CN112622381A - Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process - Google Patents

Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process Download PDF

Info

Publication number
CN112622381A
CN112622381A CN202011500913.1A CN202011500913A CN112622381A CN 112622381 A CN112622381 A CN 112622381A CN 202011500913 A CN202011500913 A CN 202011500913A CN 112622381 A CN112622381 A CN 112622381A
Authority
CN
China
Prior art keywords
fluorine
film
layer
resistant
battery piece
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.)
Pending
Application number
CN202011500913.1A
Other languages
Chinese (zh)
Inventor
邓继辉
崔红
徐鑫
郑天祥
吴海忠
刘永恒
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.)
Zhejiang Green New Materials Co ltd
Original Assignee
Zhejiang Green New Materials 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 Zhejiang Green New Materials Co ltd filed Critical Zhejiang Green New Materials Co ltd
Priority to CN202011500913.1A priority Critical patent/CN112622381A/en
Publication of CN112622381A publication Critical patent/CN112622381A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated 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
    • H01L31/04—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/10—Batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/12—Photovoltaic modules
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/322—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of solar panels
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)

Abstract

The utility model provides a be used for crystal silicon battery piece welding fluorine-containing polymer composite film, the complex film includes fluorine-containing resistant time rete, glue film and bonding rete, and fluorine-containing resistant time rete passes through glue film bonding rete, and fluorine-containing resistant time rete thickness 5um ~ 100um, glue film thickness are 5um ~ 30um, and the bonding rete is thickness 30um ~ 100 um. Compared with the prior art, the weather-resistant adhesive film has better weather resistance, salt spray resistance, wear resistance, aging resistance and acid and alkali resistance, and the adhesive layer ensures that the weather-resistant film layer and the adhesive film layer are fully and durably attached without cracking or delamination; the problem that the laminating nature of resistant rete and crystal silicon battery piece is poor has been successfully solved to the bonding rete, makes the fine laminating of resistant rete and crystal silicon battery piece of waiting, and guarantees not drop for a long time, and the layering does not, more effectual battery piece of having protected by external environment's influence. The invention successfully solves the problem that the fluorine-containing film is not adhered to other substrates of the crystalline silicon battery piece, and simultaneously ensures the lasting adhesiveness, and the invention has simple structure and is easy for mass production.

