WO2012141073A1 - 太陽電池モジュールおよびその製造方法 - Google Patents
太陽電池モジュールおよびその製造方法 Download PDFInfo
- Publication number
- WO2012141073A1 WO2012141073A1 PCT/JP2012/059360 JP2012059360W WO2012141073A1 WO 2012141073 A1 WO2012141073 A1 WO 2012141073A1 JP 2012059360 W JP2012059360 W JP 2012059360W WO 2012141073 A1 WO2012141073 A1 WO 2012141073A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solar cell
- solder
- electrode
- collecting electrode
- wiring member
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910000679 solder Inorganic materials 0.000 claims abstract description 118
- 239000000463 material Substances 0.000 claims abstract description 99
- 229920005989 resin Polymers 0.000 claims abstract description 99
- 239000011347 resin Substances 0.000 claims abstract description 99
- 229920001187 thermosetting polymer Polymers 0.000 claims description 67
- 150000007524 organic acids Chemical class 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 33
- 238000005304 joining Methods 0.000 description 24
- 230000001681 protective effect Effects 0.000 description 22
- 239000000853 adhesive Substances 0.000 description 17
- 230000001070 adhesive effect Effects 0.000 description 17
- 239000002245 particle Substances 0.000 description 17
- 239000010408 film Substances 0.000 description 14
- 230000004907 flux Effects 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 10
- 239000003822 epoxy resin Substances 0.000 description 10
- 229920000647 polyepoxide Polymers 0.000 description 10
- 239000003566 sealing material Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 8
- 238000009736 wetting Methods 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 238000010304 firing Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000000969 carrier Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000001603 reducing effect Effects 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910020888 Sn-Cu Inorganic materials 0.000 description 2
- 229910019204 Sn—Cu Inorganic materials 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 229910017944 Ag—Cu Inorganic materials 0.000 description 1
- -1 Polyethylene Terephthalate Polymers 0.000 description 1
- 229910020836 Sn-Ag Inorganic materials 0.000 description 1
- 229910020988 Sn—Ag Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000007736 thin film deposition technique Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/90—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers
- H10F19/902—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers for series or parallel connection of photovoltaic cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/90—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers
- H10F19/902—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers for series or parallel connection of photovoltaic cells
- H10F19/906—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers for series or parallel connection of photovoltaic cells characterised by the materials of the structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/206—Electrodes for devices having potential barriers
- H10F77/211—Electrodes for devices having potential barriers for photovoltaic cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present invention relates to a solar cell module and a method for manufacturing the same, and in particular, a plurality of solar cell elements are electrically connected by connecting electrodes provided in each solar cell element via a wiring material.
- the present invention relates to a solar cell module and a manufacturing method thereof.
- the solar cell module includes a solar cell element, a light receiving surface side protective material, a back surface side protective material, and a sealing material.
- the light receiving surface side protective material is disposed on the light receiving surface side of the solar cell element.
- glass or translucent plastic is used as the material of the light receiving surface side protective material.
- a back surface side protective material is arrange
- a transparent film such as PET (Polyethylene Terephthalate) or a laminated film in which an Al foil is sandwiched is used.
- Sealing material is arrange
- a light-transmitting resin such as EVA (ethylene vinyl acetate copolymer), silicone, urethane, or the like is used.
- the solar cell element generally has a light receiving surface that receives sunlight and a back surface that does not receive sunlight, and a collector electrode for bonding to a wiring material is formed on both surfaces thereof. Then, the wiring material alternately connects the collector electrode formed on the light receiving surface of one solar cell element and the collector electrode formed on the back surface of another solar cell element adjacent to the solar cell element. To do.
- the wiring material for example, a good conductor such as copper is used.
- the solar cell element includes a photoelectric conversion unit that performs photoelectric conversion, a thin wire electrode that collects a photogenerated carrier from the photoelectric conversion unit, and a current collecting electrode that is joined to a wiring material and collects the photogenerated carrier from the thin wire electrode.
- a photoelectric conversion unit that performs photoelectric conversion
- a thin wire electrode that collects a photogenerated carrier from the photoelectric conversion unit
- a current collecting electrode that is joined to a wiring material and collects the photogenerated carrier from the thin wire electrode.
- the fine wire electrode is formed by firing a conductive paste containing glass or resin as a binder and good conductor particles such as silver (Ag) as a filler.
- the electrode width of the thin wire electrode is set to be as narrow as several tens of micrometers, for example, in order to increase the photoelectric conversion region.
- the current collecting electrodes have a role of joining the wiring materials, and several current collecting electrodes are formed on the solar cell element so as to intersect with the thin wire electrodes.
- the current collecting electrode is formed by firing a conductive paste containing particles of a good conductive material such as Ag as a filler using glass or resin as a binder, like the thin wire electrode.
- the electrode width of the collecting electrode is, for example, about 1 mm to 2 mm.
- the first method is a method of joining the collecting electrode and the wiring material with solder.
- the wiring member is configured by coating a surface of a good conductor such as copper with solder.
- solder tin (Sn) -based solder is usually used. Examples of such Sn-based solder include Sn-3Ag-0.5Cu and Sn-Cu.
- the second method is a method of joining the current collecting electrode and the wiring member using a resin adhesive containing conductive particles.
