WO2022260244A1 - Module de cellule solaire et son procédé de fabrication - Google Patents

Module de cellule solaire et son procédé de fabrication Download PDF

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Publication number
WO2022260244A1
WO2022260244A1 PCT/KR2022/003198 KR2022003198W WO2022260244A1 WO 2022260244 A1 WO2022260244 A1 WO 2022260244A1 KR 2022003198 W KR2022003198 W KR 2022003198W WO 2022260244 A1 WO2022260244 A1 WO 2022260244A1
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WO
WIPO (PCT)
Prior art keywords
encapsulant
solar
solar cell
solar cells
accommodating
Prior art date
Application number
PCT/KR2022/003198
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English (en)
Korean (ko)
Inventor
김동환
강윤묵
이해석
전용석
고종원
채경진
Original Assignee
고려대학교 산학협력단
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Publication of WO2022260244A1 publication Critical patent/WO2022260244A1/fr

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    • 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
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • 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
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1876—Particular processes or apparatus for batch treatment of the devices
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • 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

Definitions

  • the present invention relates to a solar module.
  • a device that converts the energy of photons generated from the sun into electrical energy through the photoelectric effect is called a solar cell, and an assembly of two or more solar cells connected in series or parallel to a single circuit is called a photovoltaic module.
  • the core material of a solar cell is a light absorbing layer that exhibits the photoelectric effect, and the materials include silicon, CIGS (Copper Indium Gallium Selenide), CdTe (Cadmium Telluride), III-V group element composites, photoactive organic materials, and perovskites. There are skites, quantum dots, etc.
  • a photovoltaic system is a system that converts light energy into electrical energy using solar cells, and is used as an independent power source for general households or industries, or used as an auxiliary power source in conjunction with a commercial AC power system.
  • the solar cell is manufactured by p-n junction of semiconductor materials, and uses the photovoltaic effect in which a small amount of current flows when receiving light.
  • Most common solar cells are composed of a large-area p-n junction diode, When the electromotive force generated at the positive end of the p-n junction diode is connected to an external circuit, it functions as a unit solar cell. Since the solar cell constructed as described above has a small electromotive force, a photovoltaic module having an appropriate electromotive force is configured and used by connecting a plurality of solar cells.
  • a grid-connected photovoltaic system which is commonly used as a building exterior type, includes a plurality of solar cell arrays that convert solar energy into electrical energy, and DC power, which is electrical energy converted from the solar arrays, into AC power. It is composed of an inverter that converts it to a user and supplies it to the user.
  • the conventional photovoltaic system has a complicated installation structure, making it difficult to install and expand.
  • An object of the present invention is to provide a solar module that is easy to install and expand, and can easily control the arrangement of each of a plurality of solar cells.
  • a solar module includes a plurality of solar cells; A first encapsulant for accommodating the plurality of solar cells therein; a second encapsulant for accommodating the first encapsulant therein; Including, each of the plurality of solar cells may form an angle of 30 degrees to 90 degrees with respect to the longitudinal direction of the second encapsulant.
  • the first encapsulant may include an accommodating portion accommodating each of the plurality of solar cells and a connection portion connecting the accommodating portion, and the accommodating portion and the connection portion may be bent.
  • the outer surface of the first encapsulant may be spaced apart from the outer surface of the second encapsulant.
  • a scattering unit dispersed in at least one of the first encapsulant and the second encapsulant may be further included.
  • an angle formed between the first solar cell and the second solar cell adjacent to each other within the first encapsulant may have an acute angle.
  • a reflector disposed on at least one of the side surfaces of the accommodation unit may be further included.
  • first encapsulant and the second encapsulant may have different refractive indices.
  • first encapsulant and the second encapsulant may have the same refractive index.
  • the method of manufacturing a solar module comprises the steps of disposing a plurality of solar cells having one side and the other side spaced apart in a first encapsulant; Maintaining the bent shape by bending the first encapsulant so that one side of the adjacent solar cell faces each other, one side of the adjacent solar cell faces each other, or the other side of the adjacent solar cell faces each other. ; and arranging the bent first encapsulant and the plurality of solar cells in a second encapsulant.
  • a step of curing at least one of the first encapsulant and the second encapsulant may be further included.
  • distributing the scattering parts within the first encapsulation material or the second encapsulation material may be further included.
