層における少なくとも1つの領域が前記第1の電極の領域に対応する。
前記第1のP+ドープ層の表面上における少なくとも1つの領域が前記第2の電極の領域に対応する。
前記第4の誘電体層の厚さが0.5nm~3nmである。
前記第1のP+ドープ層における少なくとも1つの領域が前記第2の電極の領域に対応する。
対向して設置される第1の表面10及び第2の表面20を有する半導体基板と、
前記第1の表面10に位置する第1の誘電体層101と、
前記第1の誘電体層101の表面に位置する第1のN+ドープ層102と、
前記第1のN+ドープ層102の表面に位置する第1のパッシベーション層及び/又は第1の反射防止層103と、
前記第1のパッシベーション層及び/又は第1の反射防止層103の表面に位置する第1の電極104と、
前記第2の表面20に位置する第2の誘電体層201と、
前記第2の誘電体層201の表面に位置する第1のP+ドープ層202と、
前記第1のP+ドープ層202の表面に位置する第2のパッシベーション層及び/又は第2の反射防止層203と、
前記第2のパッシベーション層及び/又は第2の反射防止層203の表面に位置する第2の電極204と、を備える。
具体的に図1~図3に示すように、いくつかの実施例においては、太陽電池を提供し、該太陽電池は両面トンネル酸化膜パッシベーションコンタクトN型太陽電池であり、具体的に、N型半導体基板1を備え、
該N型半導体基板1は対向して設置される第1の表面10及び第2の表面20を有し、第1の表面10が半導体基板の正面であり、第2の表面20が前記半導体基板の裏面である。
該N型半導体基板1の裏面は順に第2の誘電体層201、第1のP+ドープ層202、第2のパッシベーション層及び/又は第2の反射防止層203、第2の電極204を含む。
図4~図6に示すように、いくつかの実施例においては、両面トンネル酸化膜パッシベーションコンタクトP型太陽電池である太陽電池を提供しており、具体的に、当該太陽電池は、P型半導体基板2を備え、
該P型半導体基板2は、対向して設置される第1の表面10及び第2の表面20を有し、第1の表面10が半導体基板の裏面であり、第2の表面20が前記半導体基板の正面である。
該P型半導体基板2の裏面には、順に第1の誘電体層101、第1のN+ドープ層102、第1のパッシベーション層及び/又は第1の反射防止層103、第1の電極104を含む。
2 P型半導体基板
10 第1の表面
20 第2の表面
101 第1の誘電体層
102 第1のN+ドープ層
103 第1のパッシベーション層及び/又は第1の反射防止層
104 第1の電極
105 第3の誘電体層
106 第2のN+ドープ層
107 増肉されたN+ドープ層領域
201 第2の誘電体層
202 第1のP+ドープ層
203 第2のパッシベーション層及び/又は第2の反射防止層
204 第2の電極
205 第4の誘電体層
206 第2のP+ドープ層
207 増肉されたP+ドープ層領域
Claims (20)
- 対向して設置される第1の表面及び第2の表面を有し半導体基板と、
前記第1の表面に位置する第1の誘電体層と、
前記第1の誘電体層の表面に位置する第1のN+ドープ層と、
前記第1のN+ドープ層の表面に位置する第1のパッシベーション層及び/又は第1の反射防止層と、
前記第1のパッシベーション層及び/又は第1の反射防止層の表面に位置する第1の電極と、
前記第2の表面に位置する第2の誘電体層と、
前記第2の誘電体層の表面に位置する第1のP+ドープ層と、
前記第1のP+ドープ層の表面に位置する第2のパッシベーション層及び/又は第2の反射防止層と、
前記第2のパッシベーション層及び/又は第2の反射防止層の表面に位置する第2の電極と、を備えることを特徴とする太陽電池。 - 前記第1の誘電体層は、酸化ケイ素、酸化ハフニウム、酸化チタン、窒化ケイ素、酸窒化ケイ素及び酸化アルミニウムのうちの少なくとも1つを含み、
前記第1の誘電体層の厚さが0.5nm~3nmである、請求項1に記載の太陽電池。 - 前記第1のN+ドープ層のドーピング濃度が5×1019~6×1020cm-3であり、
前記第1のN+ドープ層の厚さが5nm~30nmである、請求項1に記載の太陽電池。 - 前記第1のパッシベーション層及び/又は第1の反射防止層は、窒化ケイ素、酸化ケイ素、酸窒化ケイ素及び炭化ケイ素のうちの少なくとも1つを含み、
