WO2014050004A1 - Module de cellule solaire - Google Patents

Module de cellule solaire Download PDF

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Publication number
WO2014050004A1
WO2014050004A1 PCT/JP2013/005426 JP2013005426W WO2014050004A1 WO 2014050004 A1 WO2014050004 A1 WO 2014050004A1 JP 2013005426 W JP2013005426 W JP 2013005426W WO 2014050004 A1 WO2014050004 A1 WO 2014050004A1
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WO
WIPO (PCT)
Prior art keywords
solar cell
light
surface side
cell module
receiving surface
Prior art date
Application number
PCT/JP2013/005426
Other languages
English (en)
Japanese (ja)
Inventor
哲弥 金子
賢一 牧
蔵本　慶一
治寿 橋本
Original Assignee
三洋電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP2014538146A priority Critical patent/JPWO2014050004A1/ja
Publication of WO2014050004A1 publication Critical patent/WO2014050004A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K16/00—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind
    • 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
    • H01L31/02—Details
    • 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
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • 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
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
    • H01L31/0512—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module made of a particular material or composition of materials
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K16/00—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind
    • B60K2016/003—Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind solar power driven
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/90—Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof

Definitions

  • the present invention relates to a solar cell module.
  • Patent Document 1 discloses a photoelectric conversion element that fits into a recess formed on an outer surface of an outer plate on a curved surface of a vehicle.
  • semiconductor crystal particles having a pn junction are bonded to a conductive substrate such as aluminum
  • a light transmitting plate is disposed on the upper side of the semiconductor crystal particles
  • a back sheet is disposed on the back surface side of the conductive substrate.
  • a resin, a sheet obtained by bonding an aluminum foil or a metal oxide film to a resin film, and a metal sheet such as stainless steel are used.
  • a solar cell module that improves the design between the object to be mounted when the solar cell module is attached to the object to be mounted such as a vehicle.
  • the solar cell module according to the present invention includes a solar cell string formed by interconnecting adjacent solar cells with a wiring member for a plurality of solar cells, and a light receiving surface disposed on the light receiving surface side of the solar cell string A side sealing material, a light receiving surface side protective member disposed on the light receiving surface side of the light receiving surface side sealing material, a back surface side sealing material disposed on the back surface side of the solar cell string, and a back surface side sealing material A back surface side protection member disposed on the back surface side, and an infrared transmission filter that blocks infrared light and transmits infrared light when viewed from the light receiving surface side.
  • the solar cell module according to the present invention includes a solar cell string formed by connecting adjacent solar cells to each other with a wiring member for a plurality of solar cells, and is attached to a vehicle body of a vehicle, A holding member that holds the solar cell panel with respect to the vehicle body, and the solar cell panel is disposed in a size that covers at least the wiring member when viewed from the light receiving surface side, and a part of visible light is provided.
  • An infrared transmission filter that blocks and transmits infrared rays.
  • the solar cell module when the solar cell module is attached to an object to be mounted such as a vehicle, at least the wiring material is covered by the infrared transmission filter that blocks a part of visible light and transmits infrared rays.
  • the metal color is not visible with the naked eye.
  • FIG. 2 is a cross-sectional view taken along line AA in FIG. It is a characteristic view of the infrared rays transmission filter used for the solar cell module of embodiment. It is a figure which shows a solar cell when it sees with the naked eye through the infrared rays transmissive filter of FIG. It is a figure which shows a solar cell when sunlight is irradiated through the infrared rays transmissive filter of FIG.
  • FIG. 2 is a diagram for explaining improvement in power generation efficiency in the configuration of FIG.
  • FIG. 2 is a cross-sectional view taken along line AA of FIG. 1 for a single-sided power generation type solar cell module as a modification of the embodiment.
  • the solar cell module is described as being fitted into a recess provided in the roof portion of the vehicle body of the vehicle, but the position to be fitted may be other than the roof portion. For example, you may fit in the side surface containing the bonnet part of a vehicle, a trunk part, and a door part.
  • a solar cell is described as a double-sided power generation type, this is an example of improving the power generation efficiency, and even a single-sided power generation type solar cell is included in the scope of the present invention that improves the design.