- a resin adhesive containing conductive particles such as Ni balls coated with nickel (Ni), gold (Au) or the like, or plastic balls coated with Au or the like is disposed on the collecting electrode.
- the resin adhesive for example, a strip film mainly composed of an epoxy resin is used. And by pressing and heating a wiring material on a current collection electrode, a resin adhesive hardens
- physical bonding between the wiring material and the collecting electrode is realized by a resin adhesive.
- the electrical connection between the wiring member and the current collecting electrode is performed by contact with conductive particles contained in the resin adhesive.
- the method of joining the current collecting electrode and the wiring member which is the first method, has a problem that the flux used for soldering adheres to the manufacturing apparatus and damages the solar cell element.
- the flux used for soldering adheres to the manufacturing apparatus and damages the solar cell element.
- cracks are generated from the end face of the solder joint due to the difference in thermal expansion between the solar cell element and the wiring member, and the reliability of the joint is lowered.
- the electrical connection resistance between the wiring member and the current collecting electrode is about 10 times larger than that in the case where the solder is used for joining. Further, since the electrical connection is made by particles, there is a problem that the electrical connection area is reduced, the allowable current is reduced, and the power generation efficiency and the photoelectric conversion efficiency are lowered. In addition, since the bonding force between the wiring member and the collecting electrode when using the resin adhesive is as small as about 1/10 of the bonding force when using the solder, there is a problem that the bonding reliability is lowered. It was.
- the present invention has been made in view of the above, and an object of the present invention is to obtain a solar cell module excellent in mechanical strength and bonding reliability between a wiring member and an electrode, and photoelectric conversion efficiency, and a manufacturing method thereof. To do.
- a solar cell module is a solar cell module in which current collecting electrodes of a plurality of solar cell elements are electrically connected by a conductive wiring material.
- the current collector electrode and the wiring member are soldered together by solder on the current collector electrode, and at least a side surface of the solder joint interface between the solder and the current collector electrode is disposed on the thermosetting resin. It is characterized by that.
- the electrode of the solar cell element and the wiring material are soldered with solder and the side surface of the soldered joint is covered with the resin, the progress of cracks from the interface of the soldered joint can be suppressed, and the bonding reliability
- the solar cell module excellent in the property and photoelectric conversion efficiency can be obtained.
- solder bonding can be performed without using a flux, so that the solar cell element is not damaged and solder bonding is performed. There is an effect that the structure in which the side surface of the part is covered with the resin can be easily manufactured.
- FIG. 1 is a cross-sectional view showing the configuration of the solar cell module according to Embodiment 1 of the present invention.
- FIG. 2 is a diagram illustrating a configuration of the solar cell element according to the first embodiment.
- FIG. 3 is a diagram for explaining a method of connecting the current collecting electrode formed on the light receiving surface of the solar cell element and the wiring material, and the state in which the wiring material is joined on the current collecting electrode as viewed from the light receiving surface side. It is a top view.
- FIG. 4 is a cross-sectional view for explaining a method of connecting the collecting electrode and the wiring member, and is a cross-sectional view of the main part taken along line AA in FIG. FIG.
- FIG. 5 is a cross-sectional view for explaining a method of connecting the current collecting electrode and the wiring member, and is a cross-sectional view showing a part of FIG. 4 in an enlarged manner.
- FIG. 6 is a cross-sectional view illustrating the method for manufacturing the solar cell module according to the first embodiment.
- FIG. 7 is a cross-sectional view showing another connection method between the collecting electrode and the wiring member.
- FIG. 1 is a cross-sectional view showing a configuration of a solar cell module 100 according to Embodiment 1 of the present invention.
- the solar cell module 100 according to the first embodiment includes a solar cell string 10 in which the solar cell elements 1 are connected by a wiring member 24, a light receiving surface side protective material 21, a back surface side protective material 22, and a sealing.
- the material 23 is included.
- the solar cell string 10 is a light receiving surface side protective member 21 disposed on the front surface side (light receiving surface side) of the solar cell module 100 and a back surface disposed on the side opposite to the light receiving surface (back surface side) of the solar cell module 100. It is sealed in a sealing material 23 sandwiched between the side protection material 22.
- the light L enters from the light receiving surface side protective material 21 side.
- the light-receiving surface side protection member 21 is made of a light-transmitting material, and is disposed on the light-receiving surface side that receives sunlight in the solar cell string 10 to protect the light-receiving surface side of the solar cell string 10.
- a material of the light-receiving surface side protective material 21 for example, glass or translucent plastic is used.
- the back surface side protection member 22 is disposed on the surface (back surface) side opposite to the light receiving surface of the solar cell string 10 to protect the back surface side of the solar cell string 10.
- a transparent film such as PET or a laminated film in which an Al foil is sandwiched is used.
- the sealing material 23 is disposed between the solar cell string 10 and the light receiving surface side protective material 21 and between the solar cell string 10 and the back surface side protective material 22.
- a material of the sealing material 23 for example, a resin having translucency such as EVA, silicone, urethane, or the like is used.
- the solar cell string 10 includes a plurality of solar cell elements 1 arranged in a predetermined arrangement direction and a wiring member 24.
- the plurality of solar cell elements 1 are arranged at a predetermined distance apart in a predetermined arrangement direction. Adjacent solar cell elements 1 are electrically connected in series by a wiring member 24.
