CN115159840A - Preparation method of yellow series BIPV product - Google Patents
Preparation method of yellow series BIPV product Download PDFInfo
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- CN115159840A CN115159840A CN202210830171.1A CN202210830171A CN115159840A CN 115159840 A CN115159840 A CN 115159840A CN 202210830171 A CN202210830171 A CN 202210830171A CN 115159840 A CN115159840 A CN 115159840A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/04—Opacifiers, e.g. fluorides or phosphates; Pigments
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
- C03C17/04—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/72—Decorative coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/119—Deposition methods from solutions or suspensions by printing
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- 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]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention belongs to the technical field of building photovoltaic integration, and particularly relates to a preparation method of a yellow series BIPV product, which adopts multilayer stacked low-extinction-coefficient nano inorganic materials, disperses the materials in a transparent high-temperature glaze, coats the surface of front plate glass through silk screen printing processing, and forms a silver coating through high-temperature sintering at 700 ℃. By controlling the dosage of the nano inorganic material in the transparent high-temperature glaze, the low-absorption visible light coffee with different brightness from golden yellow can be obtained.
Description
Technical Field
The invention belongs to the technical field of building photovoltaic integration, and particularly relates to a preparation method of a yellow series BIPV product.
Background
The solar cell absorbs visible light strongly, the photovoltaic module is dark in appearance, is mounted on a building, and is single in appearance, so that a colorful BIPV product appears. The prior yellow BIPV product and the prior colored glaze have the problem of large light absorption of pigments, so that the power loss of a photovoltaic module is too large, or UV (ultraviolet) coating is not suitable for the buildings at all, the yellow film light splitting film has complex process, serious color cast in actual use, easy color difference generation and high manufacturing cost.
Disclosure of Invention
The invention aims to provide a preparation method of a yellow series BIPV product, which aims to solve the difficult problems of dark and single color of the conventional BIPV product, enables the outer vertical surface of a building to present warm tone series colors such as gold, coffee and the like with various chromaticities and different light and shade degrees on the premise of ensuring the power generation efficiency of a component, has noble and rich tones, greatly improves the consistency of the appearance tones of the building, greatly reduces the loss of the photoelectric conversion efficiency of a photovoltaic component, and has simple and reliable process procedures.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation method of a yellow series BIPV product comprises the following steps:
(1) Preparing an optical film: the optical film is formed by compounding a high-refractive-index material H and a low-refractive-index material L, the basic structure of the optical film is HLH, only LH laminates are added each time and can be stacked for multiple times, the thickness of the high-refractive-index material H is 52-85nm, and the thickness of the low-refractive-index material L is 80-120nm;
(2) Plating 5-7 layers of optical films on the surface of the glass, and controlling the spectral curve as follows: the reflectivity of the reflection band 540-650nm is not less than 30%, the transmission band is 380-500nm, the transmissivity is not less than 70%, and the absorptivity is less than 1.0%;
(3) Separating and processing the optical film: separating the optical film from the glass substrate, and extracting the optical film;
(4) Pigment preparation: grinding the optical film until the granularity of the powder is 10 to 60 mu m;
(5) Pigment dispersion in transparent glaze: uniformly mixing the pigment powder and the transparent glaze, and selecting different mixing ratios of the pigment and the transparent glaze according to the requirements of appearance and transmittance;
(6) Silk-screen printing: coating the pigment on the glass surface of the BIPV front panel according to a common glass screen printing process;
(7) And (3) high-temperature sintering: sintering at 700 ℃ according to the common glass toughening step to obtain a BIPV product of the yellow series front plate glass coating;
further, in the step (1), the high-refractive-index material is at least one of titanium dioxide, niobium pentoxide, zinc dioxide and tin dioxide, and the refractive index is greater than 2.0; the low-refractive-index material is at least one of silicon dioxide and aluminum oxide, and the refractive index is less than 1.67.
Further, the optical film material plated in the step (2) resists high temperature above 700 ℃.
The color generation mechanism is as follows: for various civil photovoltaic cells (mainly comprising crystalline silicon and thin film photovoltaic cells), the spectral response range of the photovoltaic cells under the solar illumination condition is basically in the range of 360-1000nm and is coincident with the visual spectral range of human, so that for various color types of BIPV products, the principle of following is required in the product design: the pigment or the colored film finishes the appearance color design of the product under the condition of controlling the light absorptivity to be as low as possible (less than or equal to 1%) in the required spectral range, and reduces the influence on the photoelectric conversion efficiency of the photovoltaic cell as much as possible. According to the principle, various coating materials are selected to prepare the visible light region low-absorption light splitting film of the BIPV photovoltaic module with different chroma and light-dark degrees, and the high-temperature printing ink is finally prepared by refining and summarizing on the basis of mature process technology, so that the yellow BIPV product is designed and manufactured, the high quality is ensured, meanwhile, the rear-end process flexibility and stability are improved, the original complex process is simple and reliable, and the unreliability in the aspect of original pigment selection is also solved.
