CN110808304A - Photovoltaic module with pattern and preparation method thereof - Google Patents
Photovoltaic module with pattern and preparation method thereof Download PDFInfo
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- CN110808304A CN110808304A CN201810801939.6A CN201810801939A CN110808304A CN 110808304 A CN110808304 A CN 110808304A CN 201810801939 A CN201810801939 A CN 201810801939A CN 110808304 A CN110808304 A CN 110808304A
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 65
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 238000010248 power generation Methods 0.000 claims abstract description 60
- 239000011241 protective layer Substances 0.000 claims abstract description 51
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- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
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- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 2
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Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention belongs to the field of building integration, and particularly relates to a photovoltaic module with patterns and a preparation method thereof. The invention provides a photovoltaic module with a pattern, which sequentially comprises a protective layer, a packaging layer, a power generation layer and a substrate from top to bottom, and further comprises a sticker layer, wherein the sticker layer is arranged below the substrate; or the paper pasting layer is arranged on the upper part or in the middle of the packaging layer; or the adhesive paper layer is arranged on the outer surface of the protective layer. The invention can make the traditional blue or black photovoltaic module become beautiful, and fuse the photovoltaic module with the building to realize the integration of the photovoltaic building.
Description
Technical Field
The invention belongs to the field of building integration, and particularly relates to a photovoltaic module with patterns and a preparation method thereof.
Background
The photovoltaic building integrated structure formed by combining the photovoltaic component and the building can meet the large market demand beyond solar power stations and solar application products. The photovoltaic building integration brings the solar power generation function into the general design of the building, and integrates the building, the science and technology and the aesthetics into a whole. It is worth noting that the traditional photovoltaic module is monotonous in color and cannot effectively transfer artistic aesthetic feeling to be expressed by architects; such buildings are also difficult to blend in with the surrounding environment. The monotonous color becomes an important restriction factor for popularization and application of the photovoltaic building integrated product. In order to promote the integrated photovoltaic building products on a larger scale, the colors and patterns presented by the integrated photovoltaic building products need to be diversified, so that the building language is richer, and the building can be integrated into the environment where the integrated photovoltaic building products are located.
Disclosure of Invention
The invention aims to provide a photovoltaic module with a pattern and a preparation method thereof. The invention can lead the photovoltaic component to present abundant colors and patterns, and the energy-saving and beautiful building can be obtained by applying the photovoltaic component to the outer wall, the curtain wall, the roof and the like of the building.
The specific technical scheme of the invention is as follows:
the invention provides a photovoltaic module with patterns, which sequentially comprises a protective layer, a packaging layer, a power generation layer and a substrate from top to bottom; when the power generation layer is a crystalline silicon battery, the assembly structure comprises a protective layer, an upper packaging layer, a power generation layer, a lower packaging layer and a protective layer. The photovoltaic module also comprises a sticker layer, wherein the sticker layer is arranged on the upper part or in the middle of the packaging layer, and the structure of the sticker layer sequentially comprises a self-adhesive layer, a sealing layer, a decorative layer and a base material layer from top to bottom;
or the laminated paper layer is arranged on the outer surface of the protective layer, and the structure of the laminated paper layer sequentially comprises a sealing layer, a decorative layer, a base material layer and a self-adhesive layer from top to bottom;
or, the sticker layer is arranged under the basement, and increases the one deck basement again under the sticker layer, the structure of sticker layer is from top to bottom including substrate layer, decorative layer, seal, self-adhesive layer in proper order.
Preferably, a paper-clad layer is provided under the substrate and at the same time on the outer surface of the protective layer; alternatively, a paper backing layer may be provided both below the substrate and on top of or in the middle of the encapsulation layer.
Preferably, when the battery is applied to a curtain wall, the substrate is transparent when the decal layer is placed under the substrate.
Preferably, the self-adhesive layer of the sticker of the present invention is made of an anti-aging and waterproof adhesive; the material of the substrate layer is PVC (polyvinyl chloride), PET (polyethylene terephthalate), temperature-resistant paper, PP (polypropylene), PC (polycarbonate) or fluorescent paper; the sealing layer is made of transparent PET, transparent OPP (o-phenylphenol) or transparent PVC; the ink adopted by the decorative layer is a waterproof and anti-aging ink raw material; the pattern of the paper-pasted layer is positioned on the decorative layer, and the pattern is a pattern and/or a character.
Preferably, the thickness of the paster layer is 1 μm-1 mm, and the weighted average light transmittance is equal to or more than 50% in the range of 300 nm-1300 nm.
