WO2014157968A1 - Module solaire à poids léger et procédé de fabrication pour celui-ci - Google Patents

Module solaire à poids léger et procédé de fabrication pour celui-ci Download PDF

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Publication number
WO2014157968A1
WO2014157968A1 PCT/KR2014/002629 KR2014002629W WO2014157968A1 WO 2014157968 A1 WO2014157968 A1 WO 2014157968A1 KR 2014002629 W KR2014002629 W KR 2014002629W WO 2014157968 A1 WO2014157968 A1 WO 2014157968A1
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WO
WIPO (PCT)
Prior art keywords
filler
solar module
intermediate material
solar
disposing
Prior art date
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PCT/KR2014/002629
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English (en)
Korean (ko)
Inventor
최기혁
우혁재
정성원
오창원
Original Assignee
에스디엔 주식회사
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
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Application filed by 에스디엔 주식회사 filed Critical 에스디엔 주식회사
Publication of WO2014157968A1 publication Critical patent/WO2014157968A1/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
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • 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
    • H01L31/04—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
    • 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
    • H01L31/0445—PV modules or arrays of single PV cells including thin film solar cells, e.g. single thin film a-Si, CIS or CdTe solar cells
    • 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
    • H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
    • 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

Definitions

  • the present invention relates to a lightweight solar module and a method for manufacturing the same, and more particularly, to a solar module and a method for manufacturing the same, in which the front substrate and the intermediate material of different materials are bonded to reduce the weight of the solar module and increase the module strength. It is about.
  • photovoltaic power generation using solar cells requires no fuel cost, no air pollution or waste generation, using no-pollution-free solar energy, and the power generation part is a semiconductor device, and the control part is an electronic part. There is no In addition, the solar cell has a long life of at least 20 years, easy to automate the power generation system, and has the advantage of minimizing the cost of operation and maintenance.
  • the conventional solar module is about 20 kilograms weight, of which the weight of the tempered glass is about 13 kilograms weight, the thickness of the tempered glass is 3.0 ⁇ 3.2 T.
  • the tempered glass has a great influence on the weight of the solar module.
  • Korean Patent Publication No. 10-2011-0076123 is disclosed.
  • the prior art relates to a method for manufacturing a lightweight solar module by thinning the thickness of the tempered glass used in the solar module, more specifically 0.5 ⁇ 2mm thickness, 85% or more light transmittance in the tempered glass for solar modules
  • thinning the thickness of the tempered glass used in the solar module more specifically 0.5 ⁇ 2mm thickness, 85% or more light transmittance in the tempered glass for solar modules
  • thin-film tempered glass it is possible to reduce the weight of the solar module while maintaining the existing efficiency, and apply it to the solar power plant, residential and building integrated solar modules, thereby reducing the ease of installation work and installation cost.
  • It relates to a manufacturing method of an optical module.
  • the prior art merely limits the physical properties of the tempered glass used, and does not propose a stacking order of the configuration used in the solar module.
  • An object of the present invention is to reduce the thickness of the tempered glass used in the solar module, and to provide structural stability of the solar module using the thin film tempered glass through the polymer bonding.
  • a method of manufacturing a lightweight solar module comprising: disposing a first filler made of ethylene vinyl acetate (EVA) or an olefin (Olefin) on a front substrate; Disposing an intermediate material of a polymer material on the first filler material; Placing a second filler of ethylene vinyl acetate or olefin material on the intermediate material; Disposing a solar cell on the second filler and then connecting electrodes of the solar cell or disposing a plurality of solar cells connected to the electrode on the second filler; Disposing a third filler of ethylene vinyl acetate or olefin material on the solar cell; And arranging a rear substrate on the third filler.
  • EVA ethylene vinyl acetate
  • Ole olefin
  • the method may further comprise laminating at a temperature lower than the heat deformation temperature of the intermediate material.
  • the material of the intermediate material may be any one of PES (Polyethersulfone), PC (Polycarbonate), PI (Polymide).
