WO2011108805A2 - Procédé de fabrication d'une feuille de protection arrière pour module de cellule solaire - Google Patents

Procédé de fabrication d'une feuille de protection arrière pour module de cellule solaire Download PDF

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Publication number
WO2011108805A2
WO2011108805A2 PCT/KR2010/008754 KR2010008754W WO2011108805A2 WO 2011108805 A2 WO2011108805 A2 WO 2011108805A2 KR 2010008754 W KR2010008754 W KR 2010008754W WO 2011108805 A2 WO2011108805 A2 WO 2011108805A2
Authority
WO
WIPO (PCT)
Prior art keywords
fluorine
solar cell
cell module
resin layer
adhesive resin
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2010/008754
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English (en)
Korean (ko)
Other versions
WO2011108805A3 (fr
Inventor
박원기
이환광
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INDUSTRY-ACADEMIC COOPERATION FOUNDATION CHUNGWOON UNIVERSITY
SFC Co Ltd
Original Assignee
INDUSTRY-ACADEMIC COOPERATION FOUNDATION CHUNGWOON UNIVERSITY
SFC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by INDUSTRY-ACADEMIC COOPERATION FOUNDATION CHUNGWOON UNIVERSITY, SFC Co Ltd filed Critical INDUSTRY-ACADEMIC COOPERATION FOUNDATION CHUNGWOON UNIVERSITY
Publication of WO2011108805A2 publication Critical patent/WO2011108805A2/fr
Publication of WO2011108805A3 publication Critical patent/WO2011108805A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/85—Protective back sheets
    • 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 method for manufacturing a back protective sheet for a solar cell module, and more particularly, to manufacture a back protective sheet for a solar cell module by laminating a base film and a fluorine based film on a fluorine-based film wound up using an adhesive resin layer. It is about how to.
  • a solar cell module is a semiconductor device that converts light energy into electrical energy using a photoelectric effect, and has been in the spotlight with the advantages of pollution-free, noise-free, and infinite supply energy.
  • Such a solar cell module is usually manufactured by sequentially stacking tempered glass, EVA film, solar cell, EVA film, the back protective sheet, the laminated module is subjected to a high temperature compression laminating process in a vacuum.
  • a protective sheet for protecting the solar cell module as a back sheet is provided on the rear surface of the solar cell module to withstand the external environment such as snow and rain.
  • the protective sheet is made of a durable material that can withstand high temperatures and humidity in order to provide a waterproof, insulating and UV protection role and at the same time extend the life of the solar cell module.
  • the solar cell module back protective sheet has a structure in which PVF / PET / PVF is laminated, and in some products, a structure in which resins such as fluorine-based films such as PVF / PET / EVA and PE are laminated in a film form. It is also manufactured.
  • Such a solar cell module back protective sheet is usually laminated by first laminating a PVF film on a PET film, and then cured first, and another PVF film or a resin film such as EVA or PE is laminated on the PET film on which the PVF film is laminated. It is manufactured by dry lamination method of secondary lamination by lamination by secondary lamination.
  • the present invention forms an adhesive resin layer on one side of the fluorine-based film through melt extrusion, and then laminates the base film, and then forms an adhesive resin layer on the one side of the laminated base film by melt-extrusion, and then laminates the fluorine-based film.
  • the method of manufacturing the back surface protective film for solar cell modules by a continuous process is provided.
  • the present invention comprises the steps of winding up a fluorine-based film wound on a roller;
  • It provides a method for manufacturing a back protective sheet for a solar cell module comprising the step of laminating a fluorine-based film on one side of the secondary adhesive resin layer is formed.
  • the present invention forms an adhesive resin layer on one side of the fluorine-based film through melt extrusion, and then laminates the base film, and then forms an adhesive resin layer on the one side of the laminated base film by melt-extrusion, and then laminates the fluorine-based film.
  • FIG. 1 is a flow chart showing a method of manufacturing a back protective sheet for a solar cell module according to the present invention
  • FIG. 2 is a cross-sectional view showing the configuration of a back protective sheet for a solar cell module according to the present invention.
  • the present invention Unwinding the fluorine-based film wound on the roller;
  • the solar cell module including the step of laminating the fluorine-based film on a surface formed with the second adhesive resin layer can provide a method of manufacturing a protection sheet.
  • the rear protective sheet for a solar cell module according to the present invention is a sheet for protecting the solar cell module, and may be referred to as a back sheet because it is attached and applied to the rear surface of the solar cell module.
  • the solar cell module back protective sheet is formed by melting and extruding a polymer resin on a fluorine-based film to form an adhesive resin layer, and then laminating, preferably laminating, and laminating the base film on the back surface of the base film on which the fluorine-based film is laminated.
  • the polymer resin is melt-extruded to form an adhesive resin layer and then laminated with a fluorine-based film.
  • the base film may use PET, low oligomer PET, PI, PEN or a mixture thereof, and the fluorine-based film may use PVF, PVDF, THV resin, TFE, PCTFE, ETFE or a mixture thereof. It is good.
  • the polymer resin for forming the adhesive resin layer preferably the primary and secondary adhesive resin layer is a hot melting resin, for example, hot melting resin consisting of PVB, PE, EVA or a mixture thereof It is good to use.
  • the base film is laminated with the fluorine-based film by the adhesive resin layer without a separate drying process.
  • melt extrusion it is preferable to melt and extrude the extruded polymer resin at a temperature of 280 to 330 ° C., and to extrude the polymer resin, it is preferable to use a T-die.
  • FIG. 1 is a flow chart showing a method for manufacturing a solar cell module back protective sheet according to the present invention
  • Figure 2 is described as a cross-sectional view showing the configuration of the solar cell module back protective sheet according to the present invention.