Preferably, the protective layer is tempered glass or ethylene-tetrafluoroethylene copolymer.
Preferably, the packaging layer material is EVA (ethylene vinyl acetate copolymer), PVB (polyvinyl butyral) or silica gel, and the packaging layer is transparent.
Preferably, the power generation layer comprises a copper indium gallium selenide cell, a copper zinc tin sulfur selenide cell, a cadmium telluride cell, an amorphous silicon cell or a perovskite cell.
Preferably, the substrate is ceramic, tile, polymer, glass or stainless steel; the thickness of the substrate is 0.01 mm-5 cm.
The invention provides a preparation method of a photovoltaic module with a pattern, wherein a sticker layer is arranged on the upper part or in the middle of a packaging layer, and the preparation method comprises the following steps:
1) attaching the power generation layer on a substrate, and leading out the anode and the cathode, or directly preparing the power generation layer on the substrate, and leading out the anode and the cathode;
2) preparing an encapsulation layer on the power generation layer;
3) preparing a paper pasting layer on the upper part or in the middle of the packaging layer in the step 2), and then covering a protective layer.
The invention provides a preparation method of a photovoltaic module with a pattern, wherein a sticker is prepared on the outer surface of a protective layer, and the preparation method comprises the following steps:
1) attaching the power generation layer on a substrate, and leading out the anode and the cathode, or directly preparing the power generation layer on the substrate, and leading out the anode and the cathode;
2) preparing an encapsulation layer on the power generation layer;
3) covering a protective layer on the packaging layer in the step 2), and preparing a paper pasting layer on the outer surface of the protective layer.
The invention provides a preparation method of a photovoltaic module with a pattern, wherein a sticker layer is arranged below a substrate, and the preparation method comprises the following steps:
1) placing the sticker layer on the substrate, and then placing the other substrate on the sticker layer;
2) attaching the power generation layer to the upper substrate, and leading out a positive electrode and a negative electrode;
3) preparing an encapsulation layer on the power generation layer;
4) and covering a protective layer on the packaging layer in the step 2).
The invention provides a photovoltaic component with patterns, which sequentially comprises a protective layer, an upper packaging layer, a power generation layer, a lower packaging layer and a back plate from top to bottom, and also comprises a paper pasting layer, wherein,
the sticker layer is arranged on the upper part or in the middle of the upper packaging layer, and the structure of the sticker layer sequentially comprises a self-adhesive layer, a sealing layer, a decorative layer and a base material layer from top to bottom;
or the laminated paper layer is arranged on the outer surface of the protective layer, and the structure of the laminated paper layer sequentially comprises a sealing layer, a decorative layer, a base material layer and a self-adhesive layer from top to bottom;
or, the paster layer is arranged between the back plate and the lower packaging layer, and the structure of the paster layer sequentially comprises a base material layer, a decorative layer, a sealing layer and a self-adhesive layer from top to bottom.
Preferably, a paper pasting layer is arranged between the back plate and the lower packaging layer and on the outer surface of the protective layer; or a paper pasting layer is arranged between the back plate and the lower packaging layer and on the upper part or in the middle of the upper packaging layer.
Preferably, the substrate is transparent when the paper-clad layer is interposed between the backsheet and the lower encapsulation layer.
Preferably, the self-adhesive used by the self-adhesive layer is an anti-aging and waterproof adhesive; the material of the substrate layer is PVC (polyvinyl chloride), PET (polyethylene terephthalate), temperature-resistant paper, PP (polypropylene), PC (polycarbonate) or fluorescent paper; the sealing layer is made of transparent PET, transparent OPP (o-phenylphenol) or transparent PVC; the ink adopted by the decorative layer is a waterproof and anti-aging ink raw material; the pattern of the paper-pasted layer is positioned on the decorative layer, and the pattern is a pattern and/or a character.
Preferably, the thickness of the paster layer is 1 μm-1 mm, and the weighted average light transmittance is equal to or more than 50% in the range of 300 nm-1300 nm.
Preferably, the protective layer is tempered glass or ethylene-tetrafluoroethylene copolymer.
Preferably, the upper and lower packaging layers are made of EVA (ethylene vinyl acetate copolymer), PVB (polyvinyl butyral) or silica gel, and are transparent.
Preferably, the power generation layer comprises a monocrystalline silicon cell or a polycrystalline silicon cell.