Description

Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process
Technical Field
The invention relates to the technical field of photovoltaic materials, in particular to a fluorine-containing polymer composite film for welding a crystalline silicon cell and a preparation process thereof.
Background
With the increasing emphasis on clean energy by people, photovoltaic power generation has been extended to the field of vision of every people. The traditional photovoltaic power generation panel uses an EVA photovoltaic film as a main packaging material, but is limited by the physical properties of the substrate of the EVA, and has a certain short panel, for example, the EVA material can degrade acetic acid, and the acetic acid can corrode a cell, so that the aging of the cell is accelerated. In addition, the EVA photovoltaic film has a certain potential induced power attenuation (PID) phenomenon.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fluorine-containing polymer composite film for welding a crystalline silicon battery piece, which comprises the following steps:
the technical scheme of the invention is realized as follows:
the utility model provides a be used for crystal silicon battery piece to weld fluorine-containing polymer composite film, the complex film includes fluorine-containing resistant time rete, glue film and bonding rete, fluorine-containing resistant time rete passes through glue film bonding rete, fluorine-containing resistant time rete thickness 5um ~ 100um, glue film thickness is 5um ~ 30um, bonding rete is 30um ~ 100um for thickness.
Preferably, the glue layer adopts two-component polyurethane glue.
Preferably, the bonding film layer is a modified hot melt adhesive layer, and the modified hot melt adhesive layer is formed by bonding a PVDF composite film with a base material.
Preferably, the fluorine-containing weather-resistant film layer comprises one of PVDF film, PTFE film, ETFE film and FEP film without limitation.
Preferably, the adhesive layer includes, but is not limited to, one of a polyethylene adhesive film, a POE adhesive film, and an EVA adhesive film.
The invention also provides a preparation process for welding the fluorine-containing polymer composite membrane on the crystalline silicon battery piece, which comprises the following steps:
(1) unreeling: the fluorine-containing weather-resistant film layer and the bonding glue layer are discharged through an unwinding device and enter a production line for production;
(2) gluing: coating glue on the surface of the fluorine-containing weather-resistant film layer by adopting an extrusion type or roller type coating method;
(3) drying: drying the solvent in the glue by using a plurality of sections of drying ovens with different temperatures to form a glue layer;
(4) compounding: the fluorine-containing weather-resistant film layer coated with the adhesive layer and the adhesive layer are attached to each other in a hot pressing mode of a rubber roller and a steel roller, so that the attachment of the fluorine-containing weather-resistant film layer and the adhesive layer is completed, and the composite temperature is 30-100 ℃;
(5) winding: and after the laminating is finished, winding the finished product through a winding device.
Preferably, the compounding temperature of the fluorine-containing weather-resistant film layer and the adhesive layer is 70 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the fluorine-containing polymer composite film for welding the crystalline silicon battery piece and the preparation process have good weather resistance, salt spray resistance, wear resistance, aging resistance and acid and alkali resistance, and the glue layer ensures that the weather-resistant film layer and the bonding film layer are fully and durably attached without cracking or delamination; the problem that the laminating nature of resistant rete and crystal silicon battery piece is poor has been successfully solved to the bonding rete, makes the fine laminating of resistant rete and crystal silicon battery piece of waiting, and guarantees not drop for a long time, and the layering does not, more effectual battery piece of having protected by external environment's influence. The composite film adopts a simple three-layer structure, successfully solves the problem of non-adhesiveness between the fluorine-containing film and other substrates of the crystalline silicon battery piece, and simultaneously ensures the lasting adhesiveness.
Drawings
FIG. 1 is a schematic structural diagram of a fluorine-containing polymer composite film for welding a crystalline silicon cell according to the present invention;
FIG. 2 is a flow chart of the preparation process of the fluorine-containing polymer composite film for welding the crystalline silicon cell piece.
In the figure, a fluorine-containing weather-resistant film layer 100, an adhesive layer 200 and a bonding film layer 300 are shown.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
As shown in figure 1, a be used for crystal silicon battery piece to weld fluorine-containing polymer composite film, the composite film includes fluorine-containing resistant time rete 100, glue film 200 and bonding rete 300, fluorine-containing resistant time rete 100 passes through glue film 200 bonding rete 300, fluorine-containing resistant time rete 100 thickness 5um ~ 100um, glue film 200 thickness is 5um ~ 30um, bonding rete 300 is 30um ~ 100um for thickness. The fluorine-containing weather-resistant film layer 100 comprises a fluorine-containing material, and has good weather resistance, corrosion resistance and low water permeability. The crystalline silicon battery piece is protected from being influenced by the external environment and is used for a long time. The glue layer 200 adopts bi-component polyurethane glue, the fluorine-containing weather-resistant film layer 100 and the bonding film layer 300 are bonded together better, and the layers are not layered for a long time. The bonding film layer 300 is a modified hot melt adhesive layer, and the modified hot melt adhesive layer is formed by bonding a PVDF composite film with a base material.
The fluorine-containing weather-resistant film layer 100 includes, but is not limited to, one of PVDF (polyvinylidene fluoride) film, PTFE film (polytetrafluoroethylene) film, ETFE (ethylene-tetrafluoroethylene copolymer) film, FEP (perfluoroethylene propylene copolymer) film. The adhesive layer 300 includes but is not limited to a polyethylene adhesive film, a POE adhesive film, or an EVA adhesive film.
The first embodiment is as follows:
the composite membrane comprises a three-layer composite structure: the fluorine weather-resistant film layer is a PVDF (polyvinylidene fluoride) film; the glue layer is bi-component polyurethane glue; the adhesive film layer is a modified hot melt adhesive layer.
Example two:
the composite membrane comprises a three-layer composite structure: the fluorine weather-resistant film layer is a PTFE film (polytetrafluoroethylene) film; the glue layer is bi-component polyurethane glue; the adhesive film layer is a modified hot melt adhesive layer.
Example three:
the composite membrane comprises a three-layer composite structure: the fluorine weather-resistant film layer is an ETFE (ethylene-tetrafluoroethylene copolymer) film; the glue layer is bi-component polyurethane glue; the adhesive film layer is a modified hot melt adhesive layer.
As shown in fig. 2, the invention also provides a preparation process for welding the fluorine-containing polymer composite film on the crystalline silicon battery plate, which comprises the following steps:
(1) unreeling: the fluorine-containing weather-resistant film layer and the bonding glue layer are discharged through an unwinding device and enter a production line for production;
(2) gluing: coating glue on the surface of the fluorine-containing weather-resistant film layer by adopting an extrusion type or roller type coating method;
(3) drying: drying the solvent in the glue by using a plurality of sections of drying ovens with different temperatures to form a glue layer;
(4) compounding: the fluorine-containing weather-resistant film layer coated with the adhesive layer and the adhesive layer are attached to each other in a hot pressing mode of a rubber roller and a steel roller, so that the attachment of the fluorine-containing weather-resistant film layer and the adhesive layer is completed, and the composite temperature is 30-100 ℃;
(5) winding: and after the laminating is finished, winding the finished product through a winding device.
The composite temperature of the fluorine-containing weather-resistant film layer and the adhesive layer is 70 ℃.
According to the structure and the preparation process, the fluorine-containing polymer composite film for welding the crystalline silicon battery piece and the preparation process have good weather resistance, salt spray resistance, wear resistance, aging resistance and acid and alkali resistance, and the glue layer ensures that the weather-resistant film layer and the bonding film layer are fully and durably attached without cracking or delamination; the problem that the laminating nature of resistant rete and crystal silicon battery piece is poor has been successfully solved to the bonding rete, makes the fine laminating of resistant rete and crystal silicon battery piece of waiting, and guarantees not drop for a long time, and the layering does not, more effectual battery piece of having protected by external environment's influence. The composite film adopts a simple three-layer structure, successfully solves the problem of non-adhesiveness between the fluorine-containing film and other substrates of the crystalline silicon battery piece, and simultaneously ensures the lasting adhesiveness.