  • the first encapsulant may include an accommodating portion accommodating each of the plurality of solar cells and a connecting portion connecting the accommodating portion, and in the step of bending the first encapsulant, the accommodating portion and the connecting portion may be bent.
  • an angle between the first solar cell and the second solar cell adjacent to each other within the first encapsulant may have an acute angle.
  • an angle formed between the adjacent first solar cell and the second solar cell may be different from an angle formed between the adjacent second solar cell and the third solar cell.
  • installation and expansion are easy, and it is possible to easily control the arrangement of each of a plurality of solar cells.
  • FIG. 1 to 3 are exemplary views sequentially showing a manufacturing process of a solar module according to a first embodiment of the present invention
  • FIG. 4 is a side view schematically showing a solar module according to a first embodiment of the present invention.
  • FIG. 5 is a side view schematically showing a solar module according to a second embodiment of the present invention.
  • FIG. 6 is a side view schematically showing a solar module according to a third embodiment of the present invention.
  • FIG. 7 is a side view schematically showing a solar module according to a fourth embodiment of the present invention.
  • FIG. 8 is a side view schematically showing a solar module according to a fifth embodiment of the present invention.
  • FIG. 9 is a side view schematically showing a solar module according to a sixth embodiment of the present invention.
  • FIG. 10 is a side view schematically showing a solar module according to a seventh embodiment of the present invention.
  • FIG. 11 is a schematic side view of a solar module according to an eighth embodiment of the present invention.
  • FIG. 1 to 3 are exemplary views sequentially showing a manufacturing process of a solar module according to a first embodiment of the present invention
  • FIG. 4 is a side view schematically showing a solar module according to a first embodiment of the present invention. .
  • the solar module 100 includes a solar cell 110, a first encapsulant 120, a second encapsulant 130, and a first substrate. 140 and a second substrate 150.
  • the solar module 100 includes a plurality of first solar cells 110 having lengths in a first direction (X-axis direction). It is inserted into and fixed to the encapsulant 120 and the second encapsulant 130, and may be spaced apart from each other in the second direction (Y-axis direction).
  • a plurality of solar cells 110 may be spaced apart from each other in the longitudinal direction (X-axis direction) within the first encapsulant 120 .
  • the solar cell 110 may be formed in a shape having a thickness and a width.
  • the solar cell 110 may be a thin-film solar cell 110 having a thickness of 10 nm to 10 um or a silicon solar cell 110 having a thickness of 50 to 300 um.
  • the type of solar cell 110 applied in the present invention is not limited, but a silicon solar cell or the like can be applied in the present invention.
  • silicon solar cells can be classified in various ways according to the type and structure of the substrate used, and can be largely classified into multicrystalline and single crystal silicon solar cells according to the crystal characteristics of the light absorption layer.
  • a single-crystal solar cell is a solar cell made of a single-crystal silicon wafer as a substrate.
  • a silicon solar cell may be a tandem layer in which solar cells absorbing light of different wavelengths are stacked on a silicon solar cell, or a triple junction layer in which solar cells absorbing light of another wavelength are further stacked on top of the silicon solar cell. (Triple Junction), etc., or manufactured in a hybrid structure to increase the conversion efficiency to a level higher than that of a conventional silicon solar cell.
  • the first encapsulant 120 is preferably made of a material that is transparent, flexible, easily deformable, and curable by heat or UV.
  • the first encapsulant 120 may be configured in the form of a film capable of maintaining its shape by being bent.
  • the first encapsulant 120 may be made of EVA material.
  • the first encapsulant 120 is not limited to EVA, and all materials usable as encapsulants of solar modules may be used.
  • the first encapsulant 120 may prevent corrosion due to moisture permeation and protect the plurality of solar cells 110 from impact.
  • the first encapsulant 120 may be made of materials such as ethylene vinyl acetate (EVA), polyolefin (PO), IONOMER, polyvinyl butyral (PVB), and silicone resin.
  • a plurality of solar cells 110 may be spaced apart from each other in the first encapsulant 120 , and the first encapsulant 120 may cover the entire surface of the solar cell 110 .
  • the first encapsulant 120 may include an accommodating portion 121 accommodating each of the plurality of solar cells 110 and a connection portion 122 connecting the accommodating portions 121 to each other.
  • a virtual bending line 1 may be formed in the connection part 122, and one end or both ends of the connection part 122 is bent along the bending line 1 so that the receiving part 121 and the connection part 122 form an angle between them.
  • the connecting portion 122 is bent along the bending line 1 so that adjacent solar cells 110 may face each other on opposite sides. That is, after the first encapsulant 120 is bent, one side surface of the first solar cell 111 and the other side surface of the second solar cell 112 may be disposed to face each other.