  • FIG. 1 shows a solar cell module 10 mounted on a vehicle 8
  • FIG. 1 (a) is an overall perspective view
  • FIG. 1 (b) is an enlarged view thereof.
  • FIG. 2 is a sectional view taken along line AA in FIG.
  • the solar cell module 10 mounted on the vehicle 8 will be referred to as the solar cell module 10 unless otherwise specified.
  • the solar cell panel 12 is mounted by being fitted into a recess 16 provided on the outer plate of the roof portion of the vehicle body 14 of the vehicle 8.
  • the solar cell module 10 includes a solar cell panel 12 and a holding member 18 that fits and holds the solar cell panel 12 in the recess 16 of the vehicle body 14.
  • the solar battery panel 12 includes a solar battery string 26 that is connected to each other with a plurality of solar battery cells 20 spaced apart from each other using wiring members 22 and 24.
  • an infrared transmission filter 30 having a size covering the wiring members 22 and 24 and blocking part of visible light and transmitting infrared light is disposed.
  • the solar cell string 26 is sandwiched between the sealing material 36 on the light receiving surface side and the sealing material 38 on the back surface side, which are composed of two sealing material sheets 32 and 34 sandwiching the infrared transmission filter 30 therebetween, and on the outside thereof.
  • the solar cell panel 12 is configured by arranging the protection member 40 on the light receiving surface side and the protection member 42 on the back surface side.
  • the solar battery cell 20 includes a photoelectric conversion unit that generates light-generated carriers of holes and electrons by receiving light such as sunlight.
  • the photoelectric conversion unit includes a substrate made of a semiconductor material such as silicon (Si), gallium arsenide (GaAs), indium phosphide (InP), or the like.
  • the structure of the photoelectric conversion unit is a pn junction in a broad sense. For example, a heterojunction of a single crystal silicon substrate and amorphous silicon can be used.
  • a transparent conductive film (TCO) composed of a conductive oxide is laminated, and an i-type amorphous silicon layer and an n-type amorphous silicon layer doped with phosphorus (P) or the like on the back side of the substrate, It can be set as the structure which laminates a transparent conductive film.
  • the photoelectric conversion unit may have a structure other than this as long as it has a function of converting light such as sunlight into electricity.
  • a structure including a p-type polycrystalline silicon substrate, an n-type diffusion layer formed on the light-receiving surface side, and an aluminum metal film formed on the back surface side may be used.
  • the wiring members 22 and 24 are conductive members that are connected to a connection electrode formed on the surface of the transparent conductive film on the photoelectric conversion portion using a conductive paste or the like by solder or a conductive adhesive.
  • a connection electrode formed on the surface of the transparent conductive film on the photoelectric conversion portion using a conductive paste or the like by solder or a conductive adhesive.
  • thin plates made of a metal conductive material such as copper are used. Instead of a thin plate, a stranded wire can be used.
  • the conductive material in addition to copper, silver, aluminum, nickel, tin, gold, or an alloy thereof can be used.
  • a plating layer may be formed on the surface of the conductive material.
  • the wiring materials 22 and 24 are comprised with a metal material, when it sees from the light-receiving surface side of the solar cell panel 12, the elongated metal-colored wiring materials 22 and 24 are visually recognized.
  • the width dimension of the wiring materials 22 and 24 changes with the specifications of the solar cell panel 12, as an example, it is about 1 to 2 mm.
  • the sealing material 36 on the light-receiving surface side and the sealing material 38 on the back surface side have a role as a shock absorbing material and a function of preventing moisture from entering the solar battery cell 20 and are formed in layers. It is a member. These sealing materials 36 and 38 are selected in consideration of heat resistance, adhesiveness, flexibility, moldability, durability, and the like. Since the sealing material 36 on the light receiving surface side takes in light from the outside, the sealing material 38 on the back surface side emits the light that has passed through the region where the solar battery cell 20 is not provided to the outside on the back surface side, respectively. A transparent sealing material that has as high a transparency as possible and allows incident light to pass through without being absorbed or reflected is used.