- the quantity of the solar cell elements 1 electrically connected is not limited to this, and more The solar cell element 1 can be provided.
- FIG. 2 is a diagram illustrating a configuration of the solar cell element 1 according to the first embodiment.
- FIG. 2A is a plan view of the solar cell element 1 as viewed from the light receiving surface side.
- FIG.2 (b) is the top view which looked at the solar cell element 1 from the back surface side.
- the solar cell element 1 includes a photoelectric conversion unit 2 that performs photoelectric conversion.
- Current collecting electrodes 5 and 8 for bonding to the wiring material 24 are formed on the light receiving surface side and the back surface side of the photoelectric conversion unit 2.
- a surface electrode 3 electrically connected to the photoelectric conversion unit 2 is provided on the light receiving surface 2 a side of the photoelectric conversion unit 2, a surface electrode 3 electrically connected to the photoelectric conversion unit 2 is provided.
- a plurality of the thin wire electrodes 4 are provided side by side on the light receiving surface 2a side of the photoelectric conversion unit 2.
- the collecting electrode 5 is provided so as to be electrically connected to the fine wire electrode 4 and substantially orthogonal to the fine wire electrode 4.
- the thin wire electrode 4 and the current collecting electrode 5 are electrically connected to the photoelectric conversion unit 2 at the bottom portion.
- the fine wire electrode 4 is formed by firing a conductive paste containing good conductor particles such as silver (Ag) as a filler using glass or resin as a binder.
- the electrode width of the thin wire electrode 4 is set to be as narrow as, for example, several tens of micrometers in order to increase the light receiving region of the photoelectric conversion unit 2.
- the current collecting electrode 5 is formed by firing a conductive paste containing glass or resin as a binder and particles of a good conductive material such as Ag as a filler.
- the electrode width of the collecting electrode 5 is, for example, about 1 mm to 2 mm.
- the thin wire electrode 4 and the collecting electrode 5 are formed by firing a conductive paste containing glass as a binder and Ag as a filler.
- the current collecting electrode 5 is obtained by firing conductive particles with a binder.
- the present invention is not limited to this, and a thin film deposition technique such as sputtering or a method such as plating is used.
- the formed collecting electrode 5 may be used.
- a back electrode 6 electrically connected to the photoelectric conversion unit 2 is provided on the back surface 2b side of the photoelectric conversion unit 2.
- a back surface electrode 6 similarly to the front surface electrode 3, a thin wire electrode 7 that collects photogenerated carriers from the photoelectric conversion unit 2 and a current collecting electrode 8 that collects photogenerated carriers from the thin wire electrode 7 are provided.
- a plurality of fine wire electrodes 7 are provided side by side on the back surface 2b side of the photoelectric conversion unit 2.
- the collector electrode 8 is provided so as to be electrically connected to the fine wire electrode 7 and substantially orthogonal to the fine wire electrode 7.
- the thin wire electrode 7 and the current collecting electrode 8 are electrically connected to the photoelectric conversion unit 2 at the bottom portion.
- the structure on the back surface 2b side is not limited to the above structure, and the entire back surface of the photoelectric conversion unit 2 may be formed as an electrode. When the entire back surface is used as an electrode, the thin wire electrode 7 is not provided. It's okay.
- the wiring member 24 includes a current collecting electrode 5 formed on the light receiving surface of one solar cell element 1, and a current collecting electrode 8 formed on the back surface of another solar cell element 1 adjacent to the solar cell element 1.
- the solar cell elements 1 adjacent to each other are electrically connected to each other.
- a good conductor such as copper or a solder-coated copper may be used.
- FIG. 3 is a diagram for explaining a method of connecting the current collecting electrode 5 formed on the light receiving surface 2 a of the solar cell element 1 and the wiring material 24, in which the wiring material 24 is joined to the current collecting electrode 5. It is the top view which looked at from the light-receiving surface side.
- FIG. 4 is a cross-sectional view for explaining a method of connecting the current collecting electrode 5 and the wiring member 24, and is a cross-sectional view of the main part along the line AA in FIG.
- the current collecting electrode 5 and the wiring member 24 are soldered together by a solder 31.
- the solder bonding is bonding in which the solder 31 melted by heating is metal-bonded to the wiring member 24, and an alloy layer (not shown) exists at the interface between the solder 31 and the collecting electrode 5.
- an alloy layer exists at the interface between the solder 31 and the collecting electrode 5.
- the collector electrode 5 and the wiring member 24 are reinforced in the side surfaces in the longitudinal direction by the thermosetting resin 41.
- FIG. 4A shows a case where the width of the wiring member 24 is smaller than the width of the current collecting electrode 5.
- thermosetting resin 41 covers the interface between the solder 31 and the wiring member 24 and the interface between the solder 31 and the collecting electrode 5.
- FIG. 4B shows a case where the width of the wiring member 24 is the same as that of the current collecting electrode 5.
- the thermosetting resin 41 covers the interface between the solder 31 and the wiring member 24 and the solder 31 and the collecting electrode 5.
- FIG. 4C shows a case where the width of the wiring member 24 is larger than the width of the current collecting electrode 5.
- the thermosetting resin 41 covers the interface between the solder 31 and the wiring member 24 and the interface between the solder 31 and the collecting electrode 5.
