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WO2013031078A1 - Module de cellule solaire - Google Patents

Module de cellule solaire Download PDF

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Publication number
WO2013031078A1
WO2013031078A1 PCT/JP2012/004516 JP2012004516W WO2013031078A1 WO 2013031078 A1 WO2013031078 A1 WO 2013031078A1 JP 2012004516 W JP2012004516 W JP 2012004516W WO 2013031078 A1 WO2013031078 A1 WO 2013031078A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar cell
cell module
fixing member
hole
translucent
Prior art date
Application number
PCT/JP2012/004516
Other languages
English (en)
Japanese (ja)
Inventor
篠原　亘
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
Publication of WO2013031078A1 publication Critical patent/WO2013031078A1/fr

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    • 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
    • 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
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/30—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
    • F24S25/632—Side connectors; Base connectors
    • 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

Definitions

  • the present invention relates to a solar cell module.
  • Solar cells are often modularized and have an output terminal for outputting generated electricity to the outside.
  • Such an output terminal is usually provided in a state of protruding to the back surface side opposite to the sunlight receiving surface.
  • the solar cell module in which the accommodating part for accommodating such an output terminal is provided in the back surface center of the solar cell panel is devised (for example, refer patent document 1).
  • the storage section in the above-described solar cell module stores a solder joint for electrically connecting the terminal-side internal lead wire sealed in the solar cell panel and the waterproof-coated external lead wire, a diode for preventing backflow, and the like. These objects are sealed with a filling adhesive such as silicone resin.
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide a technique for improving the connection reliability between the solar cell module and the outside.
  • a solar cell module includes a translucent member disposed on the light receiving side, a back member provided to face the translucent member, and a translucent member A photovoltaic device provided between the member and the back surface member, wiring for outputting electric energy generated by the photovoltaic device to the outside, and a fixing member provided on the surface of the back surface member .
  • the translucent member has an incident portion on the outer edge of the light receiving surface where light enters from the outside.
  • the back member is formed with a through-hole through which a part of the wiring is passed, and the fixing member is provided so as to cover the through-hole while a space is formed between the through-hole and When the solar cell module is installed, it functions as an attachment portion attached to the gantry.
  • the connection reliability between the solar cell module and the outside can be improved.
  • FIG. 1 is an overall perspective view of a solar cell module according to a first embodiment. It is an enlarged view of the area
  • 4 is a cross-sectional view of the solar cell module taken along the line AA in FIG. It is a schematic diagram which shows the cross section of an example of a photovoltaic device. It is the schematic diagram which looked at the output terminal vicinity fixed to the fixing member from the side surface. It is a schematic diagram of the cross section for demonstrating the process of the manufacturing method of the solar cell module which concerns on this Embodiment.
  • FIG. 11 is a BB cross-sectional view in the vicinity of the fixing member shown in FIG. 10. It is a disassembled perspective view of the solar cell module which concerns on 4th Embodiment.
  • FIG. 13 is a CC cross-sectional view in the vicinity of the fixing member shown in FIG. 12.
  • FIG. 1 is an overall perspective view of the solar cell module according to the first embodiment.
  • FIG. 2 is an enlarged view of the region R shown in FIG.
  • FIG. 3 is an exploded perspective view of the solar cell module according to the first embodiment.
  • 4 is a cross-sectional view taken along the line AA of the solar cell module shown in FIGS.
  • the solar cell module 10 includes a photovoltaic device 12, a translucent member 16, a fixing member 18, an interconnector 22, a filler 24, and a back member 26 as a protective material.
  • the photovoltaic device 12 is a rectangular flat plate or film-like unit, and is arranged in a state where a plurality of photovoltaic elements described later are aligned.
  • the respective photovoltaic elements are appropriately connected in series or in parallel with each other.
  • the translucent member 16 is disposed on the light receiving side of the solar cell module.
  • the translucent member 16 is made of a material that transmits light, and a plurality of photovoltaic elements are formed as the photovoltaic device 12 on the back surface 16b opposite to the light receiving surface 16a. .
  • the translucent member 16 is disposed so as to cover the photovoltaic device 12 when the light receiving surface 16a is viewed from the front.
  • the translucent member 16 insulating glass, plastic, or the like can be used, and in particular, a material having high transmittance with respect to light having a wavelength included in sunlight is preferable.
  • the translucent member 16 has the incident part 16d in which light injects from the exterior in the outer edge of the light-receiving surface 16a.