  • the sealing material 36 on the light receiving surface side is configured by laminating two sealing material sheets 32 and 34.
  • the infrared transmission filter 30 is a filter sheet having a characteristic of blocking a part of visible light and transmitting infrared light.
  • FIG. 3 is a diagram showing the transmission characteristics of the infrared transmission filter 30, where the horizontal axis represents the light wavelength ⁇ and the vertical axis represents the transmittance T.
  • the infrared transmission filter 30 has a low transmittance in the visible light wavelength range ⁇ V and a high constant transmittance in the infrared wavelength range ⁇ UR .
  • the transmission characteristics of the infrared transmission filter 30 are not limited to those shown in FIG.
  • the infrared transmission filter 30 includes a colorant that is a mixture of a perylene-based black pigment or an anthraquinone-based red dye, a green dye, and a black dye in one resin component of triacetyl cellulose, ABS resin, and ASA resin. Can be used.
  • the infrared transmission filter 30 has a width dimension wider than the width dimension of the wiring members 22 and 24 so as to sufficiently cover the wiring members 22 and 24 along the longitudinal direction in which the wiring members 22 and 24 extend.
  • the width dimension of the infrared transmission filter 30 is about 3 to 6 mm in consideration of the positioning error between the wiring members 22 and 24 and the infrared transmission filter 30. It can be.
  • the protective member 40 on the light receiving surface side is a transparent plate or film that can take in light from the outside.
  • a translucent member such as a glass plate, a resin plate, or a resin film can be used.
  • the protective member 42 on the back side is a colorless and transparent sheet that can emit light that has passed through the sealing material 38 on the back side to the outside on the back side.
  • a polyethylene terephthalate (PET) sheet or the like can be used as the protective member 42 on the back side.
  • the recess 16 provided in the vehicle body 14 is a storage portion into which the solar cell panel 12 is fitted.
  • the concave portion 16 is a portion where the outer surface of the outer plate of the roof portion of the vehicle body 14 is recessed in order to fit the solar cell panel 12.
  • the vehicle body 14 forms the outer shape of the vehicle 8, and has a surface that reflects light depending on a metal color or a paint color.
  • the concave portion 16 has a two-step depression so that the peripheral portion of the back surface 44 of the protective member 42 of the solar cell panel 12 can be supported. Since the bottom surface 46 of the recess is the surface of the vehicle body 14, it has light reflectivity.
  • the bottom surface 47 of the recess is formed shallower than the bottom surface 46.
  • the holding member 18 is a resin material for fitting and holding the solar cell panel 12 in the recess 16 of the vehicle body 14.
  • the holding member 18 is disposed on the side surface of the two-step recess of the recess 16 and the upper surface of the bottom surface 47 of the recess, and holds the side surface of the solar cell panel 12 and the peripheral portion of the back surface 44 of the protection member 42.
  • a resin rubber can be used.
  • the resin rubber isoprene rubber, styrene rubber, butadiene rubber, urethane rubber, fluorine rubber, butyl rubber, silicone resin, or the like can be used.
  • a resin having an elastic modulus smaller than that of the metal material of the vehicle body 14 may be used.
  • cellulose acetate, phenol resin, epoxy resin, acrylic foam, or the like can be used.
  • the vehicle body 14 is provided with a step between the concave portion 16 and the outer peripheral portion of the concave portion which is the peripheral side thereof, but the upper surface of the protection member 40 on the light receiving surface side of the solar cell module 10 and the vehicle body 14. There is no step between the upper surfaces of the outer peripheral portions of the recesses, and it has one surface shape.
  • the solar cell module 10 can be mounted on the vehicle 8 without impairing the streamline shape of the vehicle body 14 of the vehicle 8.
  • the upper surface of the protective member 40 on the light receiving surface side of the solar cell module 10 is shown as a flat surface.
  • the solar cell module 10 is flexible. By providing it, the curved surface on the upper surface of the protective member 40 and the curved surface on the upper surface of the outer periphery of the recess can form one curved surface shape.