- FIG. 4A it is important for bonding reliability that the wetting height 42 on the side surface of the wiring material 24 of the thermosetting resin 41 is lower than that of the wiring material 24.
- the wetting height 42 indicates how much the thermosetting resin 41 is wetted with the wiring member 24, and is the height from the interface between the current collecting electrode 5 and the solder 31.
- the wetting height 42 to the wiring member 24 is desirably 1/2 or less of the thickness of the wiring member 24.
- thermosetting resin 41 covers the interface between the solder 31 and the collector electrode 5 having a large thermal expansion difference and the interface between the solder 31 and the wiring member 24, but at least has a large thermal expansion difference. If the interface between the solder 31 and the current collecting electrode 5 is covered, the effect of the present invention is sufficiently exhibited.
- the collector electrode 5 and the wiring member 24 are joined by the solder 31.
- the collector electrode 5 and the wiring member 24 have their side portions in the longitudinal direction covered with a thermosetting resin 41 to reinforce the joint.
- the current collection electrode 5 and the wiring material 24 are different. The bonding strength between them is improved, and sufficient mechanical strength is obtained.
- the collector electrode 5 and the wiring member 24 are reinforced by the thermosetting resin 41 at the side surfaces in the longitudinal direction. Generation of cracks from the interface between the collecting electrode 5 and the solder can be suppressed. Thereby, joining reliability can be improved compared with joining only with solder.
- the electrical connection resistance between the wiring material and the current collecting electrode becomes about 10 times larger than that when using solder.
- the electrical connection area is reduced, the allowable current is reduced, and the power generation efficiency and the photoelectric conversion efficiency are lowered.
- the bonding force between the wiring member and the current collecting electrode is reduced to about 1/10 of the case where solder is used, and the bonding reliability is lowered.
- the current collecting electrode 5 and the wiring member 24 are joined together using a resin adhesive and solder, the electrical connection resistance is reduced as compared with the case of joining only with the resin adhesive.
- the bonding force is greater than that of the resin, the bonding reliability can be improved.
- FIG. 5 is a cross-sectional view for explaining a method of connecting the current collecting electrode 5 and the wiring member 24, and is a cross-sectional view showing a part of the center of the joint in FIG. 4 in an enlarged manner.
- the collector electrode 5 has the binder 5a covering the surface layer of the Ag particles 5b, and exposure of the Ag particles 5b is reduced.
- the side surfaces of the joint portion (solder joint portion 31 a) between the solder 31 and the Ag particles 5 b are bonded with a thermosetting resin 41.
- solder joint portion 31a between the solder 31 and the Ag particles 5b is metal-joined, an alloy layer (not shown) of solder and Ag is formed.
- an Sn-based solder such as Sn—Ag—Cu, Sn—Ag, or Sn—Cu
- the alloy layer of solder and Ag becomes an alloy layer of Sn and Ag.
- Ag is used here as the current collecting electrode 5, the same effect can be obtained as long as it is a metal wetted by solder such as Cu or Au.
- the current collecting electrode 5 and the wiring member 24 are joined by the solder 31 at the solder joint portion 31a. Moreover, the current collection electrode 5 and the wiring material 24 are joined by solder and resin in parts other than the solder joint part 31a. For this reason, in the solar cell string 10, compared with the case where the current collection electrode 5 and the wiring material 24 are joined only by solder, or the case where it joins only by resin, the current collection electrode 5 and the wiring material 24 are different. The bonding strength between them is improved, and sufficient mechanical strength is obtained.
- the current collecting electrode 5 and the wiring member 24 are reinforced / bonded with resin at a portion other than the solder joint portion 31 a, so that the cracks of the solder due to the temperature cycle as described above are generated. Progress can be suppressed. Thereby, high connection reliability is obtained.
- the electrical connection resistance between the wiring material and the current collecting electrode becomes about 10 times larger than that when using solder.
- the electrical connection area is reduced, the allowable current is reduced, and the power generation efficiency and the photoelectric conversion efficiency are lowered.
- the bonding force between the wiring member and the current collecting electrode is reduced to about 1/10 of the case where solder is used, and the bonding reliability is lowered.
- the junction between the current collecting electrode 5 and the wiring member 24 on the light receiving surface 2a side of the solar cell element 1 has been described.
- the current collecting electrode 8 and the wiring on the back surface 2b side of the solar cell element 1 are described.
- the joining with the material 24 is the same as the joining with the current collecting electrode 5 and the wiring material 24, and the mechanical strength, the connection reliability and the photoelectric conversion efficiency are improved.
- FIG. 6 is a cross-sectional view illustrating the method for manufacturing the solar cell module 100 according to the first embodiment. In FIG. 6, only the light receiving surface 2 a side of the solar cell element 1 is noted and illustrated.
- thermosetting resin 41a before thermosetting is arrange
- a thermosetting epoxy resin composition is used, and as the thermosetting epoxy resin composition, an epoxy resin and an organic acid are contained or thermosetting using an organic acid curing agent is used.
- the curing agent containing an organic acid include a phenol curing agent, an acid anhydride curing agent, a carboxylic acid curing agent, and the like.
- the thermosetting resin 41a may be a liquid or a semi-cured (B stage) film.