Preferably, the back sheet material is TPT (polyvinyl fluoride composite film), PET (polyethylene terephthalate), DNP (2, 4-dinitrophenol) or toughened glass; the thickness of the back plate is 1 mm-4 mm.
The invention provides a preparation method of a photovoltaic module with a pattern, wherein a sticker layer is arranged between a back plate and a lower packaging layer, and the preparation method comprises the following steps:
1) sorting, single welding and series welding the battery pieces to obtain a power generation layer;
2) pasting the paper pasting layer on the back plate, and then coating a lower packaging layer on the paper pasting layer;
3) and then laying a battery power generation layer, an upper packaging layer and a protective layer on the lower packaging layer in sequence, and laminating the laminated layer to obtain the photovoltaic module.
The invention provides a preparation method of a photovoltaic module with a pattern, wherein a sticker layer is arranged on the upper part or in the middle of an upper packaging layer, and the preparation method comprises the following steps:
1) sorting, single welding and series welding the battery pieces to obtain a power generation layer;
2) coating a lower packaging layer and a power generation layer on the back plate;
3) and coating an encapsulation layer on the power generation layer, laying a paper lamination layer, preparing a protective layer on the paper lamination layer, and laminating the lamination layer to obtain the photovoltaic module.
The invention provides a preparation method of a photovoltaic module with a pattern, wherein a sticker is prepared on the outer surface of a protective layer, and the preparation method comprises the following steps:
1) sorting, single welding and series welding the battery pieces to obtain a power generation layer;
2) coating a lower packaging layer, a power generation layer, an upper packaging layer and a protective layer on the back plate;
3) and coating a paper layer on the protective layer, and laminating the laminated layer to obtain the photovoltaic module.
Compared with the prior art, the invention has the advantages that:
1) the surface of the photovoltaic module with the structure is colorful, and the structure can be applied to various buildings with required artistic effects like common ceramic tiles, can be applied to public buildings such as schools, art museums, museums and the like and roofs, curtain walls and outer walls of residential buildings, and can greatly improve the aesthetic feeling of the photovoltaic module.
2) Compared with the conventional preparation method for obtaining the colorful component by preparing the colorful power generation layer, the colorful protective layer and the like, the preparation method for introducing the paster is more convenient and simpler.
3) The paster adopted by the invention can be waterproof and anti-aging, and can still keep better color and luster after being used for years under illumination.
Drawings
FIG. 1 is a diagram illustrating the effect of the present invention;
FIG. 2 is a view of the construction of the sticker of the present invention on top of or in the middle of a packaging layer;
FIG. 3 is a view of the structure of the upper portion of the protective layer of the sticker of the present invention;
FIG. 4 is a structural view of a decal of the present invention between a substrate and a power generation layer;
FIG. 5 is a block diagram of a decal on the top of the encapsulation layer and between the substrate and the power generation layer in accordance with the present invention;
FIG. 6 is a view of the construction of the sticker of the present invention on top of or in the middle of a packaging layer;
FIG. 7 is a view of the construction of the upper portion of the protective layer of the sticker of the present invention;
FIG. 8 is a structural view of the sticker of the present invention between a backsheet and a lower packaging layer;
fig. 9 is a block diagram of a sticker of the present invention on top of or in the middle of a packaging layer and between a backsheet and a lower packaging layer.
Appendage mark
1 is a protective layer, 2 is a packaging layer, 21 is an upper packaging layer, 22 is a lower packaging layer, 3 is a power generation layer, 4 is a substrate, 5 is a pasting paper layer, and 6 is a back plate.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1
1) Preparing a CIGS thin film power generation layer on a substrate by taking polyimide as the substrate, and then preparing an EVA packaging layer on the power generation layer;
2) and preparing a paster on the EVA packaging layer. The anti-aging and waterproof paper pasting structure comprises a self-adhesive layer, a sealing layer, a decorative layer and a base material layer from top to bottom. The substrate layer of the paster is closely contacted with EVA, the thickness of the paster is 1 μm, and the average transmittance is 50%;
3) and a protective layer ETFE is arranged on the paster, and the ETFE is in close contact with the self-adhesive layer of the paster. As shown in fig. 2.
Example 2
1) Preparing a CIGS thin film power generation layer on a substrate by using toughened glass as the substrate, and then preparing a silica gel packaging layer on the power generation layer;
2) placing toughened glass on the EVA packaging layer;
3) and preparing a paper pasting layer on the toughened glass. The anti-aging waterproof paper pasting structure comprises a sealing layer, a decorative layer, a base material layer and a self-adhesive layer from top to bottom. The self-adhesive layer of the sticker is in close contact with the toughened glass, the thickness of the sticker is 1mm, and the average transmittance is 75%. As shown in fig. 3.