  • a predetermined gap interval 48 is provided between the back surface 44 of the protection member 42 and the bottom surface 46 of the recess 16. This gap interval 48 is used so that the light that has passed through the protective member 42 once exits and is reflected by the light-reflecting bottom surface 46 so that the direction of the optical path is directed toward the back surface side of the solar battery cell 20. Space.
  • the light from the outside passes through the gap between the wiring members 22 and 24 in the solar battery panel 12, passes through the recess 16, is reflected by the bottom face 46, and is reflected on the back face of the solar battery cell 20.
  • the sealing materials 36 and 38 and the protection members 40 and 42 are transparent, and the bottom surface 46 is a light-reflective surface, so that light is transmitted to the back surface side of the solar battery cell 20.
  • the power generation efficiency of the solar cell panel 12 can be improved.
  • FIG. 4 shows a state of the solar battery cell 20 when the solar battery module 10 is viewed from the light receiving surface side. Since the infrared transmission filter 30 absorbs light having a wavelength ⁇ V of visible light, the metal colors of the wiring members 22 and 24 covered with the infrared transmission filter 30 are not visually recognized. The infrared transmission filter 30 and the solar battery cell 20 that appear black are visible. Therefore, the design is improved as compared with the fact that the metal-colored wiring members 22 and 24 are visible on the black solar cell 20. In addition, since visible light is not irradiated to the photovoltaic cell 20 in the part of the width
  • FIG. 5 is a diagram for explaining the appearance when the light having a wavelength region of infrared wavelength ⁇ UR is irradiated and taken virtually by a camera having sensitivity in the infrared wavelength region.
  • the infrared transmission filter 30 is illustrated. Therefore, it is substantially the same as the state in which the infrared transmission filter 30 is not disposed.
  • the infrared transmission filter 30 does not appear, and the wiring members 22 and 24 appear. Therefore, the power generation efficiency of the solar cell panel 12 with respect to light in the range of the infrared wavelength ⁇ UR is hardly lowered as compared with the case where the infrared transmission filter 30 is not provided.
  • the infrared transmission filter 30 is arranged so as to cover the wiring members 22 and 24, thereby satisfying the demand for improvement in design properties and ensuring the power generation efficiency in the infrared region, thereby generating power from the solar cell module 10. A decrease in efficiency can be suppressed.
  • the width dimension of the infrared transmission filter 30 is larger than that of the wiring members 22 and 24, the alignment work between the wiring members 22 and 24 and the infrared transmission filter 30 can be easily performed.
  • connection electrode formed using a conductive paste or the like is provided between the photoelectric conversion portion and the wiring members 22 and 24.
  • This connection electrode also has a metallic color.
  • the connection electrode includes a bus bar electrode 54 and a finger electrode 56 as described later. In that case, by disposing the infrared transmission filter over the entire solar cell panel 12, the metal color of the finger electrode can be made difficult to visually recognize.
  • the bus bar electrode 54 is used when connecting the plurality of solar battery cells 20 to each other, and the wiring members 22 and 24 are bonded to each other.
  • the plurality of finger electrodes 56 arranged so as to intersect with the bus bar electrode 54 are thin line electrodes that are thinned so as to reduce the light shielding property when collecting electricity from the entire light receiving surface.
  • the bus bar electrode 54 and the finger electrode 56 are arranged orthogonally to each other and electrically connected in the example of FIG.
  • a conductive paste in which a conductive filler such as silver (Ag) is dispersed in a binder resin is formed on the transparent conductive layer in a desired pattern by a screen printing method.
  • the width dimension of the bus bar electrode 54 is set to be the same as or slightly narrower than the width dimension of the wiring members 22 and 24. Therefore, when the solar cell module 50 is viewed from the light receiving surface side, the metal color of the bus bar electrode 54 hidden by the wiring members 22 and 24 does not appear, but the metal color of the finger electrode 56 appears.
  • FIG. 8 is a diagram showing a solar cell module 60 including the wiring members 22 and 24, the bus bar electrodes 54, and the finger electrodes 56, and an infrared transmission filter 58 disposed over the entire solar cell module 50.
  • the infrared transmission filter 58 looks black, and the metal colors of the wiring members 22, 24, the bus bar electrode 54, and the finger electrode 56 are not visually recognized.