The invention has the advantages that:
1. the invention adopts multilayer superposed low extinction coefficient nano inorganic materials, disperses in transparent high-temperature glaze, then coats the surface of front glass plate by silk screen printing, forms yellow coating by high-temperature sintering at 700 ℃, and can obtain low-absorption visible light coffee, low-absorption visible light yellow and coffee with different brightness from golden yellow to various lightness by controlling the dosage of the nano inorganic materials in the transparent high-temperature glaze;
2. the invention solves the difficult problems of dark and single color of the conventional BIPV product, ensures that the outer vertical surface of the building can present warm tone series colors such as gold, coffee and the like with various chromaticities and different light and shade degrees on the premise of ensuring the power generation efficiency of the component, has noble and rich tones, greatly improves the consistency of the appearance tone of the building, greatly reduces the loss of the photoelectric conversion efficiency of the photovoltaic component, and has simple and reliable process;
3. compared with the existing colored glaze type BIPV product, the invention has the advantages that the photoelectric conversion efficiency is greatly reduced, the breaking ratio is less than or equal to 30 percent, and the breaking of other common glaze materials is about 60 percent; compared with the existing film-coated BIPV product, the method has the advantages of simple and flexible process, easy color difference control, low cost and stable processing process, is suitable for mass production, and meets the use requirement of the photovoltaic product for 25 years.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
Examples
Taking a cadmium telluride (CdTc) thin-film solar BIPV product as an example for detailed description, a typical structure of the product comprises front plate glass, PVB, power generation glass, PVB and back plate glass which are arranged in sequence from top to bottom, wherein the front plate glass is used as the outermost layer of the BIPV product, the appearance color of the front plate glass can determine the exterior three-dimensional color and the overall appearance effect of a building, and the preparation method of the colored front plate glass comprises the following steps:
the spectroscopic film materials and film structures were as follows:
(1) Preparing an optical film: the optical film is formed by compounding a high-refractive-index material H and a low-refractive-index material L, the basic structure of the optical film is HLH, only LH laminates are added each time and can be stacked for many times, the thickness of the high-refractive-index material H is 52-85nm, the thickness of the low-refractive-index material L is 80-120nm, the high-refractive-index material is at least one of titanium dioxide, niobium pentoxide, zinc dioxide and tin dioxide, and the refractive index is larger than 2.0; the low-refractive-index material is at least one of silicon dioxide and aluminum oxide, and the refractive index is less than 1.67;
(2) Plating 5-7 layers of optical films on the surface of the glass, and controlling the spectral curve as follows: the reflectivity of the reflection band is 540-650nm and is not less than 30%, the transmissivity of the transmission band is 380-500nm, the transmissivity of the transmission band is not less than 70%, the absorptivity of the transmission band is less than 1.0%, and the plated optical thin film material can resist the high temperature of more than 700 ℃;
(3) Separating and processing the optical film: separating the optical film from the glass substrate, and extracting the optical film;
(4) Pigment preparation: grinding the optical film until the granularity of the powder is 10 to 60 mu m;
(5) Pigment dispersion in transparent glaze: uniformly mixing the pigment powder and the transparent glaze, and selecting different mixing ratios of the pigment and the transparent glaze according to the requirements of appearance and transmittance;
(6) Screen printing: coating the pigment on the glass surface of the BIPV front panel according to a common glass screen printing process;
(7) And (3) high-temperature sintering: and sintering at 700 ℃ according to the common glass toughening step to obtain the BIPV product with the yellow series front plate glass coating.
Compared with the prior colored glaze type BIPV product, the photoelectric conversion efficiency of the invention is greatly reduced, the breaking ratio is less than or equal to 30 percent, and the breaking ratio of other common glaze materials is about 60 percent; compared with the existing coating type BIPV product, the invention has simple and flexible process and is easy to control chromatic aberration. The method is suitable for low-cost mass production, meets the use requirement of photovoltaic products for 25 years, and has a stable processing technology.
Claims (3)
1. A preparation method of a yellow series BIPV product is characterized by comprising the following steps:
(1) Preparing an optical film: the optical film is formed by compounding a high-refractive-index material H and a low-refractive-index material L, the basic structure of the optical film is HLH, only LH laminates are added each time and can be stacked for multiple times, the thickness of the high-refractive-index material H is 52-85nm, and the thickness of the low-refractive-index material L is 80-120nm;
(2) Plating 5-7 layers of optical films on the surface of the glass, and controlling the spectral curve as follows: the reflectivity of the reflection band 540-650nm is not less than 30%, the transmission band is 380-500nm, the transmissivity is not less than 70%, and the absorptivity is less than 1.0%;
(3) Separating and processing the optical film: separating the optical film from the glass substrate, and extracting the optical film;
(4) Pigment preparation: grinding the optical film until the granularity of the powder is 10 to 60 mu m;
(5) Pigment dispersion in transparent glaze: uniformly mixing the pigment powder and the transparent glaze, and selecting different mixing ratios of the pigment and the transparent glaze according to the requirements of appearance and transmittance;
(6) Screen printing: coating the pigment on the glass surface of the BIPV front panel according to a common glass screen printing process;
(7) And (3) high-temperature sintering: and sintering at 700 ℃ according to the common glass toughening step to obtain the BIPV product with the yellow series front plate glass coating.
2. A process for the preparation of a yellow-based BIPV product according to claim 1, wherein: in the step (1), the high-refractive-index material is at least one of titanium dioxide, niobium pentoxide, zinc dioxide and tin dioxide, and the refractive index is greater than 2.0; the low-refractive-index material is at least one of silicon dioxide and aluminum oxide, and the refractive index is less than 1.67.
3. The process for the preparation of a yellow series of BIPV products according to claim 2, wherein: the optical film material plated in the step (2) resists high temperature of more than 700 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210830171.1A CN115159840A (en) | 2022-07-15 | 2022-07-15 | Preparation method of yellow series BIPV product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210830171.1A CN115159840A (en) | 2022-07-15 | 2022-07-15 | Preparation method of yellow series BIPV product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115159840A true CN115159840A (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210830171.1A Withdrawn CN115159840A (en) | 2022-07-15 | 2022-07-15 | Preparation method of yellow series BIPV product |
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| Country | Link |
|---|---|
| CN (1) | CN115159840A (en) |
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2022
- 2022-07-15 CN CN202210830171.1A patent/CN115159840A/en not_active Withdrawn
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Application publication date: 20221011 |
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