  • the back member 26 is provided to face the translucent member 16. Further, the back surface member 26 is formed with a through hole 26a through which a part of the interconnector 22 is passed.
  • FIG. 5 is a schematic view showing a cross section of an example of the photovoltaic element.
  • the photovoltaic element 28 includes a first electrode layer 30, a semiconductor layer 32, a transparent conductive film 34, and a second electrode layer 36.
  • the first electrode layer 30, the semiconductor layer 32, the transparent conductive film 34, and the second electrode layer 36 are sequentially stacked on the translucent member 16 while performing known laser patterning.
  • a filler 24 and a back member 26 are laminated on the second electrode layer 36.
  • the first electrode layer 30 is formed on the surface of the translucent member 16 and has conductivity and translucency.
  • a transparent conductive oxide (TCO) is used, and in particular, zinc oxide (ZnO) having high light transmittance, low resistance, and low cost is used. Used.
  • the semiconductor layer 32 generates charges (electrons and holes) by incident light from the first electrode layer 30 side.
  • the semiconductor layer 32 for example, an amorphous (amorphous) silicon semiconductor layer having a pin junction or a pn junction as a basic structure, or a single layer or a stacked body of a microcrystalline silicon semiconductor layer can be used.
  • the semiconductor layer 32 according to the present embodiment is configured by laminating an amorphous silicon semiconductor and a microcrystalline silicon semiconductor from the first electrode layer 30 side. Note that in this specification, the term “microcrystal” means not only a complete crystal state but also a state partially including an amorphous state.
  • the transparent conductive film 34 is formed on the semiconductor layer 32.
  • the transparent conductive film 34 prevents the semiconductor layer 32 and the second electrode layer 36 from being alloyed, and the connection resistance between the semiconductor layer 32 and the second electrode layer 36 can be reduced.
  • the second electrode layer 36 is formed on the transparent conductive film 34.
  • a reflective metal such as silver (Ag) is used for the second electrode layer 36.
  • the transparent conductive film 34 and the second electrode layer 36 of one photovoltaic element 28 are in contact with the first electrode layer 30 of another adjacent photovoltaic element 28. Thereby, one photovoltaic element 28 and the other photovoltaic element 28 are electrically connected in series.
  • the interconnector 22 shown in FIGS. 3 and 4 is a wiring that outputs the electrical energy (charge) generated by the plurality of photovoltaic elements 28 connected in series in this manner to the outside of the solar cell module 10. .
  • the interconnector 22 is connected to the photovoltaic elements 28 at both ends of the plurality of photovoltaic elements 28 connected in series, and rises from the approximate center of the conducting part 22a toward the back member 26. And a lead-out wiring 22b.
  • the interconnector 22 is preferably a low resistivity material such as copper (Cu).
  • the filler 24 is disposed so as to seal the photovoltaic device 12 and the interconnector 22 between the translucent member 16 and the back surface member 26 and to buffer the impact applied to the photovoltaic element 28. . Further, the filler 24 has a through hole 24 a formed at a position corresponding to the through hole 26 a of the back surface member 26 to be laminated.
  • EVA ethylene vinyl acetate
  • inexpensive blue glass float glass
  • the blue plate glass contains alkali metals, such as sodium (Na), as an impurity ion, for example.
  • the back member 26 improves the strength of the entire solar cell module 10 and prevents moisture and impurities from entering from the back side of the solar cell module 10.
  • the fixing member 18 is provided on the surface of a rectangular back surface member 26.
  • the fixing member 18 has a space 18a formed between the fixing member 18 and the through hole 26a, and is provided so as to cover the through hole 26a.
  • the fixing member 18 is manufactured by bending a plate-shaped member, and includes a rectangular flat covering portion 18b, two side surfaces 18c bent from two long sides of the rectangle, and a back surface. And a flange portion 18d fixed directly to the member 26.
  • the flange portion 18d is fixed to the surface of the back member 26 through an adhesive layer (not shown).
  • the fixing member 18 functions as an attachment portion that is attached to the gantry when the solar cell module 10 is installed. As a result, the fixing member 18 is also used as a reinforcing member or an attachment member, and the cost can be further reduced by reducing the number of parts. When there are a plurality of mounting members, it is not necessary that all the fixing members 18 also serve as these mounting members, and it is sufficient that at least one or more mounting members are also used.
  • the through hole 26a of the back surface member 26 is covered by the fixing member 18, the entry of foreign matters such as moisture from the outside is suppressed. Therefore, deterioration of elements and wirings inside the solar cell module and deterioration at the joint portion thereof are reduced, and the connection reliability between the solar cell module and the outside can be improved.
  • the fixing member 18 is produced by bending a plate-like member as described above. Therefore, it may be said that the fixing member 18 has a shape that increases the rigidity of the solar cell module 10. Thereby, it is not necessary to newly provide a member for increasing the rigidity of the solar cell module, and the cost can be reduced by reducing the number of parts. Moreover, the fixing member 18 is good to be comprised with metal materials, such as a galvanized steel plate. Thereby, the fixing member 18 which raises the rigidity of a solar cell module can be manufactured cheaply and simply.
