JP4155361B2 - シート状集光器及びこれを用いた太陽電池シート - Google Patents
シート状集光器及びこれを用いた太陽電池シート Download PDFInfo
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- JP4155361B2 JP4155361B2 JP2006537711A JP2006537711A JP4155361B2 JP 4155361 B2 JP4155361 B2 JP 4155361B2 JP 2006537711 A JP2006537711 A JP 2006537711A JP 2006537711 A JP2006537711 A JP 2006537711A JP 4155361 B2 JP4155361 B2 JP 4155361B2
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
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- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
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- IYMZEPRSPLASMS-UHFFFAOYSA-N 3-phenylpyrrole-2,5-dione Chemical compound O=C1NC(=O)C(C=2C=CC=CC=2)=C1 IYMZEPRSPLASMS-UHFFFAOYSA-N 0.000 description 1
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- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
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- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
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- MAHPNPYYQAIOJN-UHFFFAOYSA-N azimsulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)C=2N(N=CC=2C2=NN(C)N=N2)C)=N1 MAHPNPYYQAIOJN-UHFFFAOYSA-N 0.000 description 1
- AOJOEFVRHOZDFN-UHFFFAOYSA-N benzyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC1=CC=CC=C1 AOJOEFVRHOZDFN-UHFFFAOYSA-N 0.000 description 1
- GCTPMLUUWLLESL-UHFFFAOYSA-N benzyl prop-2-enoate Chemical compound C=CC(=O)OCC1=CC=CC=C1 GCTPMLUUWLLESL-UHFFFAOYSA-N 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
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- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- 239000010954 inorganic particle Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
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- 239000006082 mold release agent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- QIWKUEJZZCOPFV-UHFFFAOYSA-N phenyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1=CC=CC=C1 QIWKUEJZZCOPFV-UHFFFAOYSA-N 0.000 description 1
- WRAQQYDMVSCOTE-UHFFFAOYSA-N phenyl prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1 WRAQQYDMVSCOTE-UHFFFAOYSA-N 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
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- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000009823 thermal lamination Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- RYSQYJQRXZRRPH-UHFFFAOYSA-J tin(4+);dicarbonate Chemical compound [Sn+4].[O-]C([O-])=O.[O-]C([O-])=O RYSQYJQRXZRRPH-UHFFFAOYSA-J 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- BLEUEDZLGUTZDW-UHFFFAOYSA-L zinc barium(2+) oxygen(2-) sulfate Chemical compound [O-2].[Zn+2].[Ba+2].[O-]S([O-])(=O)=O BLEUEDZLGUTZDW-UHFFFAOYSA-L 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
