JP2017224814A - 太陽電池モジュール - Google Patents
太陽電池モジュール Download PDFInfo
- Publication number
- JP2017224814A JP2017224814A JP2017113373A JP2017113373A JP2017224814A JP 2017224814 A JP2017224814 A JP 2017224814A JP 2017113373 A JP2017113373 A JP 2017113373A JP 2017113373 A JP2017113373 A JP 2017113373A JP 2017224814 A JP2017224814 A JP 2017224814A
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- Prior art keywords
- substrate
- solar cell
- compound semiconductor
- cell module
- adhesive
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/541—CuInSe2 material PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/543—Solar cells from Group II-VI materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/544—Solar cells from Group III-V materials
Abstract
Description
Claims (20)
- 少なくとも1つの光吸収層を含む化合物半導体基板と、前記化合物半導体基板の前面に位置する第1電極部と、前記化合物半導体基板の後面に位置し、一部が前記化合物半導体基板の端部外側に延長された第2電極部と、前記第2電極部の後面の方向に位置する絶縁基板と、前記絶縁基板と前記第2電極部を接合する絶縁性接着剤をそれぞれ備える複数の化合物半導体太陽電池と、
複数の化合物半導体太陽電池の内で互いに隣り合った第1化合物半導体太陽電池を第2化合物半導体太陽電池と互いに電気的に接続する導電性接続材と、
前記導電性接続材を、第1化合物半導体及び第2化合物半導体太陽電池に接合し、低温硬化型ペーストを含む導電性接着剤と、
前記複数の化合物太陽電池の第1側に位置する第1基板と、前記複数の化合物太陽電池の第2側に位置する第2基板を含む、太陽電池モジュール。 - 前記低温硬化型ペーストは、180℃以下の温度で硬化する樹脂と前記樹脂内に分散された複数の導電性粒子を含み、
前記樹脂は、エポキシ系またはシリコン系樹脂を含み、前記導電性粒子は、Ag、SnBi、Ni、及びCuの中から選ばれた少なくとも一つを含む、請求項1に記載の太陽電池モジュール。 - 前記絶縁基板は、10μm乃至300μmの厚さを有するポリマーを含む、請求項1に記載の太陽電池モジュール。
- 前記第2電極部の一部は、前記化合物半導体基板の端部外側に0.1mm乃至5mm延長される、請求項1に記載の太陽電池モジュール。
- 前記導電性接着剤は、前記第1化合物半導体太陽電池の第1電極部と前記導電性接続材を接合する第1接着剤と、前記第1化合物半導体太陽電池の第2電極部と前記導電性接続材を接合する第2接着剤を含み、前記第1接着剤の厚さ及び幅の内、少なくとも一つは、前記第2接着剤の厚さまたは幅と異なるように形成される、請求項1に記載の太陽電池モジュール。
- 前記導電性接続材は、ベースフィルムと、前記ベースフィルムの第1面を覆う導電性金属部を含み、前記導電性金属部は、前記導電性接続材によって前記第1電極部及び前記第2電極部と接合される、請求項5に記載の太陽電池モジュール。
- 前記ベースフィルムは、光透過性の材質を含み、前記導電性金属部は反射性金属膜を含み、
前記ベースフィルムは50μm乃至300μmの厚さを有するペット(polyethylene terephthalate:PET), ポリイミド(polyimide:PI)、及びペン(polyethylene naphthalate:PEN)の内、少なくとも1つを含み、前記反射性金属膜はAg及びAlの、少なくとも1つを含む、請求項6に記載の太陽電池モジュール。 - 前記第1基板と前記第2基板との間に位置し、前記複数の化合物太陽電池を封止するシール材と、
前記第2基板の内面に位置する光反射性コーティング層をさらに含む、請求項5に記載の太陽電池モジュール。 - 前記第1基板と前記第2基板との間に位置する内部空間をさらに含み、
前記内部空間には空気または不活性ガスが満たされる、請求項5に記載の太陽電池モジュール。 - 隣接した2つの太陽電池間の空間に位置し前記第1基板と第2基板の間隔を維持するスペーサをさらに含み、
前記化合物半導体太陽電池は、前記第2基板の内面に位置する接着剤により前記第2基板の内面に接合される、請求項9に記載の太陽電池モジュール。 - 前記第2基板の内面に位置する光反射性コーティング層をさらに含む、請求項10に記載の太陽電池モジュール。
- 前記第1基板と前記第2基板の枠の部分に位置するシール材をさらに含み、
前記シール材は、前記第1基板の内面と前記第2基板の内面に接合され、吸湿剤を含むTPS(Thermoplastic spacer)と、前記第1基板の内面と前記第2基板の内面に接合され、前記TPSを囲むシリコン(silicone)を含む、請求項5に記載の太陽電池モジュール。 - 前記第2基板の内面に位置する光反射性コーティング層をさらに含む、請求項12に記載の太陽電池モジュール。
- 前記導電性接続材は、金属箔を含む、請求項5に記載の太陽電池モジュール。
- 前記第1基板と前記第2基板との間に位置し、
ペット(polyethylene terephthalate:PET)、ポリオレフィン(polyolefin:PO), IONOMER, ポリブチラール(polyvinyl butyral:PVB), 及びシリコンの内、少なくとも一つを含む、シール材と、
前記第2基板の内面に位置する、光反射性コーティング層をさらに含む、請求項14に記載の太陽電池モジュール。 - 前記第1基板と前記第2基板との間に位置する内部空間をさらに含み、
前記内部空間には空気または不活性ガスが満たされる、請求項14に記載の太陽電池モジュール。 - 隣接した2つの太陽電池間の空間に位置し、前記第1基板と前記第2基板の間隔を維持するスペーサをさらに含み、
前記化合物半導体太陽電池は、前記第2基板の内面に位置する接着剤により前記第2基板の内面に接合される、請求項16に記載の太陽電池モジュール。 - 前記第2基板の内面に位置する光反射性コーティング層をさらに含む、請求項17に記載の太陽電池モジュール。
- 前記第1基板と前記第2基板の枠の部分に位置するシール材をさらに含み、
前記シール材は前記第1基板の内面と前記第2基板の内面に接合され、吸湿剤を含むTPS(Thermoplastic spacer)と、前記第1基板の内面と前記第2基板の内面に接合され、前記TPSを囲むシリコン(silicone)を含む、請求項14に記載の太陽電池モジュール。 - 前記第2基板の内面に位置する光反射性コーティング層をさらに含む、請求項19に記載の太陽電池モジュール。
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