  • the fixing member 18 is provided such that its longitudinal direction is parallel to any side of the back member 26 (short side in the case of FIG. 3). Thereby, the intensity
  • the length of the fixing member 18 in the longitudinal direction is shorter than the length of one side of the back member 26 parallel to the longitudinal direction.
  • the fixing member 18 may have an output terminal for outputting electric energy generated by the photovoltaic device 12 to the outside.
  • FIG. 6 is a schematic view of the vicinity of the output terminal fixed to the fixing member as viewed from the side.
  • the fixing member 18 has two holes 18e for fixing the output terminal to the covering portion 18b.
  • the output terminal 40 is fixed to the fixing member 18 by a fastening member such as a screw.
  • One end of the lead-out wiring 22b of the interconnector 22 is drawn out to the space 18a between the through-hole 26a and the fixing member 18 via the through-hole 26a and connected to the output terminal 40. Thereby, the force applied from the outside via the output terminal 40 is distributed to the fixing member 18 and is prevented from being directly applied to the lead-out wiring 22b.
  • FIG 7 and 8 are schematic cross-sectional views for explaining the steps of the method for manufacturing the solar cell module according to the present embodiment.
  • a first electrode layer 30 made of zinc oxide (ZnO) having a thickness of 600 nm is formed on a translucent member 16 made of glass having a thickness of 4 mm by sputtering.
  • the YAG laser is irradiated from the 1st electrode layer 30 side of the translucent member 16, and the 1st electrode layer 30 is patterned in strip shape.
  • an Nd (neodymium): YAG laser having a wavelength of 1064 nm, an energy density of 13 J / cm 2 and a pulse frequency of 3 kHz is used.
  • a semiconductor layer 32 is formed by a plasma processing apparatus (plasma CVD).
  • the semiconductor layer 32 includes a p-type amorphous silicon semiconductor film having a thickness of 15 nm, an i-type amorphous silicon semiconductor film having a thickness of 200 nm, an n-type amorphous silicon semiconductor film having a thickness of 30 nm, a p-type microcrystalline silicon semiconductor film having a thickness of 30 nm, An i-type microcrystalline silicon semiconductor film having a thickness of 2000 nm and an n-type microcrystalline silicon semiconductor film having a thickness of 30 nm are sequentially stacked on the first electrode layer 30.
  • the p-type amorphous silicon semiconductor film is formed using a mixed gas of monosilane (SiH 4 ), methane (CH 4 ), hydrogen (H 2 ), and diborane (B 2 H 6 ) as a source gas.
  • the i-type amorphous silicon semiconductor film is formed using a mixed gas of monosilane (SiH 4 ) and hydrogen (H 2 ) as a source gas.
  • the n-type amorphous silicon semiconductor film is formed using a mixed gas of monosilane (SiH 4 ), hydrogen (H 2 ) and phosphine (PH 3 ) as a source gas.
  • the p-type microcrystalline silicon semiconductor film is formed using a mixed gas of monosilane (SiH 4 ), hydrogen (H 2 ), and diborane (B 2 H 6 ) as a source gas.
  • the i-type microcrystalline silicon semiconductor film is formed using a mixed gas of monosilane (SiH 4 ) and hydrogen (H 2 ) as a source gas.
  • the n-type microcrystalline silicon semiconductor film is formed using a mixed gas of monosilane (SiH 4 ), hydrogen (H 2 ), and phosphine (PH 3 ) as a source gas.
  • Table 1 The details of the film forming conditions of each film by the plasma processing apparatus are shown in Table 1 below.
  • SiO x 30 nm-thick silicon oxide (SiO x ) may be provided as an intermediate layer between the n-type amorphous silicon semiconductor film and the p-type microcrystalline silicon semiconductor film. Such an intermediate layer is formed by sputtering or the like.
  • the YAG laser is irradiated from the front surface side (translucent member 16 side) to a position deviated from the patterning position of the stacked semiconductor layer 32 and first electrode layer 30 and formed on the back surface side of the translucent member 16.
  • the semiconductor layer 32 is removed so as to be separated and patterned into a strip shape.
  • an Nd (neodymium): YAG laser having a wavelength of 532 nm (second harmonic), an energy density of 0.7 J / cm 2 , and a pulse frequency of 3 kHz is used.
  • a transparent conductive film 34 made of zinc oxide (ZnO) is formed on the semiconductor layer 32 by sputtering.
  • the transparent conductive film 34 is also formed in regions and side edges where the semiconductor layer 32 has been removed by patterning.
  • a 200 nm-thick silver (Ag) film is formed on the transparent conductive film 34 by sputtering to form a second electrode layer 36.
  • the second electrode layer 36 is also formed on the transparent conductive film 34 in the region where the semiconductor layer 32 is removed by patterning.
  • the semiconductor layer 32, the transparent conductive film is irradiated by irradiating the portion shifted from the patterning position of the semiconductor layer 32 with the YAG laser from the surface side (translucent member 16 side).
  • 34 and the second electrode layer 36 are separated and patterned into strips.
  • an Nd (neodymium): YAG laser having a wavelength of 532 nm, an energy density of 0.7 J / cm 2 , and a pulse frequency of 4 kHz is used. Thereby, a plurality of photovoltaic elements 28 are formed.
  • the transparent conductive film 34 and the second electrode layer 36 that wrap around the side portions (outermost circumference) of the first electrode layer 30 and the semiconductor layer 32 are irradiated from the surface side.
