JP2020072271A - 太陽電池モジュール及びその製造方法 - Google Patents
太陽電池モジュール及びその製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 claims description 47
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- 229910000679 solder Inorganic materials 0.000 claims description 30
- 239000012792 core layer Substances 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 17
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- 238000004904 shortening Methods 0.000 claims description 10
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- 239000011347 resin Substances 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910008433 SnCU Inorganic materials 0.000 description 1
- 229910007116 SnPb Inorganic materials 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-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
- 239000000969 carrier Substances 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910021480 group 4 element Inorganic materials 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000003100 immobilizing effect 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
- 238000010030 laminating Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
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Abstract
Description
分割された太陽電池を複数の配線材で接続するとき、隣接した二つの太陽電池の間隔を以前より減らし太陽電池パネルのサイズが大きくなることを防止することにある。
P = VI(W)
Q = P/S(W/mm2)
Claims (20)
- 長軸と短縮を有し、前面に配置された第1電極と後面に配置された第2電極を含みから構成され、第1方向に沿って配置された複数本の太陽電池と、
前記複数本の太陽電池の内、隣接した第1太陽電池の第1電極と第2太陽電池の第2電極に接続された複数本の配線材と
を含み、
前記複数本の太陽電池それぞれは、前記第1方向に一側の第1側面と他側に前記第1側面より表面粗さが粗い第2側面と、後面に前記第2側面に隣接して形成された突出部を含み、
前記第1太陽電池と、前記第2太陽電池は、0.5(mm)〜1.5(mm)の間隔を置いて配置され、前記第2太陽電池の第1側面と前記第1太陽電池の第2側面が向き合うように配置された太陽電池モジュール。 - 前記複数の太陽電池は、
半導体基板と、
前記半導体基板の前面で形成され、前記半導体基板の伝導性と反対の第1導電型を有する第1導電型領域と、
前記半導体基板と同じ第2導電型を有し、前記半導体基板の後面に形成された第2導電型領域、
を含む、請求項1に記載の太陽電池モジュール。 - 前記突出部は、前記第2導電型領域上に形成された、請求項2に記載の太陽電池モジュール。
- 前記複数本の配線材の端部は、前記第1方向に前記第2太陽電池の後面から前記突出部に隣接して配置された、請求項1に記載の太陽電池モジュール。
- 前記第2電極は、互いに平行な複数のフィンガーラインと、前記フィンガーラインに電気的に接続され、前記第1方向に沿って位置する複数のパッド部を含み、
前記複数本の配線材端部は、前記第1方向に前記複数のパッド部の内、前記第2太陽電池の突出部に最も近くに配置された最外郭のパッドに接合された、請求項4に記載の太陽電池モジュール。 - 前記複数本の配線材の厚さは、270(μm)〜320(μm)である、請求項1に記載の太陽電池モジュール。
- 前記複数本の配線材は、金属のコア層と、前記コア層の表面を包みながらはんだ物質を含みから形成されたはんだ層を含み、
前記コア層の厚さは240〜280(μm)である、請求項6に記載の太陽電池モジュール。 - 前記配線材は、ワイヤ形状である、請求項7に記載の太陽電池モジュール。
- 前記複数本の配線材の数は、8〜12個である、請求項6に記載の太陽電池モジュール。
- 前記短縮は、前記長軸の2/1サイズである、請求項6に記載の太陽電池モジュール。
- 母太陽電池のいずれかの一面にレーザーを照射して、前記母太陽電池を複数本の太陽電池に分割するステップと、
前記複数本の太陽電池は、長軸と短縮を有し、前面に配置された第1電極と後面に配置された第2電極を含みから構成され、
前記複数本の太陽電池を第1方向に沿って配置するステップと、
前記複数本の太陽電池の内、隣接した第1太陽電池の第1電極と第2太陽電池の第2電極に複数本の配線材を接続するステップと
を含み、
前記複数本の太陽電池それぞれは、前記第1方向に一側の第1側面と他側に第1側面よりも表面粗さが粗い第2側面と、後面に前記第2側面に隣接して形成された突出部を含み、
前記第1太陽電池と、前記第2太陽電池は、0.5(mm)〜1.5(mm)の間隔を置いて配置され、前記第2太陽電池の第1側面と前記第1太陽電池の第2側面が向き合うように配置された太陽電池モジュールの製造方法。 - 前記複数本の太陽電池は、
半導体基板と、
前記半導体基板の前面に形成され、前記半導体基板の導電性と反対の第1導電型を有する第1導電型領域と、
前記半導体基板と同じ第2導電型を有し、前記半導体基板の後面に形成された第2導電型領域、
を含む、請求項11に記載の太陽電池モジュールの製造方法。 - 前記突出部は、前記第2導電型領域上に形成された、請求項12に記載の太陽電池モジュールの製造方法。
- 前記複数本の配線材の端部は、前記第1方向に前記第2太陽電池の後面から前記突出部に隣接して配置された、請求項11に記載の太陽電池モジュールの製造方法。
- 前記第2電極は、互いに平行な複数のフィンガーラインと、前記フィンガーラインに電気的に接続され、前記第1方向に沿って位置する複数のパッド部を含み、
前記複数本の配線材の端部は、前記第1方向に前記複数のパッド部の内、前記第2太陽電池の突出部に最も近くに配置された最外郭のパッドに接合された、請求項14に記載の太陽電池モジュールの製造方法。 - 前記複数本の配線材の厚さは、270(μm)〜320(μm)である、請求項1に記載の太陽電池モジュールの製造方法。
- 前記複数本の配線材は、金属のコア層と、前記コア層の表面包みながらはんだ物質を含みから形成されたはんだ物質を含み、
前記コア層の厚さは240〜280(μm)である、請求項16に記載の太陽電池モジュールの製造方法。 - 前記配線材は、ワイヤ形状である、請求項17に記載の太陽電池モジュールの製造方法。
- 前記複数本の配線材の数は、8〜12個である、請求項16に記載の太陽電池モジュールの製造方法。
- 前記短縮は、前記長軸の2/1サイズである、請求項16に記載の太陽電池モジュールの製造方法。
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