Claims (7)

1. The utility model provides a be used for crystal silicon battery piece to weld fluorine-containing polymer composite film, a serial communication port, the complex film includes fluorine-containing weather resistant film layer, glue film and bonding rete, fluorine-containing weather resistant film layer passes through glue film bonding rete, fluorine-containing weather resistant film layer thickness 5um ~ 100um, glue film layer thickness is 5um ~ 30um, bonding rete is 30um ~ 100um for thickness.
2. The fluorine-containing polymer composite film for welding the crystalline silicon battery piece as claimed in claim 1, wherein the glue layer is a two-component polyurethane glue.
3. The fluorine-containing polymer composite film for welding the crystalline silicon battery piece as claimed in claim 2, wherein the bonding film layer is a modified hot melt adhesive layer, and the modified hot melt adhesive layer is formed by bonding a PVDF composite film and a substrate.
4. The composite fluoropolymer membrane for welding crystalline silicon battery pieces as claimed in claim 3, wherein the weather-resistant fluorine-containing membrane layer comprises one of PVDF membrane, PTFE membrane, ETFE membrane and FEP membrane.
5. The fluorine-containing polymer composite film for welding the crystalline silicon battery piece as claimed in claim 4, wherein the adhesive layer comprises one of a polyethylene adhesive film, a POE adhesive film and an EVA adhesive film.
6. A preparation process for welding a fluorine-containing polymer composite film on a crystalline silicon battery piece is characterized by comprising the following steps of:
(1) unreeling: the fluorine-containing weather-resistant film layer and the bonding glue layer are discharged through an unwinding device and enter a production line for production;
(2) gluing: coating glue on the surface of the fluorine-containing weather-resistant film layer by adopting an extrusion type or roller type coating method;
(3) drying: drying the solvent in the glue by using a plurality of sections of drying ovens with different temperatures to form a glue layer;
(4) compounding: the fluorine-containing weather-resistant film layer coated with the adhesive layer and the adhesive layer are attached to each other in a hot pressing mode of a rubber roller and a steel roller, so that the attachment of the fluorine-containing weather-resistant film layer and the adhesive layer is completed, and the composite temperature is 30-100 ℃;
(5) winding: and after the laminating is finished, winding the finished product through a winding device.
7. The preparation process of the fluorine-containing polymer composite film for welding the crystalline silicon battery piece as claimed in claim 6, wherein the compounding temperature of the fluorine-containing weather-resistant film layer and the adhesive layer is 70 ℃.
CN202011500913.1A 2020-12-18 2020-12-18 Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process Pending CN112622381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011500913.1A CN112622381A (en) 2020-12-18 2020-12-18 Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011500913.1A CN112622381A (en) 2020-12-18 2020-12-18 Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process