  • a laser removed by a laser.
  • the translucent member 16 provided with the photovoltaic device 12 on one surface is prepared by the method described above. Then, the interconnector 22 is arranged on the photovoltaic device 12, and the lead-out wiring 22b is brought up.
  • a sheet-like filler 24 made of ethylene vinyl acetate (EVA) and a back member 26 covering the photovoltaic device 12 are arranged on the photovoltaic device 12.
  • the filler 24 is provided with a through hole 24a so that one end of the lead wire 22b is drawn to the outside, and the lead wire 22b is passed through the through hole 24a.
  • the back member 26 is provided with a through hole 26a, and the lead-out wiring 22b is passed through the through hole.
  • the translucent member 16 and the back member 26 have the same outer dimensions.
  • the solar cell module 10 is manufactured by heating the translucent member 16 and the back member 26 while pressing them in a vacuum atmosphere. At that time, the light-transmitting member 16 and the back surface member 26 are brought into close contact with each other when the melted filler 24 enters the gap, and the filler 24 also enters the through hole 26a of the back surface member 26, thereby pulling out.
  • the wiring 22 b is firmly fixed to the through hole 26 a of the back member 26.
  • the fixing member 18 is arrange
  • the lead wiring 22b and the output terminal 40 are connected.
  • FIG. 9 is an exploded perspective view of the solar cell module according to the second embodiment.
  • the solar cell module 110 according to the present embodiment is largely characterized in that the positions of the through holes are different from those of the solar cell module 10 according to the first embodiment.
  • the solar cell module 110 includes two fixing members according to the positions of the through holes.
  • symbol is attached
  • the solar cell module 110 includes a photovoltaic device 12, a translucent member 16 disposed on the light receiving side of the solar cell module, two fixing members 118, an interconnector 122, a filler 124, and a back member as a protective material. 126.
  • the interconnector 122 is a wiring that outputs electric energy (charge) generated by the plurality of photovoltaic elements 28 to the outside of the solar cell module 10.
  • the interconnector 22 is connected to the photovoltaic element 28 at both ends of the plurality of photovoltaic elements 28 connected in series, and from the position near the end of the conducting part 122a toward the back member 126.
  • a lead-out wiring 122b provided so as to rise.
  • the two lead wirings 122b are provided at positions that are substantially symmetrical with respect to the center of the translucent member 16.
  • the back member 126 is provided so as to face the translucent member 16. Further, the back surface member 126 is formed with a through hole 126a through which a part of the lead-out wiring 122b of the interconnector 22 is passed.
  • the filler 124 has a through hole 124 a formed at a position corresponding to the through hole 126 a of the back member 126 to be laminated.
  • the fixing member 118 has substantially the same configuration as that of the first embodiment, but the cover portion 18b of one fixing member 118 is formed with one hole 18e for fixing the output terminal.
  • the fixing member 118 is disposed at a position covering the through hole 126a of the back surface member 126. In other words, the through hole 126 a of the back member 126 is formed at a position covered with the fixing member 118.
  • the through holes 126a of the back surface member 126 are covered by the respective fixing members 118, entry of foreign matters such as moisture from the outside is suppressed. Therefore, deterioration of elements and wirings inside the solar cell module and deterioration at the joint portion thereof are reduced, and the connection reliability between the solar cell module and the outside can be improved.
  • the two fixing members 118 are provided such that the longitudinal direction thereof is parallel to any side of the back surface member 126 (short side in the case of FIG. 3). Thereby, the intensity
  • the two fixing members 118 are arranged symmetrically with respect to two center lines L1 and L2 passing through the center of the rectangular back surface member 126. That is, the two fixing members 118 are arranged at positions symmetrical with respect to the center line L2.
  • each fixing member 118 is disposed such that the longitudinal direction thereof is perpendicular to the center line L1 and the center portion substantially coincides with the center line L1.
  • the strength of the solar cell module 110 can be evenly increased. it can.
  • FIG. 10 is an exploded perspective view of the solar cell module according to the third embodiment.
  • 11 is a cross-sectional view taken along the line BB in the vicinity of the fixing member shown in FIG.
  • the solar cell module 210 according to the present embodiment is greatly different from the solar cell module 10 according to the first embodiment in that a resin material is filled in a part of the internal space of the fixing member 18. .
  • the solar cell module 210 includes a resin material 42 in a space between the back member 26 and the fixing member 18.
  • the resin material 42 encloses at least a part of the lead wiring 22b drawn from the through hole 26a of the back member 26.
  • the fixing member 18 is bonded to the back surface member 26, the lead-out wiring 22 b of the interconnector 22 and the output terminal 40 are electrically connected, and then the silicone and butyl rubber are opened from the openings at both ends of the fixing member 18.