  • the first solar cell 111 and the second solar cell 112 are illustrated as being disposed parallel to each other, but the first solar cell 111 and the second solar cell 111 Each of the solar cells 112 may have a height direction (Y-axis direction) and an angle between 30 and 90 degrees.
  • the first encapsulant 120 is not restored to its original shape when the external force is removed after being hardened after being bent into a set shape.
  • the original shape may not be restored when the external force is removed without a hardening process.
  • the second encapsulant 130 is made of a transparent material and can completely surround the bent first encapsulant 120 after accommodating the plurality of solar cells 110 .
  • the second encapsulant 130 may be made of EVA material.
  • the second encapsulant 130 is not limited to EVA, and all materials usable as encapsulants of solar modules may be used.
  • the second encapsulant 130 may prevent corrosion due to moisture permeation and protect the plurality of solar cells 110 from impact.
  • the second encapsulant 130 may be made of materials such as ethylene vinyl acetate (EVA), polyolefin (PO), IONOMER, polyvinyl butyral (PVB), and silicone resin.
  • the second encapsulant 130 may be made of the same material as or a different material from the first encapsulant 120 .
  • the second encapsulant 130 may have the same or different refractive index from the first encapsulant 120 .
  • the refractive indices of the first encapsulant 120 and the second encapsulant 130 are the same, transparency may be improved according to the first encapsulant 120 and the second encapsulant 130, and vice versa.
  • the refractive indices of the first encapsulation material 120 and the second encapsulation material 130 are different, the transparency may be reduced, but the difference in refractive index between the interfaces of the first encapsulation material 120 and the second encapsulation material 130 results in light Since refraction and reflection occur, the photoelectric efficiency of the solar module may be improved.
  • the outer surface of the first encapsulant 120 may be spaced apart from the outer surface of the second encapsulant 130 . That is, the second encapsulant 130 may completely surround the front surface of the first encapsulant 120 .
  • the first substrate 140 and the second substrate 150 are disposed on the front and rear sides of the second encapsulant 130, respectively, to form the solar module 100 according to the first siling example. can be manufactured
  • the first substrate 140 may have a multi-layer structure such as a layer that prevents penetration of moisture and oxygen, a layer that prevents chemical corrosion, and a layer that has insulating properties.
  • the first substrate 140 may have a PVF (polyvinyl fluoride), PVDF (polyvinylidene fluoride), PET (polyethylene terephtalate), and low iron tempered glass.
  • the first substrate 140 is not limited to these materials and may be made of a transparent substrate like the second substrate 150 .
  • the second substrate 150 is formed in the form of a film and disposed in front of the module, and may be made of tempered glass having high transmittance and excellent breakage prevention function to transmit incident light or a high transmittance fluorine film.
  • the tempered glass may be low iron tempered glass having a low iron content.
  • FIG. 5 is a side view schematically showing a solar module according to a second embodiment of the present invention.
  • the solar module 200 according to the second embodiment has a different configuration of the solar module 100 according to the first embodiment shown in FIG. 4 and the first encapsulant 220, Later, with respect to the solar module 200 according to the second embodiment, the first encapsulant 220 will be described in detail.
  • the accommodating portion 221 and the connecting portion 222 have a bent shape of the photovoltaic module according to the first embodiment. It may be different from the first encapsulant 120 of (100).
  • the first encapsulant 220 forms an angle with an imaginary line 2 parallel to the longitudinal direction (Y-axis direction) of the second encapsulant 130, the first substrate 140, and the second substrate 150 ( ⁇ ) may be formed at an acute angle.
  • the light incident toward the second substrate 150 is directly incident on the light-receiving surface (one side or both sides) of the solar cell 110, or is refracted through the first encapsulant 220 and the second encapsulant 130. And it may be incident on the light receiving surface (one side or both sides) of the solar cell 110 by reflection.
  • FIG. 6 is a side view schematically showing a solar module according to a third embodiment of the present invention.
  • the photovoltaic module 300 according to the third embodiment has a different configuration of the photovoltaic module 100 according to the first embodiment shown in FIG. 4 and the first encapsulant 320, Later, with respect to the photovoltaic module 300 according to the third embodiment, the first encapsulant 320 will be described in detail.
  • the accommodating part 321 and the connecting part 322 have a bent shape, and the solar module according to the first embodiment It may be different from the first encapsulant 120 of (100).
  • the accommodating portion 321 and the connecting portion 322 are not bent, and the connecting portion 322 has a predetermined curvature and may connect adjacent accommodating portions 321.