  • the method for manufacturing a solar cell module back protective sheet comprises the steps of unwinding the fluorine-based film wound on the roller (S10); Forming a primary adhesive resin layer by melt-extruding a polymer resin on one side of the unwinded fluorine-based film (S20); Stacking a base film on one side of the first adhesive resin layer (S30); Forming a secondary adhesive resin layer by melt-extruding a polymer resin on the base film laminated on the fluorine-based film (S40); And laminating a fluorine-based film on one side on which the secondary adhesive resin layer is formed (S50).
  • the step of unwinding the fluorine-based film wound on the roller according to the present invention (S10) is to unwind the fluorine-based film from the roller in which the fluorine-based film constituting the back protective sheet for the solar cell module is wound in advance.
  • the fluorine-based film is a film made of a polymer resin containing a fluorine component, providing durability and insulation to the back protective sheet for solar cell modules.
  • Representative materials that can be used as the fluorine-based film is selected from among polyvinyl fluoride (PVF), polyvinylidene fluoride (PVDF), THV resin, tetrafluoroethylene (TFE), polychlorotrifluorofluoro (PCTFE), ethylene tetrafluoroethylene (ETFE), or a mixture thereof. desirable.
  • PVF polyvinyl fluoride
  • PVDF polyvinylidene fluoride
  • THV resin tetrafluoroethylene
  • PCTFE polychlorotrifluorofluoro
  • ETFE ethylene tetrafluoroethylene
  • the step (S20) of forming a primary adhesive resin layer by melt-extruding a polymer resin on one side of the undisclosed fluorine-based film according to the present invention is to form an adhesive layer for laminating and laminating the base film on the undisclosed fluorine-based film.
  • the adhesive resin layer specifically the primary adhesive resin layer is for firmly attaching the fluorine-based film and the base film, and is not particularly limited as long as the layer is made of a polymer resin having adhesive strength.
  • the polymer resin may be a hot melting resin.
  • hot melting resin polyurethane-based hot melting, acrylic-based hot melting, PVB-based hot melting resin, etc.
  • hot melting resin consisting of PVB, PE, EVA or a mixture thereof It is good to use
  • the base film is laminated to the fluorine-based film by the primary adhesive resin layer without a separate drying process.
  • the hot melt resin forming the primary adhesive resin layer is preferably extruded through a T-die.
  • the melt extrusion may be performed by extruding the polymer resin by melting the polymer resin at a temperature of 280 to 330 ° C.
  • the thickness of the first adhesive resin layer formed on one side of the fluorine-based film is not particularly limited, but may be 10 to 25 ⁇ m.
  • the step (S30) of laminating the base film on one side on which the first adhesive resin layer according to the present invention is formed is to laminate the base film on the fluorine-based film constituting the back protective sheet for the solar cell module.
  • the base film is to provide insulation and strength to the back protective sheet for the solar cell module, if the film for this purpose is not particularly limited, preferably PET (Polyethylene terephthalate), low oligomer (low oligomer) PET , PI (Polyimide), PEN (Polyethylene naphthalene) or a mixture thereof is preferably selected.
  • PET Polyethylene terephthalate
  • low oligomer low oligomer
  • PET Polyimide
  • PEN Polyethylene naphthalene
  • the base film and the fluorine-based film are preferably laminated using a pressure roller.
  • the hot melt resin is melt-extruded without a separate drying process and provided to the base film to laminate the fluorine-based film and the base film. To be laminated.
  • the base film is previously wound on a separate roller, and then the primary adhesive resin layer is formed on the fluorine-based film by melt extrusion and unwinded to the primary adhesive resin layer formed on the fluorine-based film.
  • the step (S40) of forming a secondary adhesive resin layer by melt-extruding a polymer resin on a base film laminated on the fluorine-based film according to the present invention is one side of the base film laminated on the fluorine-based film, preferably the back of the base film It is for forming the adhesive layer for laminating
  • the adhesive resin layer specifically, the secondary adhesive resin layer is for firmly attaching the base film and the fluorine-based film, and is not particularly limited as long as the layer is made of a polymer resin having adhesive strength.
  • the polymer resin may be a hot melting resin.
  • hot melting resin polyurethane-based hot melting, acrylic-based hot melting, PVB-based hot melting resin, etc.
  • hot melting resin consisting of PVB, PE, EVA or a mixture thereof It is good to use
  • the fluorine-based film is laminated to the base film by the secondary adhesive resin layer without a separate drying process.
  • the hot melt resin forming the secondary adhesive resin layer is preferably extruded through a T-die.
  • the melt extrusion may be performed by extruding the polymer resin by melting the polymer resin at a temperature of 280 to 330 ° C.
  • the thickness of the secondary adhesive resin layer formed on one side of the base film is not particularly limited, but may be 10 to 25 ⁇ m.
  • Laminating a fluorine-based film on one side of the secondary adhesive resin layer is formed according to the present invention (S50) is a fluorine-based film constituting the solar cell module back protective sheet to manufacture a back protective sheet for the solar cell module
  • Another fluorine-based film is laminated on one side of the laminated base film and laminated.
  • the fluorine-based film and the base film is preferably laminated using a pressure roller.
  • the hot melt resin is melt-extruded without a separate drying process and provided to the base film to laminate the base film and the fluorine film. To be laminated.
  • the fluorine-based film is previously wound on a separate roller, and then unwound with a secondary adhesive resin layer formed on the base film at the same time a secondary adhesive resin layer is formed on the base film by melt extrusion.
  • the fluorine-based film is a film made of a polymer resin containing a fluorine component, and provides durability and insulation to a back protective sheet for a solar cell module.
  • Representative materials that can be used as the fluorine-based film is selected from among polyvinyl fluoride (PVF), polyvinylidene fluoride (PVDF), THV resin, tetrafluoroethylene (TFE), polychlorotrifluorofluoro (PCTFE), ethylene tetrafluoroethylene (ETFE), or a mixture thereof. desirable.
  • PVF polyvinyl fluoride
  • PVDF polyvinylidene fluoride
  • THV resin tetrafluoroethylene
  • PCTFE polychlorotrifluorofluoro
  • ETFE ethylene tetrafluoroethylene