  • a resin material 42 such as is encapsulated. As a result, the energized portion from the through hole 26 a to the output terminal 40 is embedded with the resin material 42.
  • FIG. 12 is an exploded perspective view of the solar cell module according to the fourth embodiment.
  • 13 is a cross-sectional view taken along the line CC in the vicinity of the fixing member shown in FIG.
  • the solar cell module 310 according to the present embodiment is largely different from the solar cell module 10 according to the first embodiment in that the opening of the fixing member 18 is closed.
  • the fixing member 18 of the solar cell module 310 has a plate material 44 made of the same material as the fixing member 18 (for example, a galvanized steel plate) welded to the opening side portion 18f. Therefore, the fixing member 18 has a shape in which a closed space is formed between the fixing member 18 and the back surface member 26. Thereby, the penetration
  • rigidity indicates the degree of deformation when an external force is applied to the solar cell module
  • high rigidity is a state in which deformation is difficult when the same external force is applied. Say. More specifically, it refers to a state in which various “strengths” such as compressive strength, tensile strength, and torsional strength are high.
  • the solar cell module 10 (110, 210, 310) according to the present embodiment is provided so as to face the translucent member 16 disposed on the light receiving side and the translucent member 16.
  • a fixing member 18 (118) provided on the surface of the member 26.
  • the translucent member 16 has an incident portion 16d where light enters from the outside at the outer edge of the light receiving surface 16a, and the back surface member 26 has a through hole 26a through which a lead-out wiring 22b which is a part of the interconnector 22 passes. Is formed.
  • the fixing member 18 is provided so as to cover the through hole 26a while a space is formed between the fixing member 18 and the through hole 26a.
  • the fixing member 18 has an output terminal 40 for outputting the electric energy generated in the photovoltaic device 12 to the outside fixed, and the lead-out wiring 22b is connected to the output terminal 40.
  • the fixing member 18 can also serve as a connection box. Further, the fixing member 18 suppresses intrusion of moisture and the like from the through hole 26a provided in the back surface member 26 in order to take out the photovoltaic power to the outside. Further, the falling off due to the external force applied to the fixing member 18 is prevented. Further, the fixing member 18 enables cost reduction of the solar cell module by reducing the number of parts.
  • the photovoltaic apparatus 12 is pinched
  • the present invention has been described with reference to the above-described embodiment.
  • the present invention is not limited to the above-described embodiment, and the present invention can be appropriately combined or replaced with the configuration of the embodiment. It is included in the present invention.
  • the described embodiments can also be included in the scope of the present invention.
  • a material used for caulking such as silicone, a filling resin material such as polyvinyl butyral (PVB), ethylene ethyl acrylate copolymer (EEA), and the like
  • PVB polyvinyl butyral
  • EOA ethylene ethyl acrylate copolymer
  • An ethylene resin, urethane, acrylic, epoxy resin, or the like may be used.
  • the first electrode layer 30 in addition to zinc oxide (ZnO), tin oxide (SnO 2 ), indium oxide (In 2 O 3 ), titanium oxide (TiO 2 ), zinc stannate (Zn 2 SnO 4) may be configured by a metal one kind selected from oxides or plural kinds of laminates such. Note that these metal oxides may be doped with fluorine (F), tin (Sn), aluminum (Al), gallium (Ga), niobium (Nb), or the like.
  • F fluorine
  • Sn tin
  • Al aluminum
  • Ga gallium
  • Nb niobium
  • the solar cell module by the following combinations can also be included in the scope of the present invention.
  • Solar cell module A translucent member disposed on the light receiving side; A back member provided so as to face the translucent member; A photovoltaic device provided between the translucent member and the back member; Wiring for outputting the electrical energy generated in the photovoltaic device to the outside; A fixing member provided on the surface of the back member, The translucent member has an incident portion on the outer edge of the light receiving surface where light enters from the outside, The back member has a through hole through which a part of the wiring is passed, The fixing member has a space between the through hole and is provided so as to cover the through hole, and functions as an attachment portion that is attached to the gantry when the solar cell module is installed. To do. Thereby, the fixing member is also used as a reinforcing member or an attachment member, and it is possible to further reduce the cost by reducing the number of parts.
  • the fixing member has an output terminal for outputting electric energy generated by the photovoltaic device to the outside fixed, and the wiring is connected to the output terminal (1) ) Or the solar cell module described in (2). Thereby, the force applied from the outside via the output terminal is dispersed to the fixing member, and is prevented from being applied to the wiring.
  • a resin material filled in a space between the fixing member and the through hole is further provided, and the resin material encloses a part of the wiring drawn from the through hole.
  • the fixing member has a shape in which a closed space is formed between the fixing member and the back surface member. It may be a battery module. Thereby, the penetration
  • the present invention can be used for solar cells.