Example 3
1) And preparing the sticker on the substrate by using the toughened glass as the substrate. The structure of the paster is from top to bottom respectively a self-adhesive layer, a substrate layer, a decoration layer, a seal layer and a self-adhesive layer. The self-adhesive layer is tightly bonded to the substrate. The thickness of the sticker was 100 μm, and the average transmittance was 75%.
2) Depositing an amorphous silicon thin film power generation layer on a stainless steel substrate, attaching the substrate/power generation layer to the sticker obtained in the step 1), and preparing a PVB (polyvinyl butyral) packaging layer on the power generation layer;
3) and placing a toughened glass protective layer on the packaging layer. As shown in fig. 4.
Example 4
1) And (3) preparing a paster on the tile by taking the tile as a substrate. The structure of the paster is from top to bottom respectively a self-adhesive layer, a substrate layer, a decoration layer, a seal layer and a self-adhesive layer. The self-adhesive layer is tightly bonded to the substrate. The thickness of the sticker was 10 μm, and the average transmittance was 60%.
2) Depositing a cadmium telluride thin film power generation layer on a substrate by taking polyimide as the substrate, attaching the substrate/power generation layer to the paster obtained in the step 1), and preparing a silica gel packaging layer on the power generation layer;
3) and preparing a paster on the packaging layer. The structure of the paster is respectively a self-adhesive layer, a seal layer, a decorative layer and a base material layer from top to bottom. The self-adhesive layer is tightly combined with the silica gel packaging layer. The thickness of the sticker was 50 μm, and the average transmittance was 80%.
4) The front film ETFE was placed on the paper laminate. As shown in fig. 5.
Example 5
1) The single crystal silicon cell is finished by sorting, single welding and series welding;
2) laying the back plate, the battery piece, the EVA and the sticker according to a certain level, wherein the laying level is the sticker layer, the EVA, the monocrystalline silicon power generation layer, the EVA and the back plate from top to bottom. The structure of the paster is from top to bottom respectively a self-adhesive layer, a substrate layer, a decoration layer, a seal layer and a self-adhesive layer. The self-adhesive layer is tightly combined with the upper layer and the lower layer. The thickness of the sticker was 10 μm, and the average transmittance was 60%.
3) And a protective layer of toughened glass is placed on the adhesive paper layer. As shown in fig. 6.
Example 6
1) Sorting, single welding and series welding are carried out on the polycrystalline silicon battery pieces;
2) laying the back plate, the battery piece, the silica gel and the ETFE according to a certain layer, wherein the laying layer is the ETFE, the silica gel, the polysilicon power generation layer, the silica gel and the back plate from top to bottom.
3) A paper layer was laid on the ETFE. The structure of the paper-pasted layer is respectively a sealing layer, a decorative layer, a base material layer and a self-adhesive layer from top to bottom. The self-adhesive layer is tightly bonded to the ETFE. The thickness of the sticker was 50 μm, and the average transmittance was 55%. As shown in fig. 7.
Example 7
1) Sorting, single welding and series welding are carried out on the polycrystalline silicon battery pieces;
2) the back plate, the battery piece, the PVB and the sticker are laid according to a certain level, and the laid level is the PVB, the polycrystalline silicon power generation layer, the PVB, the sticker layer and the back plate from top to bottom. The structure of the paster is from top to bottom respectively a self-adhesive layer, a substrate layer, a decoration layer, a seal layer and a self-adhesive layer. The self-adhesive layer is tightly combined with the back plate. The thickness of the sticker was 30 μm, and the average transmittance was 90%.
3) And placing protective layer toughened glass on the upper PVB layer. As shown in fig. 8.
Example 8
1) The single crystal silicon cell is finished by sorting, single welding and series welding;
2) laying the back plate, the battery piece, the EVA and the sticker according to a certain level, wherein the laying level comprises an upper paper layer, the EVA, a monocrystalline silicon power generation layer, the EVA, a lower paper layer and the back plate from top to bottom. The structure of the upper sticker is respectively a self-adhesive layer, a seal layer, a decorative layer and a base material layer from top to bottom. The lower sticker is structurally composed of a base material layer, a decoration layer, a sealing layer and a self-adhesive layer. The self-adhesive layer is tightly combined with the upper layer and the lower layer. The thickness of the sticker is 80 μm, and the average transmittance is 85%. The lower sticker had a thickness of 400 μm and an average transmittance of 60%.