Publications (1)

Publication Number Publication Date
CN112622381A true CN112622381A (en) 2021-04-09

Family

ID=75317135

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011500913.1A Pending CN112622381A (en) 2020-12-18 2020-12-18 Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process

Country Status (1)

Country Link
CN (1) CN112622381A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212102669U (en) * 2019-12-25 2020-12-08 浙江歌瑞新材料有限公司 PVDF composite membrane
CN212277205U (en) * 2020-06-04 2021-01-01 武汉美格科技股份有限公司 Front layer packaging structure of crystalline silicon solar panel for bicycle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212102669U (en) * 2019-12-25 2020-12-08 浙江歌瑞新材料有限公司 PVDF composite membrane
CN212277205U (en) * 2020-06-04 2021-01-01 武汉美格科技股份有限公司 Front layer packaging structure of crystalline silicon solar panel for bicycle

Similar Documents

Publication Publication Date Title
RU2438210C2 (en) Using polymer composite to produce photovoltaic modules
CN101868910B (en) Photovoltaic module using PVDF based flexible glazing film
CN102376805B (en) Solar cell backplane and manufacturing method thereof
CN103502001B (en) Multilayer film and the photovoltaic module comprising this multilayer film
CN101823355A (en) Polymer laminated film and solar panel using laminated film
EA012305B1 (en) Method for producing weather-resistant laminates for encapsulating solar cell systems
CN105102228A (en) Multilayer film, back sheet for solar cell module, and solar cell module
CN102870228A (en) Back sheet for solar cell module and manufacturing method thereof
CN202282356U (en) High-barrier solar battery back film
WO2022116893A1 (en) Backsheet for photovoltaic assembly and manufacturing method therefor, and photovoltaic assembly
TW201238067A (en) Photovoltaic (PV) PSA composite and use for producing PV modules by embedding into a liquid
WO2014153997A1 (en) Solar cell back panel and solar cell assembly
CN102738280A (en) Solar cell back membrane
CN102529259B (en) High-cohesiveness back film of solar cell and processing technology thereof
CN206179880U (en) Multilayer composite films is used in flexible solar cell encapsulation
CN107968131B (en) Solar cell back sheet, preparation method thereof and solar cell module comprising same
CN112622381A (en) Fluorine-containing polymer composite film for welding crystalline silicon battery piece and preparation process
CN102922842A (en) Solar cell back panel film and preparation method thereof
CN203631572U (en) Solar battery back membrane
CN102555377B (en) EVA (Ethylene vinyl acetate) adhesive integrated solar cell back film and processing technology
CN106129258A (en) Flexible solar battery encapsulation multi-layer compound film and application thereof
CN103013369A (en) High-cohesiveness polyester film, method for preparing same as well as solar cell back panel
CN219927180U (en) Solar backboard and solar cell
CN103430320A (en) Photovoltaic back sheet laminates, photovoltaic modules comprising photovoltaic back sheet laminates, and methods for making photovoltaic back sheet laminates
CN102569464A (en) Nano plasma modified fluorine-containing highly weather-resistant solar cell back film and production process thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210409