  • both the inner and outer surfaces of the connecting portion 322 may have curvature, and the light incident toward the second substrate 150 may be directly incident on the light-receiving surface (one or both sides) of the solar cell 110, or It can be seen through the curved surface of the connecting portion 322 of the material 320 and can be effectively refracted, so that the light receiving surface of the solar cell 110 is refracted and reflected through the first encapsulant 320 and the second encapsulant 130. (One side or both sides) can be incident.
  • FIG. 7 is a schematic side view of a solar module according to a fourth embodiment of the present invention.
  • the solar module 400 according to the fourth embodiment has a different configuration of the solar module 200 according to the second embodiment shown in FIG. 5 and the first encapsulant 420, Later, with respect to the solar module 400 according to the fourth embodiment, the first encapsulant 420 will be described in detail.
  • the accommodating part 421 and the connecting part 422 have a bent shape, and the photovoltaic module according to the second embodiment It may be different from the first encapsulant 220 of (200).
  • the first encapsulant 220 of the photovoltaic module 200 according to the second embodiment is arranged so that all of the plurality of neighboring solar cells 110 have an angle in the same (or similar) direction, while Odd-numbered solar cells 111 and 113 are disposed in the same direction by the first encapsulant 420 of the solar module 400 according to the fourth embodiment, and even-numbered solar cells 112 and 114 are disposed in the same direction are placed as
  • the adjacent solar cells 111 and 112 (112 and 113) (113 and 114) may have an angle ⁇ 1 between them to form a “V” shape.
  • the four adjacent solar cells 111, 112, 113, and 114 may form a mutually “W” shape.
  • the light incident toward the second substrate 150 is directly incident on the light-receiving surface (one or both sides) of the solar cell 110, or is refracted through the first encapsulant 420 and the second encapsulant 130. And it can be incident on the light receiving surface (one side or both sides) of the solar cell 110 by reflection, and can be designed in various designs according to the installation environment of the solar module 400.
  • FIG 8 is a side view schematically showing a solar module according to a fifth embodiment of the present invention.
  • the solar module 400 according to the fifth embodiment has a different configuration of the solar module 400 according to the fourth embodiment shown in FIG. 7 and the first encapsulant 520, Later, with respect to the solar module 500 according to the fifth embodiment, the first encapsulant 520 will be described in detail.
  • the accommodating portion 521 and the connecting portion 522 have a bent shape, and the photovoltaic module according to the fourth embodiment It may be different from the first encapsulant 420 of (500).
  • the first encapsulant 420 of the photovoltaic module 400 according to the fourth embodiment has the same (or similar) angles ⁇ 1 formed by a plurality of neighboring solar cells 110, while the first encapsulant 420 has the same (or similar)
  • the angles ⁇ 1 between the plurality of solar cells 110 formed by the first encapsulant 520 of the solar module 500 according to the fifth embodiment may all be different.
  • the solar cell 111 disposed in the visible region S1 which is an area corresponding to the user's field of view, is disposed in the longitudinal direction (Y) of the second encapsulant 130, the first substrate 140, and the second substrate 150.
  • axial direction is arranged close to a right angle, and light transmittance can be improved.
  • the solar cells 112 and 113 disposed in the peripheral area S2, which is an area out of the user's field of view are disposed in the longitudinal direction of the second encapsulant 130, the first substrate 140, and the second substrate 150 ( Y-axis direction) has an acute angle, so that the light incident on the light-receiving surface can be utilized more efficiently.
  • the photoelectric efficiency of the entire solar module 500 can be improved by improving the transmittance in the visible region S1 and supplementing the photoelectric efficiency that may be reduced by the transmittance improvement in the peripheral region S2.
  • FIG. 9 is a schematic side view of a solar module according to a sixth embodiment of the present invention.
  • the solar module 600 according to the sixth embodiment has a different configuration of the solar module 100 according to the first embodiment shown in FIG. 4 and the reflector 610, and later Regarding the solar module 600 according to the sixth embodiment, the reflector 610 will be described in detail.
  • the solar module 600 includes a reflector 610 disposed on a surface (one side surface) of the receiving part 121 of the first encapsulant 120.
  • a reflector 610 disposed on a surface (one side surface) of the receiving part 121 of the first encapsulant 120.
  • the reflector 610 may be formed of a metallic thin film and may include silver (Ag) or aluminum (Al).
  • the reflector 610 may reflect light incident through the second substrate 150 .
  • the reflector 610 may be disposed on all of one side surface of the accommodating portion 121 of the first encapsulant 120, or the reflector 610 may be the first encapsulant ( 120) may be disposed on at least a part of one side of the accommodating part 121.
  • the plurality of solar cells 110 are double-sided light receiving
  • the reflector 610 when the reflector 610 is partially disposed on one side of the accommodating unit 121, the reflecting unit 610 disposed on one side of the accommodating unit 121