- the wiring material 24 whose outer peripheral surface is coated with the solder 31 is positioned on the current collecting electrode 5, and the temperature higher than the melting point of the solder 31 in a state where the wiring material 24 is pressed onto the current collecting electrode 5. Heat to.
- the joint surface between the wiring member 24 and the current collecting electrode 5 is joined by the solder 31 to form a solder joint 31a as shown in FIG.
- the side surface of the solder joint portion 31a is covered with the thermosetting resin 41 obtained by curing the thermosetting resin 41a, and the joining of the wiring member 24 and the current collecting electrode 5 by the solder 31 is reinforced.
- thermosetting resin 41 protruding from between the current collecting electrode 5 and the wiring material 24.
- the wetting height 42 of the thermosetting resin 41 formed so as to cover the side surfaces of the current collecting electrode 5 and the wiring member 24 in the longitudinal direction is made lower than that of the wiring member 24 by the protrusion. If the height is higher than the wiring material 24, the thermal expansion of the thermosetting resin 41 is larger than that of the wiring material 24, so that the wiring material 24 is peeled off. Further, the protruding thermosetting resin 41 wets the wiring member 24 and spreads on the light receiving surface 2 a of the solar cell element 1 through the collector electrode 5. Since there is a concern that the light receiving efficiency may be lowered when spreading on the light receiving surface 2a, the wetting height 42 to the wiring member 24 is desirably 1/2 or less of the thickness of the wiring member 24 from the solder joint interface.
- thermosetting epoxy resin composition containing an organic acid or using an organic acid as a curing agent has a function of reducing and removing the oxide film on the surface of the solder 31 in the process of thermosetting the resin 41a. . For this reason, a flux for removing the oxide film is unnecessary, and it is not necessary to apply the flux in advance at the time of solder joining, and the joining can be performed with good productivity and low cost.
- the wiring member 24 having the outer peripheral surface coated with the solder 31 is used, but other methods such as coating the solder 31 on the current collecting electrode 5 may be employed.
- the collector electrode 5 formed on the light receiving surface 2 a of one solar cell element 1 and the collector electrode 8 formed on the back surface 2 b of the other solar cell element 1 are electrically connected by the wiring member 24. To do. By repeating such connection, a solar cell string 10 in which a plurality of solar cell elements 1 are electrically connected is formed.
- the solar cell string 10 is sealed in a sealing material 23 sandwiched between the light-receiving surface side protective material 21 and the back surface side protective material 22 by a known method.
- the solar cell module 100 according to the first embodiment is obtained.
- the collector electrode of the solar cell element 1 and the wiring material are joined by solder. Moreover, the side surface part in the longitudinal direction of the current collection electrode 5 and the wiring material 24 is covered with the thermosetting resin 41, and the joining of a current collection electrode and a wiring material is reinforced. Moreover, since the side surface of the solder joint portion 31a is covered with the thermosetting resin 41, the current collecting electrode and the wiring member are joined and reinforced with the thermosetting resin 41. Thereby, the solar cell module excellent in mechanical strength, joining reliability, and photoelectric conversion efficiency is obtained.
- thermosetting epoxy resin compositions containing organic acids or using organic acid hardeners exhibit good flux bonding (reduction of solder oxide film), which enables good solder bonding and connection.
- a highly reliable solar cell module can be obtained.
- solder joint and the resin reinforcement of the solder joint can be performed simultaneously without using a flux, a highly productive solar cell module can be obtained at a low cost.
- the configuration of the solar cell element 1 is not limited to the above configuration, and various configurations can be applied as long as the collector electrode is formed on the light receiving surface and the back surface.
- FIG. Embodiment 2 demonstrates the modification of the manufacturing method of the solar cell module concerning Embodiment 1.
- FIG. 7 is a cross-sectional view showing another connection method between the collecting electrode and the wiring member.
- FIG. 7 is a drawing corresponding to FIG. 6, and the same members as those in FIG. 6 are denoted by the same reference numerals.
- thermosetting resin 41a before thermosetting is disposed on the collecting electrode 5 (FIG. 7B).
- the width of the thermosetting resin 41 a is set smaller than the width of the current collecting electrode 5.
- the width of the thermosetting resin 41 a is the short direction of the current collecting electrode 5.
- the thermosetting resin 41a includes an organic acid or a thermosetting resin containing a phenol curing agent, an acid anhydride curing agent, a carboxylic acid curing agent, or the like that is a curing agent for an organic acid.
- a thermosetting resin 41a which is an epoxy resin, a liquid resin may be used, or a semi-cured (B stage) film may be used.
- the wiring member 24 whose outer peripheral surface is coated with the solder 31 is aligned on the collecting electrode 5. Then, the wiring member 24 is pressed onto the current collecting electrode 5 and heated to a temperature equal to or higher than the melting point temperature of the solder 31. The joint surface between the wiring member 24 and the current collecting electrode 5 is joined by the solder 31 to form a solder joint 31a as shown in FIG. Further, the side surface of the solder joint portion 31a is covered with the thermosetting resin 41 obtained by curing the thermosetting resin 41a, and reinforces the bonding between the wiring member 24 and the current collecting electrode 5 by the solder 31.