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  • Photovoltaic Devices (AREA)

Abstract

Le module de cellule solaire (10) présenté dans ce mode de réalisation comprend : un élément translucide (16) positionné sur un côté de réception de lumière ; un élément de surface arrière (26) disposé de manière à faire face à l'élément translucide ; un dispositif photovoltaïque (12) disposé entre l'élément translucide (16) et l'élément de surface arrière (26) ; des interconnecteurs (22) qui émettent vers l'extérieur une énergie électrique produite par le dispositif photovoltaïque (12) ; et un élément de fixation (18) disposé sur la surface de l'élément de surface arrière (26). L'élément translucide (16) comporte une section incidente à la lumière sur le bord extérieur d'une surface de réception de lumière sur laquelle arrive une lumière provenant de l'extérieur. Des trous traversants (26a), à travers lesquels passent des fils conducteurs (22b) faisant partie des interconnecteurs (22), sont formés dans l'élément de surface arrière (26). L'élément de fixation (18) comporte un espace formé entre les trous traversants (26a) et il est disposé de manière à recouvrir les trous traversants (26a). De plus, l'élément de fixation (18) fait office de partie de fixation permettant de fixer le module de cellule solaire à une structure lors de son installation.
PCT/JP2012/004516 2011-08-31 2012-07-12 Module de cellule solaire WO2013031078A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-188773 2011-08-31
JP2011188773A JP2014212137A (ja) 2011-08-31 2011-08-31 太陽電池モジュール

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WO2013031078A1 true WO2013031078A1 (fr) 2013-03-07

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JP (1) JP2014212137A (fr)
WO (1) WO2013031078A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110473933A (zh) * 2015-10-02 2019-11-19 Lg电子株式会社 用于附接太阳能电池板的互连器的方法

Citations (3)

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