  • the light reflected through may be transferred to the light receiving surface of the other side of the adjacent solar cell 110, and some of the light is received in one direction of the solar cell 110 through a space in which the reflector 610 is not disposed. It can be applied directly to the surface.
  • FIG. 10 is a side view schematically showing a solar module according to a seventh embodiment of the present invention.
  • the solar module 700 according to the seventh embodiment has a different configuration of the solar module 400 and the reflector 710 according to the fourth embodiment shown in FIG. 7 , and later Regarding the solar module 700 according to the seventh embodiment, the reflector 710 will be described in detail.
  • the solar module 700 includes a reflector 710 disposed on a surface (one side) of the receiving part 121 of the first encapsulant 120 in one direction.
  • a reflector 710 disposed on a surface (one side) of the receiving part 121 of the first encapsulant 120 in one direction.
  • the reflector 710 may be formed of a metallic thin film and may include silver (Ag) or aluminum (Al).
  • the reflector 710 may reflect light incident through the second substrate 150 .
  • the reflector 710 may be selectively disposed only on the first solar cell 111 and the third solar cell 113 disposed so that one side of the plurality of solar cells 110 faces the second substrate 250.
  • the reflector 710 may be disposed on the entire one side surface of the accommodating part 121 of the first encapsulant 120, or the reflector 710 may be the first encapsulant ( 120) may be disposed on at least a part of one side of the accommodating part 121.
  • the reflector 710 when the surface of the plurality of solar cells 110 in the other direction is a light-receiving surface, when the reflector 710 is disposed on all of one side of the accommodating part 121, it is in one direction of the accommodating part 121 Light reflected through the disposed reflector 710 may be transmitted to a light receiving surface of a neighboring solar cell 110 .
  • the plurality of solar cells 110 are double-sided light receiving
  • the reflector 710 when the reflector 710 is partially disposed on one side of the accommodating unit 121, the reflecting unit 710 disposed on one side of the accommodating unit 121
  • the light reflected through may be transmitted to the light receiving surface of the other side of the adjacent solar cell 110, and some of the light is received in one direction of the solar cell 110 through a space in which the reflector 710 is not disposed. It can be applied directly to the surface.
  • FIG. 11 is a schematic side view of a solar module according to an eighth embodiment of the present invention.
  • the solar module 800 according to the eighth embodiment has different configurations of scattering units 810 and 820 from the solar module 100 according to the first embodiment shown in FIG. 4 , In the following, the scattering units 810 and 820 of the solar module 800 according to the eighth embodiment will be described in detail.
  • the scattering unit 810 may be selectively disposed within the first encapsulant 120 .
  • the scattering unit 810 may be selectively disposed in the connecting portion of the first encapsulant 120 .
  • the scattering unit 810 may be disposed in the form of a plurality of nanoparticles within the first encapsulant 120, and may disperse and concentrate incident sunlight toward the solar cell 110, thereby increasing photoelectric efficiency. can improve
  • a luminescent solar concentrator may be applied to the scattering unit 810 .
  • the scattering unit 820 may be selectively disposed within the second encapsulant 130 .
  • the scattering unit 820 may be disposed in the form of a plurality of nanoparticles within the second encapsulant 130, and may disperse incident sunlight and concentrate it toward the solar cell 110, thereby increasing photoelectric efficiency. can improve
  • a luminescent solar concentrator may be applied to the scattering unit 820 .
  • each of the first scattering unit 810 and the second scattering unit 820 may be disposed in the form of a plurality of nanoparticles, and may disperse incident sunlight and condense it toward the solar cell 110. Through this, the photoelectric efficiency can be improved.

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
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  • Microelectronics & Electronic Packaging (AREA)
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  • Manufacturing & Machinery (AREA)
  • Photovoltaic Devices (AREA)

Abstract

La présente invention concerne un module de cellule solaire comprenant une pluralité de cellules solaires, un premier encapsulant destiné à recevoir la pluralité de cellules solaires en son sein, et un second encapsulant destiné à recevoir le premier encapsulant en son sein, chaque cellule solaire de la pluralité de cellules solaires ayant un angle, formé par rapport à une direction longitudinale du second encapsulant, de 30 à 90 degrés.
PCT/KR2022/003198 2021-06-10 2022-03-07 Module de cellule solaire et son procédé de fabrication WO2022260244A1 (fr)

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KR10-2021-0075370 2021-06-10
KR1020210075370A KR102586342B1 (ko) 2021-06-10 2021-06-10 태양광 모듈 및 이의 제조 방법

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KR102660795B1 (ko) * 2022-03-17 2024-04-24 고려대학교 산학협력단 태양광 모듈

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KR20120053127A (ko) * 2010-11-17 2012-05-25 이남형 경사형 태양전지 셀 모듈
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