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  • Photovoltaic Devices (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'une feuille de protection arrière d'un module de cellule solaire, comprenant les étapes suivantes consistant à : dérouler un film à base de fluor ayant été enroulé sur un rouleau ; former une première couche de résine adhésive sur un côté dudit film de fluor déroulé par extrusion par fusion d'une résine polymère ; empiler un film de base sur ledit côté sur lequel ladite première couche de résine adhésive a été formée ; former une seconde couche de résine adhésive sur ledit film de base ayant été empilé sur ledit film à base de fluor, par extrusion par fusion d'une résine de polymère ; et empiler un autre film à base de fluor sur ledit côté sur lequel ladite seconde résine adhésive a été formée.
PCT/KR2010/008754 2010-03-02 2010-12-08 Procédé de fabrication d'une feuille de protection arrière pour module de cellule solaire Ceased WO2011108805A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100018338A KR101076787B1 (ko) 2010-03-02 2010-03-02 태양전지모듈용 이면 보호시트의 제조방법
KR10-2010-0018338 2010-03-02

Publications (2)

Publication Number Publication Date
WO2011108805A2 true WO2011108805A2 (fr) 2011-09-09
WO2011108805A3 WO2011108805A3 (fr) 2011-10-27

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KR (1) KR101076787B1 (fr)
WO (1) WO2011108805A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101835549B1 (ko) 2011-09-29 2018-03-08 엘지디스플레이 주식회사 디스플레이 장치
KR101276047B1 (ko) * 2011-10-07 2013-06-20 주식회사 에스에프씨 색상을 갖는 태양전지모듈용 이면 보호시트의 제조방법
KR101275912B1 (ko) * 2011-10-07 2013-06-17 주식회사 에스에프씨 색상을 갖는 태양전지모듈용 이면 보호시트의 제조방법
CN108093616B (zh) * 2016-11-18 2019-09-10 纳智源科技（唐山）有限责任公司 一种生理监测传感带的封装方法

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KR100612411B1 (ko) 2006-03-23 2006-08-16 류재학 태양전지모듈용 백시트 제조 공정
JP2008004691A (ja) * 2006-06-21 2008-01-10 Toppan Printing Co Ltd 太陽電池裏面封止用シート
JP2009267294A (ja) * 2008-04-30 2009-11-12 Toppan Printing Co Ltd 太陽電池用バックシート

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KR101076787B1 (ko) 2011-10-25
KR20110099363A (ko) 2011-09-08
WO2011108805A3 (fr) 2011-10-27

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