  • the thickness of the intermediate material may be less than 0.5mmT at 0.1mmT or more.
  • the method may further include laminating at a temperature of 140 ° C. or more and 160 ° C. or less for 20 minutes or more and 30 minutes or less, or laminating at a temperature of 100 ° C. or more and 120 ° C. or less for 60 minutes or more and 70 minutes or less. .
  • the lamination at 200 °C or less if the material of the intermediate material is lamination at 120 °C or less, if the material of the intermediate material is a lamination at 280 °C or less further comprises the step of laminating can do.
  • the solar module according to the present invention can be produced by the above-mentioned method.
  • the lightweight solar module according to the present invention is a front substrate; A first filler made of ethylene vinyl acetate (EVA) or an olefin (Olefin) material disposed on the front substrate; An intermediate material of a polymer material disposed on the first filler; A second filler of ethylene vinyl acetate or olefin material disposed on the intermediate material; A plurality of solar cells disposed on the second filler; A third filler of ethylene vinyl acetate or olefin material disposed on the solar cell; And a rear substrate disposed on the third filler.
  • EVA ethylene vinyl acetate
  • Ole olefin
  • the material of the intermediate material may be any one of PES (Polyethersulfone), PC (Polycarbonate), PI (Polymide).
  • the thickness of the intermediate material may be less than 0.5mmT at 0.1mmT or more.
  • FIG. 1 is a manufacturing process diagram schematically showing a method for manufacturing a lightweight solar cell module according to the present invention.
  • FIG 3 is a side structural view of a lightweight solar cell module according to the present invention.
  • FIG. 4 is a view showing a side structure of a lightweight solar cell module according to another embodiment of the present invention.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • FIG. 1 is a manufacturing process diagram schematically showing a method for manufacturing a lightweight solar cell module according to the present invention.
  • the manufacturing process of the lightweight solar cell module includes disposing a front substrate (S1), disposing a first filler on the disposed front substrate (S3), and placing the first substrate. Disposing the intermediate material on the first filler material (S5), disposing the second filler material on the disposed intermediate material (S7), disposing the solar cell on the disposed second filler material (S9), disposed solar field Disposing the third filler on the ground (S11), disposing the rear substrate on the disposed third filler (S13), laminating the stacked components (S15), and placing the frame on the laminated laminate.
  • a glass material may be used as the front substrate used in the step of disposing the front substrate according to the present invention. More specifically, in the present invention, low iron tempered glass or chemically tempered glass may be used as the front substrate.
  • the tempered glass quenchs the surface of the glass at a high temperature so that the surface is compressively strained and tensilely strained inside.
  • Such tempered glass is about 4 times stronger than general plate glass and about 7 times stronger in impact resistance, more than twice as strong as general plate glass, and high light transmittance.
  • the thickness of the tempered glass used is preferably about 1.5 mm. If it is 0.5 mm or less, the strength is not sufficient, and if it is 2.0 mm or more, it is not preferable for manufacturing a light weight light module.
  • the filler used in the step of disposing the filler according to the present invention it is preferable to use an ethylene vinyl acetate (EVA) sheet or an olefin (Olefin) sheet that is transparent and has excellent light transmittance and good adhesion.
  • EVA ethylene vinyl acetate
  • Olefin olefin
  • the filler becomes a gel state by a high temperature heat source to fill and cool the solar cells and act as an adhesive.
  • the filler serves to bond and simultaneously seal the laminates disposed above and below the filler.
  • EVA sheet that can be used in the present invention has a physical property that the melting temperature increases as the content of vinyl acetate (Vinyl Acetate) is lowered.
  • a general lamination process involves heating the stacked solar modules by an external heat source. In this process, the temperature is increased in the order of the stack disposed in the outermost of the solar module to the stack disposed therein.
  • the vinyl acetate content of the first filler and the third filler is lower than the vinyl acetate content of the second filler, and the melting temperature of the first filler and the third filler is reduced to the second filler. Can be higher than the melting temperature.
  • the vinyl acetate content of the first filler, the second filler, and the third filler is equal in consideration of the properties of the EVA and the lamination process.