3) And placing protective layer toughened glass on the upper PVB layer. As shown in fig. 9.
The present invention may be embodied in many different forms and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (26)
1. A photovoltaic component with patterns is characterized by comprising a protective layer, a packaging layer, a power generation layer and a substrate from top to bottom in sequence, and further comprising a paper pasting layer, wherein,
the laminated paper layer is arranged on the upper part or the middle part of the packaging layer, and the structure of the laminated paper layer sequentially comprises a self-adhesive layer, a sealing layer, a decorative layer and a base material layer from top to bottom;
or the laminated paper layer is arranged on the outer surface of the protective layer, and the structure of the laminated paper layer sequentially comprises a sealing layer, a decorative layer, a base material layer and a self-adhesive layer from top to bottom;
or, the sticker layer is arranged under the basement, and increases the one deck basement again under the sticker layer, the structure of sticker layer is from top to bottom including substrate layer, decorative layer, seal, self-adhesive layer in proper order.
2. The photovoltaic module of claim 1, wherein a paper layer is disposed under the substrate and at the same time on the outer surface of the protective layer; alternatively, a paper backing layer may be provided both below the substrate and on top of or in the middle of the encapsulation layer.
3. The photovoltaic module of claim 1 or 2, wherein the substrate is transparent when the decal layer is placed under the substrate.
4. The photovoltaic module according to claim 1 or 2, wherein the self-adhesive layer is made of self-adhesive glue which is an anti-aging and waterproof adhesive; the material of the substrate layer is PVC, PET, temperature-resistant paper, PP, PC or fluorescent paper; the sealing layer is made of transparent PET, transparent OPP or transparent PVC; the ink adopted by the decorative layer is a waterproof and anti-aging ink raw material; the pattern of the paper-pasted layer is positioned on the decorative layer, and the pattern is a pattern and/or a character.
5. The photovoltaic module of claim 1 or 2, wherein the sticker layer has a thickness of 1 μm to 1mm and a weighted average light transmittance of 50% or more at 300nm to 1300 nm.
6. The photovoltaic module according to claim 1 or 2, wherein the protective layer is tempered glass or ethylene-tetrafluoroethylene copolymer.
7. The photovoltaic module of claim 1 or 2, wherein the encapsulant is EVA, PVB, or silicone, and the encapsulant is transparent.
8. The photovoltaic module of claim 1 or 2, wherein the power generation layer comprises a copper indium gallium selenide cell, a copper zinc tin sulfur selenide cell, a cadmium telluride cell, an amorphous silicon cell, or a perovskite cell.
9. The photovoltaic module of claim 1 or 2, wherein the substrate is ceramic, tile, polymer, glass, or stainless steel; the thickness of the substrate is 0.01 mm-5 cm.
10. A method for preparing a photovoltaic module according to claim 1, wherein the paper layer is disposed on or in the packaging layer, comprising the following steps:
1) attaching the power generation layer on a substrate, and leading out the anode and the cathode, or directly preparing the power generation layer on the substrate, and leading out the anode and the cathode;
2) preparing an encapsulation layer on the power generation layer;
3) preparing a paper pasting layer on the upper part or in the middle of the packaging layer in the step 2), and then covering a protective layer.
11. The preparation method of the photovoltaic module based on claim 1, wherein the sticker is prepared on the outer surface of the protective layer, and comprises the following steps:
1) attaching the power generation layer on a substrate, and leading out the anode and the cathode, or directly preparing the power generation layer on the substrate, and leading out the anode and the cathode;
2) preparing an encapsulation layer on the power generation layer;
3) covering a protective layer on the packaging layer in the step 2), and preparing a paper pasting layer on the outer surface of the protective layer.
12. A method of making the photovoltaic module of claim 1, wherein the decal layer is disposed under a substrate, comprising the steps of:
1) placing the sticker layer on the substrate, and then placing the other substrate on the sticker layer;
2) attaching the power generation layer to the upper substrate, and leading out a positive electrode and a negative electrode;
3) preparing an encapsulation layer on the power generation layer;
4) and covering a protective layer on the packaging layer in the step 2).
13. The production method according to any one of claims 10 to 12, wherein a paper-clad layer is provided under the substrate and at the same time on the outer surface of the protective layer; alternatively, a paper backing layer may be provided both below the substrate and on top of or in the middle of the encapsulation layer.