- thermosetting resin 41 does not protrude from between the current collecting electrode 5 and the wiring material 24 at the side surface in the longitudinal direction between the current collecting electrode 5 and the wiring material 24. Therefore, the thermosetting resin 41 covers the periphery of the solder 31 and joins only in the region between the current collecting electrode 5 and the wiring member 24 to reinforce the bonding between the current collecting electrode 5 and the wiring material 24. Then, the wiring member 24 and the collecting electrode 5 are joined by the solder 31 and the thermosetting resin 41 (FIG. 7C). In this case, it is possible to increase the light receiving surface while ensuring the bonding reliability, and to improve the photoelectric conversion efficiency.
- thermosetting epoxy resin composition containing an organic acid or using a curing agent of an organic acid reduces the oxide film on the surface of the solder 31 in the process of thermosetting the resin 41a. And has the effect of removing. For this reason, a flux for removing the oxide film is unnecessary, and bonding can be performed with high productivity.
- the wiring member 24 having the outer peripheral surface coated with the solder 31 is used, but other methods such as coating the solder 31 on the current collecting electrode 5 may be employed.
- the collector electrode 5 formed on the light receiving surface 2 a of one solar cell element 1 and the collector electrode 8 formed on the back surface 2 b of the other solar cell element 1 are electrically connected by the wiring member 24. To do. By repeating such connection, a solar cell string 10 in which a plurality of solar cell elements 1 are electrically connected is formed.
- the solar cell string 10 is sealed in a sealing material 23 sandwiched between the light-receiving surface side protective material 21 and the back surface side protective material 22 by a known method.
- a solar cell module is obtained by performing the above process.
- the collector electrode of the solar cell element 1 and the wiring material are joined by the solder 31 as in the case of the first embodiment.
- the side surface of the solder joint portion 31a is covered with the thermosetting resin 41, the current collecting electrode and the wiring member are joined and reinforced with the thermosetting resin 41.
- the side surface in the longitudinal direction of the solder 31 between the current collecting electrode 5 and the wiring material 24 is covered with the thermosetting resin 41, and the bonding between the wiring material 24 and the current collecting electrode 5 by the solder 31 is reinforced. Is done. Thereby, the solar cell module excellent in mechanical strength, joining reliability, and photoelectric conversion efficiency is obtained.
- thermosetting resin 41 does not protrude from the side surfaces in the longitudinal direction of the current collecting electrode 5 and the wiring member 24, and the side surface of the solder joint is covered with the thermosetting resin 41. Further, the bonding between the wiring member 24 and the current collecting electrode 5 by solder bonding can be reinforced. Accordingly, it is possible to increase the light receiving surface while ensuring the bonding reliability, and to further improve the photoelectric conversion efficiency.
- thermosetting epoxy resin composition using an organic acid as a curing agent exhibits a flux activity (reduction of the solder oxide film) by itself, so that a good solder joint is possible, and a solar with high connection reliability. A battery module is obtained.
- solder joint and the resin reinforcement of the solder joint portion 31a can be simultaneously performed without using a flux, a highly productive solar cell module can be obtained at low cost.
- the solar cell module according to the present invention is useful for realizing a solar cell module having excellent mechanical strength, bonding reliability, and photoelectric conversion efficiency between the wiring material and the electrode.