  • the vinyl acetate content of the second filler and the third filler may be higher than the vinyl acetate content of the first filler, thereby lowering the melting temperature of the second filler and the third filler.
  • all the EVA laminated on the solar module can be properly melted and hardened, so that the solar module can be obtained to have the best strength.
  • polyethersulfone PES
  • polycarbonate PC
  • polymide PI
  • PES is a transparent amorphous resin that is excellent in heat resistance and hydrolysis resistance, and has good creep resistance and chemical resistance. Therefore, PES is generally used for electric / electronic field, hydrothermal field, automobile field, and heat-resistant coating.
  • PES since PES is non-crystalline, physical property deterioration due to temperature rise is small.
  • the temperature dependence of the flexural modulus is very small and hardly changes at -100 to 200 ° C.
  • the heat deflection temperature of the PES is 200 ⁇ 200 °C.
  • PC has excellent heat resistance, good mechanical and electrical properties, and is transparent and self-extinguishing.
  • the visible light transmittance of PC shows 89% or more at a thickness of 2mm, which is almost the same transparency as that of acrylic resin.
  • the thermal deformation temperature of the PC is 120 ⁇ 160 °C, the thermal deformation begins at a temperature slightly lower than the PES.
  • PI is a highly heat-resistant engineering plastic synthesized from aromatic diamines and aromatic tetracarboxylic dianhydrides, and has excellent stiffness and dimensional stability. In particular, the heat resistance is very excellent, the continuous use temperature reaches 288 °C.
  • the heat deflection temperature of PI is 280 ° C. to 350 ° C. and has the highest heat deflection temperature among the intermediate materials used in the present invention.
  • the lamination temperature or time may vary depending on the type of intermediate material used. In other words, the lamination temperature is adjusted to a temperature at which the intermediate material is not melted and only the EVA sheet as the filler is melted. In addition, since the melting temperature of the filler is determined not only by controlling the lamination temperature but also by the material of the intermediate material used, the content of vinyl acetate in the EVA sheet is controlled to effectively fill the spaces between the laminates, thereby maximizing the strength of the solar module. . By selecting intermediates and controlling the acetate content, solar modules with high strength can be fabricated even at low temperatures, resulting in reduced energy consumed throughout the entire process.
  • the material of the intermediate material is PES, lamination at 200 °C or less, if the material of the intermediate material is PC lamination at 120 °C or less, the material of the intermediate material is PI In the case of lamination at 280 °C or less, the intermediate material is protected, only the filler is melted so that the solar module as a whole can be strongly pressed.
  • the rear substrate disposed on the third filler is for protecting the solar cell and preventing the penetration of moisture, dust, and the like, and has functions of weather resistance, UV protection, moisture blocking, and electrical blocking.
  • a poly-vinyl fluoride (PVF) film, a poly-ethylene terephthalate (PET) film, and a PVF film may be stacked in this order to form a TPT.
  • PVF having a TPT structure may be replaced with poly-vinylidene floride (PVDF).
  • PVF can be used generally known DuPont Tedlar (trade name) sheet.
  • FIG 3 is a side structural view of a lightweight solar cell module according to the present invention.
  • the lightweight solar cell module includes a front substrate 10 of glass material, a first filler 20 of ethylene vinyl acetate material, an intermediate material 30 of polymer material, and a second filler material. 40, a plurality of solar cells 50 connected to each other, a third filler 60, and a back substrate 70 may be stacked, and the frame 80 may be formed.
  • the fillers 20, 40, and 60 become gels between the front substrate 10, the solar cell 50, and the rear substrate 70 in the lamination process, and after filling the composition, cool and harden to seal.
  • FIG. 4 is a view showing a side structure of a lightweight solar cell module according to another embodiment of the present invention.
  • Lightweight solar cell module according to the present invention can be used for a general diffusion type, power generation can be utilized in various applications such as clean energy production, environmental protection, electric vehicles, electrical and electronic fields.
  • the present invention can be used in a lightweight solar module that can be installed on the roof or roof of a building, or can be applied for BIPV and the like and a method of manufacturing the same.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)