前記第1のパッシベーション層及び/又は第1の反射防止層の厚さが70nm~180nmである、請求項1に記載の太陽電池。 - 前記第2の誘電体層は、酸化ケイ素、酸化ハフニウム、酸化チタン、窒化ケイ素、酸窒化ケイ素及び酸化アルミニウムのうちの少なくとも1つを含み、
前記第2の誘電体層の厚さが0.5nm~3nmである、請求項1に記載の太陽電池。 - 前記第1のP+ドープ層のドーピング濃度が5×1019~6×1020cm-3であり、
前記第1のP+ドープ層の厚さが80nm~300nmである、請求項1に記載の太陽電池。 - 前記第2のパッシベーション層及び/又は第2の反射防止層は、窒化ケイ素、酸化ケイ素、酸窒化ケイ素及び炭化ケイ素のうちの少なくとも1つを含み、
前記第2のパッシベーション層及び/又は第2の反射防止層の厚さが70nm~180nmである、請求項1に記載の太陽電池。 - 前記半導体基板がN型半導体基板であり、前記第1の表面が前記半導体基板の正面であり、前記第2の表面が前記半導体基板の裏面である、請求項1~7のいずれか1項に記載の太陽電池。
- 前記第1のN+ドープ層の表面上における少なくとも1つの領域に更に第3の誘電体層及び第2のN+ドープ層が設置され、前記第1の電極が前記第1のパッシベーション層及び/又は第1の反射防止層を貫通して前記第2のN+ドープ層と接触し、
前記第1のN+ドープ層の表面上における少なくとも1つの領域が前記第1の電極の領域に対応する、請求項8に記載の太陽電池。 - 前記第3の誘電体層は、酸化ケイ素、酸化ハフニウム、酸化チタン、窒化ケイ素、酸窒化ケイ素及び酸化アルミニウムのうちの少なくとも1つを含み、
前記第3の誘電体層の厚さが0.5nm~3nmである、請求項9に記載の太陽電池。 - 前記第2のN+ドープ層の厚さが50nm~150nmである、請求項9に記載の太陽電池。
- 前記第1のN+ドープ層における少なくとも1つの領域には増肉されたN+ドープ層領域が設置され、前記第1の電極が前記第1のパッシベーション層及び/又は第1の反射防止層を貫通して前記増肉されたN+ドープ層領域と接触し、
前記第1のN+ドープ層における少なくとも1つの領域が前記第1の電極の領域に対応する、請求項8に記載の太陽電池。 - 前記増肉されたN+ドープ層領域の厚さが80nm~200nmである、請求項12に記載の太陽電池。
- 前記半導体基板がP型半導体基板であり、前記第1の表面が前記半導体基板の裏面であり、前記第2の表面が前記半導体基板の正面である、請求項1~7のいずれか1項に記載の太陽電池。
- 前記第1のP+ドープ層の表面上における少なくとも1つの領域に更に第4の誘電体層及び第2のP+ドープ層が設置され、前記第2の電極が前記第2のパッシベーション層及び/又は第2の反射防止層を貫通して前記第2のP+ドープ層と接触し、
前記第1のP+ドープ層の表面上における少なくとも1つの領域が前記第2の電極の領域に対応する、請求項14に記載の太陽電池。 - 前記第4の誘電体層は、酸化ケイ素、酸化ハフニウム、酸化チタン、窒化ケイ素、酸窒化ケイ素及び酸化アルミニウムのうちの少なくとも1つを含み、
前記第4の誘電体層の厚さが0.5nm~3nmである、請求項15に記載の太陽電池。 - 前記第2のP+ドープ層の厚さが50nm~150nmである、請求項15に記載の太陽電池。
- 前記第1のP+ドープ層における少なくとも1つの領域には増肉されたP+ドープ層領域が設置され、前記第2の電極が前記第2のパッシベーション層及び/又は第2の反射防止層を貫通して前記増肉されたP+ドープ層領域と接触し、
前記第1のP+ドープ層における少なくとも1つの領域が前記第2の電極領域に対応する、請求項14に記載の太陽電池。 - 前記増肉されたP+ドープ層領域の厚さが80nm~200nmである、請求項18に記載の太陽電池。
- 請求項1~19のいずれか1項に記載の太陽電池を複数備える太陽電池モジュールであって、前記複数の太陽電池の少なくとも一部がスプライシング又はシングリングの形式で接続されてパッケージ材料で封止されることを特徴とする太陽電池モジュール。
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JP6975368B1 (ja) | 2021-12-01 |
US20220102568A1 (en) | 2022-03-31 |
CN112201701B (zh) | 2024-05-03 |
US11588065B2 (en) | 2023-02-21 |
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