Landscapes
- Photovoltaic Devices (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Description
図1は、本発明の実施の形態1にかかる太陽電池モジュール100の構成を示す断面図である。実施の形態1にかかる太陽電池モジュール100は、図1に示すように太陽電池素子1が配線材24によって接続された太陽電池ストリング10、受光面側保護材21、裏面側保護材22および封止材23を含んで構成されている。そして、太陽電池ストリング10が、太陽電池モジュール100の表面側(受光面側)に配置された受光面側保護材21と太陽電池モジュール100の受光面と反対側(裏面側)に配置された裏面側保護材22との間に狭持された封止材23の中に封止されている。この太陽電池モジュール100では、受光面側保護材21側から光Lが入射する。
実施の形態2では、実施の形態1にかかる太陽電池モジュールの製造方法の変形例について説明する。図7は、集電電極と配線材との他の接続方法を示す断面図である。図7は、図6に対応する図面であり、図6と同じ部材には同じ符号を付してある。
2 光電変換部
2a 受光面
2b 裏面
3 表面電極
4 細線電極
5 集電電極
5a バインダー
5b Ag粒子
6 裏面電極
7 細線電極
8 集電電極
10 太陽電池ストリング
21 受光面側保護材
22 裏面側保護材
23 封止材
24 配線材
31 はんだ
31a はんだ接合部
41 熱硬化性樹脂
41a 熱硬化前の熱硬化性樹脂
42 熱硬化性樹脂の配線材への濡れ高さ
100 太陽電池モジュール
L 光
Claims (5)
- 複数の太陽電池素子の電極間が導電性の配線材により電気的に接続された太陽電池モジュールであって、
前記電極と前記配線材とが前記電極上においてはんだによりはんだ接合されるとともに、少なくとも前記はんだと前記電極とのはんだ接合部の側面を覆って樹脂が配置され、前記樹脂の前記配線材での濡れ高さは配線材よりも低いこと、
を特徴とする太陽電池モジュール。 - 前記樹脂は、前記電極および前記配線材の幅方向において前記電極および前記配線材の側面よりも内側に配置されていること、
を特徴とする請求項1に記載の太陽電池モジュール。 - 前記樹脂が、有機酸を含有するまたは有機酸の硬化剤を用いた熱硬化性樹脂であること、
を特徴とする請求項1または2に記載の太陽電池モジュール。 - 複数の太陽電池素子の電極間を導電性の配線材により電気的に接続する太陽電池モジュールの製造方法であって、
前記電極と前記配線材との間に、有機酸を含有するまたは有機酸の硬化剤を用いた熱硬化性樹脂とはんだとを配置する第1の工程と、
前記電極と前記配線材とを加圧して、前記はんだの融点以上の温度に加熱し、前記電極と前記配線材とをはんだによりはんだ接合するとともに、前記電極と前記配線材との間からはみ出した前記熱硬化性樹脂により少なくとも前記電極とはんだのはんだ接合部の側面を覆う第2の工程と、
を含むことを特徴とする太陽電池モジュールの製造方法。 - 前記第1工程では、前記熱硬化性樹脂を前記電極および前記配線材の幅方向において前記電極および前記配線材の側面よりも内側に配置し、
前記第2工程では、前記電極と前記配線材との長手方向の側面部に前記熱硬化性樹脂が前記配線材よりはみ出さないこと、
を特徴とする請求項4に記載の太陽電池モジュールの製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/983,601 US20130312810A1 (en) | 2011-04-11 | 2012-04-05 | Solar battery module and manufacturing method thereof |
JP2013509867A JPWO2012141073A1 (ja) | 2011-04-11 | 2012-04-05 | 太陽電池モジュールおよびその製造方法 |
DE112012001641.6T DE112012001641T5 (de) | 2011-04-11 | 2012-04-05 | Solarbatteriemodul und Herstellungsverfahren dafür |
CN201280011809.3A CN103403882B (zh) | 2011-04-11 | 2012-04-05 | 太阳能电池模块及其制造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-087195 | 2011-04-11 | ||
JP2011087195 | 2011-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012141073A1 true WO2012141073A1 (ja) | 2012-10-18 |
Family
ID=47009248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/059360 WO2012141073A1 (ja) | 2011-04-11 | 2012-04-05 | 太陽電池モジュールおよびその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130312810A1 (ja) |
JP (1) | JPWO2012141073A1 (ja) |
CN (1) | CN103403882B (ja) |
DE (1) | DE112012001641T5 (ja) |
WO (1) | WO2012141073A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016134575A (ja) * | 2015-01-21 | 2016-07-25 | パナソニックIpマネジメント株式会社 | 太陽電池モジュール |
WO2024009690A1 (ja) * | 2022-07-05 | 2024-01-11 | デクセリアルズ株式会社 | 太陽電池モジュール、導電性接着材、及び太陽電池モジュールの製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013069425A1 (ja) | 2011-11-09 | 2013-05-16 | 三菱電機株式会社 | 太陽電池モジュールおよびその製造方法 |
US9911874B2 (en) * | 2014-05-30 | 2018-03-06 | Sunpower Corporation | Alignment free solar cell metallization |
KR101875742B1 (ko) * | 2014-08-11 | 2018-08-02 | 엘지전자 주식회사 | 태양 전지 모듈 |
KR20160029983A (ko) * | 2014-09-05 | 2016-03-16 | 주식회사 에스에너지 | 태양전지 모듈 |
CN110168743A (zh) * | 2017-01-16 | 2019-08-23 | 三菱电机株式会社 | 太阳能电池模块制造方法 |
JP2020107758A (ja) * | 2018-12-27 | 2020-07-09 | パナソニック株式会社 | 太陽電池モジュール |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005317904A (ja) * | 2003-11-27 | 2005-11-10 | Kyocera Corp | 太陽電池モジュール |
JP2007016127A (ja) * | 2005-07-07 | 2007-01-25 | Sekisui Chem Co Ltd | エポキシ系接着剤組成物及び接合方法 |
JP2008034592A (ja) * | 2006-07-28 | 2008-02-14 | Sanyo Electric Co Ltd | 光起電力素子及びその製造方法 |
WO2008023795A1 (fr) * | 2006-08-25 | 2008-02-28 | Sanyo Electric Co., Ltd. | Module de pile solaire et procédé de fabrication de module de pile solaire |
JP2009054981A (ja) * | 2007-08-02 | 2009-03-12 | Sanyo Electric Co Ltd | 太陽電池モジュール及びその製造方法 |
JP2009088145A (ja) * | 2007-09-28 | 2009-04-23 | Sharp Corp | 太陽電池、太陽電池の製造方法、太陽電池モジュールの製造方法および太陽電池モジュール |
JP2009283606A (ja) * | 2008-05-21 | 2009-12-03 | Hitachi Chem Co Ltd | 配線部材の接続構造体及び配線部材の接続方法 |