Abstract

La présente invention porte sur un module solaire à poids léger et un procédé de fabrication pour celui-ci, et plus particulièrement, sur un module solaire ayant un poids léger et une résistance améliorée par raccord d'un substrat avant et d'un matériau intermédiaire, et un procédé de fabrication pour celui-ci comprenant les étapes consistant à : disposer, sur le substrat avant, un premier matériau de remplissage formé d'éthylène-acétate de vinyle (EVA) ou d'oléfine ; disposer, sur le premier matériau de remplissage, un matériau intermédiaire formé d'un matériau de polymère ; disposer, sur le matériau intermédiaire, un second matériau de remplissage formé d'EVA ou d'oléfine ; disposer une cellule solaire sur le second matériau de remplissage et connecter ensuite les électrodes de la cellule solaire l'une à l'autre ou disposer, sur le second matériau de remplissage, une pluralité de cellules solaires dont les électrodes sont connectées les unes aux autres ; disposer, sur la cellule solaire, un troisième matériau de remplissage formé d'EVA ou d'oléfine ; et disposer un substrat arrière sur le troisième matériau de remplissage.
PCT/KR2014/002629 2013-03-29 2014-03-27 Module solaire à poids léger et procédé de fabrication pour celui-ci WO2014157968A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130034186A KR101477499B1 (ko) 2013-03-29 2013-03-29 경량 태양광 모듈 및 그 제조방법
KR10-2013-0034186 2013-03-29

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WO2014157968A1 true WO2014157968A1 (fr) 2014-10-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104465883A (zh) * 2014-12-23 2015-03-25 常熟高嘉能源科技有限公司 一种多晶硅太阳能组件的生产方法
CN106656037A (zh) * 2016-09-19 2017-05-10 英利能源（中国）有限公司 光伏组件焊接质量测量装置及使用该装置进行质量检测的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07302926A (ja) * 1994-04-30 1995-11-14 Canon Inc 太陽電池モジュール
JP2007150069A (ja) * 2005-11-29 2007-06-14 Dainippon Printing Co Ltd 太陽電池モジュール用充填材、およびそれを用いた太陽電池モジュール、ならびに太陽電池モジュール用充填材の製造方法
KR101063787B1 (ko) * 2011-05-25 2011-09-08 (주)솔라원 절연 특성이 개선된 태양광 발전용 모듈
JP2012216828A (ja) * 2011-03-28 2012-11-08 Mitsubishi Chemicals Corp 太陽電池モジュールの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07302926A (ja) * 1994-04-30 1995-11-14 Canon Inc 太陽電池モジュール
JP2007150069A (ja) * 2005-11-29 2007-06-14 Dainippon Printing Co Ltd 太陽電池モジュール用充填材、およびそれを用いた太陽電池モジュール、ならびに太陽電池モジュール用充填材の製造方法
JP2012216828A (ja) * 2011-03-28 2012-11-08 Mitsubishi Chemicals Corp 太陽電池モジュールの製造方法
KR101063787B1 (ko) * 2011-05-25 2011-09-08 (주)솔라원 절연 특성이 개선된 태양광 발전용 모듈

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104465883A (zh) * 2014-12-23 2015-03-25 常熟高嘉能源科技有限公司 一种多晶硅太阳能组件的生产方法
CN106656037A (zh) * 2016-09-19 2017-05-10 英利能源（中国）有限公司 光伏组件焊接质量测量装置及使用该装置进行质量检测的方法
CN106656037B (zh) * 2016-09-19 2018-06-15 英利能源（中国）有限公司 光伏组件焊接质量测量装置及使用该装置进行质量检测的方法

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KR101477499B1 (ko) 2014-12-31

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