  • FIG. 9 is a diagram showing a state in which the solar cell module 60 of FIG. 8 is mounted on a vehicle 8 whose body 14 is white (W).
  • the solar cell module 60 is fitted into the concave portion 16 of the roof portion of the vehicle body 14, and the metal colors of the wiring members 22, 24, the bus bar electrode 54, and the finger electrode 56 of the solar cell panel 12 are covered by the infrared transmission filter 58.
  • the white (W) vehicle body the entire roof portion is visually recognized as black, and the reduction in power generation efficiency of the solar cell module 60 can be suppressed while satisfying the demand for improvement in design.
  • FIG. 10 is a diagram showing a state in which the solar cell module 60 of FIG. 8 is mounted on a vehicle 8 whose body 14 is black (K).
  • the solar cell module 60 fitted in the recess 16 in the roof portion of the vehicle body 14 is visually the same color as the color of the vehicle body 14 as if it were integrated with the vehicle body 14. In this way, it is possible to suppress the decrease in power generation efficiency of the solar cell module 60 while further improving the design of the vehicle body 14 on which the solar cell module 60 is mounted.
  • the power generation efficiency of the solar cell module 60 is reduced while satisfying the requirement for improving the design of the vehicle. Can be suppressed.
  • the sealing material and the protective member are colorless and transparent, and the surface facing the protective member on the back side has light reflectivity, so that the solar battery Light can be guided to the back side of the cell, and the power generation efficiency of the solar cell panel can be improved.
  • the solar cell panel 12 is fitted into the recess 16 of the vehicle body 14, but the solar cell panel 12 may be attached to the outside of the vehicle body 14 in addition to this.
  • FIG. In that case, a frame portion is used to attach the solar cell panel 12 to the vehicle body 14.
  • the frame portion corresponds to the vehicle body 14 in FIG. 2, has a recess 16, and its bottom surface 46 has light reflectivity.
  • a holding member 18 is disposed between the frame portion and the solar cell panel 12. That is, the frame portion is a separate component from the vehicle body 14 of the vehicle 8, but the configuration is the same as that of the vehicle body 14 of FIG. 2, and the vehicle body 14 described above can be replaced with the frame portion as it is. it can.
  • FIG. 11 shows an example using a single-sided power generation type solar cell module 10 as a modification. The description which overlaps with the solar cell module 10 shown in FIG. 2 is omitted, and only different portions will be described.
  • the solar cell module 10 includes a solar cell panel 12 and an adhesive member 78 that adheres the solar cell panel 12 to the bottom surface of the recess 76 of the vehicle body 14.
  • the light receiving surface side sealing material 36, the back surface side sealing material 38 and the back surface side protection member 42 are provided to have a smaller area than the light receiving surface side protection member 40. Therefore, the back surface of the protection member 40 on the light receiving surface side is exposed at the peripheral edge of the protection member 40 on the light receiving surface side.
  • the recess 76 provided in the vehicle body 74 is a storage portion into which the solar cell panel 12 is fitted.
  • the recessed portion 76 is a portion where the outer surface of the outer plate of the roof portion of the vehicle body 14 is recessed in order to fit the solar cell panel 12, and has an opening on the bottom surface.
  • the recess 76 supports the peripheral edge of the back surface of the protection member 40 of the solar cell panel 12.
  • the gap between the vehicle body 74 and the solar cell panel 12 may be filled with, for example, a resin material (not shown).
  • the adhesive member 78 is a resin adhesive for fitting and attaching the solar cell panel 12 to the recess 76 of the vehicle body 74.
  • the adhesive member 78 is disposed on the upper surface of the bottom surface of the recess 76 and is adhered to the back surface of the protection member 40 of the solar cell panel 12.
  • As the adhesive member 78 for example, urethane resin can be used. Wiring (not shown) connected to the solar cell panel 12 is taken into the vehicle body 74 from the opening of the recess 76.
  • the protection member 42 on the back surface side does not need to emit light that has passed through the sealing material 38 on the back surface side to the outside. Therefore, as the protective member 42 on the back surface side, a PET sheet may be used, or a laminate of two or more resin sheets may be used.