WO2011152372A1 (ja) * | 2010-05-31 | 2011-12-08 | 三洋電機株式会社 | 太陽電池モジュール及びその製造方法 |
WO2011152309A1 (ja) * | 2010-05-31 | 2011-12-08 | 三洋電機株式会社 | 太陽電池モジュール及びその製造方法 |
WO2012043491A1 (ja) * | 2010-09-29 | 2012-04-05 | 日立化成工業株式会社 | 太陽電池モジュール |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4340402C2 (de) * | 1993-11-26 | 1996-01-11 | Siemens Solar Gmbh | Verfahren zur Kontaktierung von Dünnschichtsolarmodulen |
EP2020688B1 (en) * | 2007-08-02 | 2013-11-27 | Sanyo Electric Co., Ltd. | Solar cell interconnection using thermo-compression bonding and correspondingly fabricated module |
JP4463297B2 (ja) * | 2007-08-07 | 2010-05-19 | 三洋電機株式会社 | 太陽電池モジュール |
MY153382A (en) * | 2009-04-21 | 2015-01-29 | Sanyo Electric Co | Solar cell module |
CN103262254B (zh) * | 2010-12-21 | 2015-10-07 | 三菱电机株式会社 | 太阳能电池模块及其制造方法 |
-
2012
- 2012-04-05 JP JP2013509867A patent/JPWO2012141073A1/ja active Pending
- 2012-04-05 WO PCT/JP2012/059360 patent/WO2012141073A1/ja active Application Filing
- 2012-04-05 CN CN201280011809.3A patent/CN103403882B/zh not_active Expired - Fee Related
- 2012-04-05 DE DE112012001641.6T patent/DE112012001641T5/de not_active Withdrawn
- 2012-04-05 US US13/983,601 patent/US20130312810A1/en not_active Abandoned
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005317904A (ja) * | 2003-11-27 | 2005-11-10 | Kyocera Corp | 太陽電池モジュール |
JP2007016127A (ja) * | 2005-07-07 | 2007-01-25 | Sekisui Chem Co Ltd | エポキシ系接着剤組成物及び接合方法 |
JP2008034592A (ja) * | 2006-07-28 | 2008-02-14 | Sanyo Electric Co Ltd | 光起電力素子及びその製造方法 |
WO2008023795A1 (fr) * | 2006-08-25 | 2008-02-28 | Sanyo Electric Co., Ltd. | Module de pile solaire et procédé de fabrication de module de pile solaire |
JP2009054981A (ja) * | 2007-08-02 | 2009-03-12 | Sanyo Electric Co Ltd | 太陽電池モジュール及びその製造方法 |
JP2009088145A (ja) * | 2007-09-28 | 2009-04-23 | Sharp Corp | 太陽電池、太陽電池の製造方法、太陽電池モジュールの製造方法および太陽電池モジュール |
JP2009283606A (ja) * | 2008-05-21 | 2009-12-03 | Hitachi Chem Co Ltd | 配線部材の接続構造体及び配線部材の接続方法 |
WO2011152372A1 (ja) * | 2010-05-31 | 2011-12-08 | 三洋電機株式会社 | 太陽電池モジュール及びその製造方法 |
WO2011152309A1 (ja) * | 2010-05-31 | 2011-12-08 | 三洋電機株式会社 | 太陽電池モジュール及びその製造方法 |
WO2012043491A1 (ja) * | 2010-09-29 | 2012-04-05 | 日立化成工業株式会社 | 太陽電池モジュール |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016134575A (ja) * | 2015-01-21 | 2016-07-25 | パナソニックIpマネジメント株式会社 | 太陽電池モジュール |
WO2024009690A1 (ja) * | 2022-07-05 | 2024-01-11 | デクセリアルズ株式会社 | 太陽電池モジュール、導電性接着材、及び太陽電池モジュールの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20130312810A1 (en) | 2013-11-28 |
CN103403882B (zh) | 2016-08-17 |
JPWO2012141073A1 (ja) | 2014-07-28 |
CN103403882A (zh) | 2013-11-20 |
DE112012001641T5 (de) | 2014-02-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103875078B (zh) | 太阳能电池模块及其制造方法 | |
CN103403882B (zh) | 太阳能电池模块及其制造方法 | |
US10056504B2 (en) | Photovoltaic module | |
JP4463297B2 (ja) | 太陽電池モジュール | |
JP4024161B2 (ja) | 太陽電池モジュールの製造方法 | |
CN103262254B (zh) | 太阳能电池模块及其制造方法 | |
JP2005252062A (ja) | 太陽電池装置 | |
WO2011152309A1 (ja) | 太陽電池モジュール及びその製造方法 | |
US9437765B2 (en) | Solar cell module and solar cell module manufacturing method | |
JP5616913B2 (ja) | 太陽電池モジュール及びその製造方法 | |
JPWO2011093321A1 (ja) | 太陽電池モジュール及びその製造方法 | |
CN116581194A (zh) | 一种光伏组件的制备方法及光伏组件 | |
US20220069141A1 (en) | Low temperature metallic interconnect for solar cell shingling | |
JP2014175520A (ja) | 太陽電池モジュ−ル及びその製造方法 | |
CN113725312A (zh) | 光伏组件和光伏组件的制造方法 | |
JP5558940B2 (ja) | 太陽電池モジュール及びその製造方法 | |
JP5611250B2 (ja) | 太陽光発電モジュールの製造方法 | |
JP2004200512A (ja) | 光電変換装置 | |
JP2018186248A (ja) | 太陽電池モジュール | |
KR20240125675A (ko) | 전극 조립체 | |
JP2003142711A (ja) | 集積型太陽電池の製造方法 | |
JP2004063500A (ja) | 光電変換装置およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12770760 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2013509867 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13983601 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112012001641 Country of ref document: DE Ref document number: 1120120016416 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12770760 Country of ref document: EP Kind code of ref document: A1 |