Description
特許文献4,5,6,7には、断面が三角形状のプリズムで反射と全反射を利用して集光する集光器の例が開示されている。しかし、プリズムに進入する光線の角度の制約があり、また、集光倍率や製造コストにも問題がある。
また、特許文献10、11にプリズムの形状をくさび形にすることにより、確実に集光するアイデア等が開示されている。しかし、製造方法の困難さや設置方法の困難さなどから、実現することは難しいと考えられる。
即ち、本発明に係る太陽電池用シート状集光器は、高屈折率物質から成る導光層を低屈折率物質から成る受光層及び中間層で挟むことにより形成される導光シートの中間層側に当該中間層と同じ主原料組成であって多数の気泡を内包する透明樹脂から成り、内部に入り込んだ光を前記気泡の界面で散乱反射し、且つ前記中間層と一体形成された乱反射層を積層し、前記導光層の受光層側又は中間層側に前記導光層から光を取り出すための採光部を設けたことを特徴とするものである。
11、11’…受光層
12、12’…導光層
13、13’…中間層
14、14’…乱反射層
15、15’…採光部
16…太陽電池素子
20…気泡
31…シート状集光器の採光部に対向して設けた太陽電池素子
32…暗室内太陽電池素子
33…アルミホイルカバー
34…暗室
35…ハロゲンランプ
40…黒色画用紙
受光層11’として透明シートBを80mm幅×120mm長さにカットしたものを、導光層12’として透明シートCを80mm幅×120mm長さにカットしたものを、中間層13’として透明シートBを80mm幅×80mm長さにカットしたものを、乱反射層14’として白色シートAを80mm幅×80mm長さにカットしたものを、それぞれ準備する。
実施例1で用いたものと同型の太陽電池素子31をその受光面が採光部15’に向き合うように配置する。シート状集光器10’を受光層11’が上になるように置き、太陽電池素子の短絡電流と開放電圧を測定し電力を算出する。
また、図5のように、受光層11’の上に、80mm幅×80mm長さにカットした黒色の画用紙40(大王製紙 再生色画用紙くろ 坪量122.1g/m2)を被せ、乱反射層14’に太陽光が入射しないようにした状態、即ち本発明の作用が生じない状態で太陽電池素子の短絡電流と開放電圧を測定し電力を算出する。
また、晴天時(2005年3月21日)の午後0時に同様の測定を行った。その結果、黒色画用紙40を被せなかった時に得られた電力はそれを被せた時の電力の140%であった。
Claims (14)
- 高屈折率物質から成る導光層を低屈折率物質から成る受光層及び中間層で挟むことにより形成される導光シートの中間層側に当該中間層と同じ主原料組成であって多数の気泡を内包する透明樹脂から成り、内部に入り込んだ光を前記気泡の界面で散乱反射し、且つ前記中間層と一体形成された乱反射層を積層し、前記導光層の受光層側又は中間層側に前記導光層から光を取り出すための採光部を設けたことを特徴とするシート状集光器。
- 乱反射層がガス発泡押出により形成されていることを特徴とする請求項1に記載のシート状集光器。
- 受光層、導光層、中間層及び乱反射層が熱可塑性樹脂から成り、且つ共押出により一体形成されていることを特徴とする請求項1又は2に記載のシート状集光器。
- 受光層の表面に光閉じ込め効果を持つ凹凸が形成されていることを特徴とする請求項1〜3のいずれかに記載のシート状集光器。
- 受光層の面積が採光部の面積の2倍以上であることを特徴とする請求項1〜4のいずれかに記載のシート状集光器。
- 受光層の表面に防汚層が形成されていることを特徴とする請求項1〜5のいずれかに記載のシート状集光器。
- 防汚層が光活性触媒を有することを特徴とする請求項6に記載のシート状集光器。
- 高屈折率物質から成る導光層を低屈折率物質から成る受光層及び中間層で挟むことにより形成される導光シートの中間層側に当該中間層と同じ主原料組成であって多数の気泡を内包する透明樹脂から成り、内部に入り込んだ光を前記気泡の界面で散乱反射し、且つ前記中間層と一体形成された乱反射層を積層し、前記導光層の受光層側又は中間層側に前記導光層から光を取り出すための採光部を設けたシート状集光器と、
受光面が前記採光部に対向するように配置された太陽電池と、
を備えることを特徴とする太陽電池シート。 - 乱反射層がガス発泡押出により形成されていることを特徴とする請求項8に記載の太陽電池シート。
- 受光層、導光層、中間層及び乱反射層が熱可塑性樹脂から成り、且つ共押出により一体形成されていることを特徴とする請求項8又は9に記載の太陽電池シート。
- 受光層の表面に光閉じ込め効果を持つ凹凸が形成されていることを特徴とする請求項8〜10のいずれかに記載の太陽電池シート。
- 受光層の面積が採光部の面積の2倍以上であることを特徴とする請求項8〜11のいずれかに記載の太陽電池シート。
- 受光層の表面に防汚層が形成されていることを特徴とする請求項8〜12のいずれかに記載の太陽電池シート。
- 防汚層が光活性触媒を有することを特徴とする請求項13に記載の太陽電池シート。
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PCT/JP2005/017608 WO2006035698A1 (ja) | 2004-09-27 | 2005-09-26 | シート状集光器及びこれを用いた太陽電池シート |
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