  • the protective member 42 on the back surface side can be a laminate in which a PET sheet or an Al sheet is sandwiched between two PVF sheets, and a laminate in which an Al sheet is sandwiched between two PET sheets.
  • the infrared transmission filter 30 is disposed so as to cover the wiring members 22 and 24 or the connection electrodes, but the present invention is not limited to these configurations.
  • the region where the solar battery cell 20 is not provided is less visible with the naked eye, and the design of the mounted object can be improved.

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  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'objet de la présente invention est d'améliorer l'aspect esthétique d'un module de cellule solaire lorsqu'il est monté sur un objet. Pour ce faire, la présente invention a trait à un module de cellule solaire (10) qui est installé en ajustant un panneau solaire photovoltaïque (12) dans une section en retrait (16) qui est formée sur la partie de toit de la carrosserie de véhicule (14) d'un véhicule (8). Le module de cellule solaire (10) est équipé : de chaînes de cellules solaires (26) qui sont chacune constituées en interconnectant de multiples cellules solaires (20) avec des matériaux de câblage (22, 24) ; d'un produit d'étanchéité côté surface de réception de la lumière qui est prévu sur le côté surface de réception de la lumière de la chaîne de cellules solaires (26) ; d'un élément de protection côté surface de réception de la lumière qui est prévu sur le côté surface de réception de la lumière du produit d'étanchéité côté surface de réception de la lumière ; d'un élément de protection côté surface arrière qui est prévu sur le côté surface arrière d'un produit d'étanchéité côté surface arrière ; et de filtres de transmission infrarouges (30) qui ont une largeur suffisante pour recouvrir au moins les matériaux de câblage (22, 24) vus depuis le côté surface de réception de la lumière de manière à bloquer partiellement la lumière visible tout en permettant aux rayons infrarouges de passer.
PCT/JP2013/005426 2012-09-28 2013-09-12 Module de cellule solaire WO2014050004A1 (fr)

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JP2015220870A (ja) * 2014-05-17 2015-12-07 株式会社インゼックス 太陽電池パネルの支持構造
JP2017073466A (ja) * 2015-10-07 2017-04-13 トヨタ自動車株式会社 車載用太陽電池モジュール
EP3285305A1 (fr) * 2016-08-17 2018-02-21 LG Electronics Inc. Panneau solaire et toit de voiture
JP2018170424A (ja) * 2017-03-30 2018-11-01 株式会社Ｓｕｂａｒｕ 太陽電池モジュール及び車両上部構造
WO2019012981A1 (fr) * 2017-07-14 2019-01-17 シャープ株式会社 Machine de bureau comprenant une cellule solaire
EP3972867A4 (fr) * 2019-05-23 2023-07-19 Wright, Albert, Vernon Système d'énergie solaire pour véhicules
WO2023242441A1 (fr) * 2022-06-17 2023-12-21 Lightyear Layer Ipco B.V. Intégration d'un panneau solaire dans une partie de carrosserie de véhicule
JP7506586B2 (ja) 2020-12-03 2024-06-26 株式会社カネカ 太陽電池モジュール

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JP2015220870A (ja) * 2014-05-17 2015-12-07 株式会社インゼックス 太陽電池パネルの支持構造
JP2017073466A (ja) * 2015-10-07 2017-04-13 トヨタ自動車株式会社 車載用太陽電池モジュール
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EP3285305A1 (fr) * 2016-08-17 2018-02-21 LG Electronics Inc. Panneau solaire et toit de voiture
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WO2019012981A1 (fr) * 2017-07-14 2019-01-17 シャープ株式会社 Machine de bureau comprenant une cellule solaire
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JP7506586B2 (ja) 2020-12-03 2024-06-26 株式会社カネカ 太陽電池モジュール
WO2023242441A1 (fr) * 2022-06-17 2023-12-21 Lightyear Layer Ipco B.V. Intégration d'un panneau solaire dans une partie de carrosserie de véhicule
NL2032204B1 (en) * 2022-06-17 2024-01-05 Lightyear Layer Ipco B V Integrating a solar panel in a vehicle body part

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