14. A photovoltaic component with patterns is characterized by comprising a protective layer, an upper packaging layer, a power generation layer, a lower packaging layer and a back plate from top to bottom in sequence, and further comprising a paper pasting layer,
the sticker layer is arranged on the upper part or in the middle of the upper packaging layer, and the structure of the sticker layer sequentially comprises a self-adhesive layer, a sealing layer, a decorative layer and a base material layer from top to bottom;
or the laminated paper layer is arranged on the outer surface of the protective layer, and the structure of the laminated paper layer sequentially comprises a sealing layer, a decorative layer, a base material layer and a self-adhesive layer from top to bottom;
or, the paster layer is arranged between the back plate and the lower packaging layer, and the structure of the paster layer sequentially comprises a base material layer, a decorative layer, a sealing layer and a self-adhesive layer from top to bottom.
15. The photovoltaic module of claim 14, wherein a paper layer is disposed between the backsheet and the lower encapsulant layer and simultaneously with the outer surface of the protective layer; or a paper pasting layer is arranged between the back plate and the lower packaging layer and on the upper part or in the middle of the upper packaging layer.
16. The photovoltaic module of claim 14 or 15, wherein the substrate is transparent when the decal layer is disposed between the backsheet and the lower encapsulant layer.
17. The photovoltaic module according to claim 14 or 15, wherein the self-adhesive layer is made of self-adhesive glue which is an anti-aging and waterproof adhesive; the material of the substrate layer is PVC, PET, temperature-resistant paper, PP, PC or fluorescent paper; the sealing layer is made of transparent PET, transparent OPP or transparent PVC; the ink adopted by the decorative layer is a waterproof and anti-aging ink raw material; the pattern of the paper-pasted layer is positioned on the decorative layer, and the pattern is a pattern and/or a character.
18. The photovoltaic module of claim 14 or 15, wherein the sticker layer has a thickness of 1 μm to 1mm and a weighted average light transmittance of 50% or more at 300nm to 1300 nm.
19. The photovoltaic module of claim 14 or 15, wherein the protective layer is tempered glass or ethylene-tetrafluoroethylene copolymer.
20. The photovoltaic module of claim 14 or 15, wherein the upper and lower encapsulant layers are each EVA, PVB, or silicone, and the upper and lower encapsulant layers are each transparent.
21. The photovoltaic module of claim 14 or 15, wherein the power generation layer comprises a single crystal silicon cell or a polycrystalline silicon cell.
22. The photovoltaic module of claim 14 or 15 wherein the backsheet material is TPT, PET, DNP or toughened glass; the thickness of the back plate is 1 mm-4 mm.
23. A method of making the photovoltaic module of claim 14, wherein the decal layer is disposed between the backsheet and the lower encapsulant layer, comprising the steps of:
1) sorting, single welding and series welding the battery pieces to obtain a power generation layer;
2) pasting the paper pasting layer on the back plate, and then coating a lower packaging layer on the paper pasting layer;
3) and then sequentially laying a power generation layer, an upper packaging layer and a protective layer on the lower packaging layer, and laminating the stacked layers to obtain the photovoltaic module.
24. A method for preparing a photovoltaic module according to claim 14, wherein the sticker layer is disposed on or in the middle of the upper encapsulant layer, comprising the steps of:
1) sorting, single welding and series welding the battery pieces to obtain a power generation layer;
2) coating a lower packaging layer and a power generation layer on the back plate;
3) and coating an encapsulation layer on the power generation layer, laying a paper lamination layer, preparing a protective layer on the paper lamination layer, and laminating the lamination layer to obtain the photovoltaic module.
25. A method for preparing the photovoltaic module according to claim 14, wherein the sticker is prepared on the outer surface of the protective layer, and the method comprises the following steps:
1) sorting, single welding and series welding the battery pieces to obtain a power generation layer;
2) coating a lower packaging layer, a power generation layer, an upper packaging layer and a protective layer on the back plate;
3) and coating a paper layer on the protective layer, and laminating the laminated layer to obtain the photovoltaic module.
26. The manufacturing method according to any one of claims 23 to 25, wherein a paper-clad layer is provided between the back sheet and the lower encapsulation layer and at the same time on the outer surface of the protective layer; or a paper pasting layer is arranged between the back plate and the lower packaging layer and on the upper part or in the middle of the upper packaging layer.
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Application publication date: 20200218 |