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1. WO2004036658 - CELLULE SOLAIRE ET MODULE SOLAIRE COMPRENANT CETTE CELLULE

Numéro de publication WO/2004/036658
Date de publication 29.04.2004
N° de la demande internationale PCT/JP2003/013101
Date du dépôt international 14.10.2003
Demande présentée en vertu du Chapitre 2 16.02.2004
CIB
H01L 31/042 2006.01
HÉLECTRICITÉ
01ÉLÉMENTS ÉLECTRIQUES FONDAMENTAUX
LDISPOSITIFS À SEMI-CONDUCTEURS; DISPOSITIFS ÉLECTRIQUES À L'ÉTAT SOLIDE NON PRÉVUS AILLEURS
31Dispositifs à semi-conducteurs sensibles aux rayons infrarouges, à la lumière, au rayonnement électromagnétique d'ondes plus courtes, ou au rayonnement corpusculaire, et spécialement adaptés, soit comme convertisseurs de l'énergie dudit rayonnement en énergie électrique, soit comme dispositifs de commande de l'énergie électrique par ledit rayonnement; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de ces dispositifs ou de leurs parties constitutives; Leurs détails
04adaptés comme dispositifs de conversion photovoltaïque
042Modules PV ou matrices de cellules PV individuelles
CPC
H01L 31/02167
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red 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
02Details
0216Coatings
02161for devices characterised by at least one potential jump barrier or surface barrier
02167for solar cells
H01L 31/0504
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red 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
04adapted as photovoltaic [PV] conversion devices
042PV modules or arrays of single PV cells
05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
0504specially adapted for series or parallel connection of solar cells in a module
H01L 31/0543
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red 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
04adapted as photovoltaic [PV] conversion devices
054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
0543comprising light concentrating means of the refractive type, e.g. lenses
H01L 31/0547
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red 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
04adapted as photovoltaic [PV] conversion devices
054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
0547comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
H01L 31/056
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red 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
04adapted as photovoltaic [PV] conversion devices
054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
056the light-reflecting means being of the back surface reflector [BSR] type
H01L 31/068
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red 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
04adapted as photovoltaic [PV] conversion devices
06characterised by at least one potential-jump barrier or surface barrier
068the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
Déposants
  • SHARP KABUSHIKI KAISHA [JP]/[JP] (AllExceptUS)
  • YANG, Mingju [CN]/[JP] (UsOnly)
  • NUNOI, Tohru [JP]/[JP] (UsOnly)
Inventeurs
  • YANG, Mingju
  • NUNOI, Tohru
Mandataires
  • NOGAWA, Shintaro
Données relatives à la priorité
2002-30079515.10.2002JP
Langue de publication japonais (JA)
Langue de dépôt japonais (JA)
États désignés
Titre
(EN) SOLAR CELL AND SOLAR CELL MODULE USING SAME
(FR) CELLULE SOLAIRE ET MODULE SOLAIRE COMPRENANT CETTE CELLULE
(JA) 太陽電池およびそれを用いた太陽電池モジュール
Abrégé
(EN)
A solar cell comprises a photoelectric converting layer having a front surface and a back surface and a reflective layer provided on the back surface of the photoelectric converting layer. The reflective layer is a multilayer of plural transparent layers having different refractive indexes and alternated. A light having a specific wavelength among lights incident on the surface of the photoelectric converting layer is reflected to the photoelectric converting layer. When a long-wavelength light is selected as the light having the specific wavelength, a high photoelectric conversion efficiency can be attained even with a thin photoelectric converting layer.
(FR)
L'invention concerne une cellule solaire qui comprend une couche de conversion photoélectrique présentant une surface frontale et une surface arrière, et une couche réfléchissante disposée sur la surface arrière de la couche de conversion photoélectrique. La couche réfléchissante présente une structure multicouches formée de plusieurs couches transparentes présentant des indices de réfraction différents et alternés. Une lumière présentant une longueur d'onde spécifique parmi les longueurs d'ondes lumineuses incidentes à la surface de la couche de conversion photoélectrique est réfléchie vers la couche de conversion photoélectrique. La sélection d'une lumière présentant grande longueur d'onde en tant que longueur d'onde lumineuse spécifique permet d'atteindre un rendement de conversion photoélectrique élevé même avec une couche de conversion photoélectrique mince.
(JA)
表面と裏面を有する光電変換層と、光電変換層の裏面に設けられる反射層とを備え、反射層は、屈折率が互いに異なる複数の透光層を交互に積層してなり、かつ、光電変換層の表面から光が入射するとき、その光のうち特定の波長の光を光電変換層へ反射する太陽電池であり、特定の波長の光を長波長光に設定した場合には、光電変換層の厚さが薄くても高い光電変換効率が得られる。
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