CN111509053A - Efficient self-cleaning carbon-doped boron nitride nano-coating photovoltaic module and manufacturing method thereof - Google Patents
Efficient self-cleaning carbon-doped boron nitride nano-coating photovoltaic module and manufacturing method thereof Download PDFInfo
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- CN111509053A CN111509053A CN201911006617.3A CN201911006617A CN111509053A CN 111509053 A CN111509053 A CN 111509053A CN 201911006617 A CN201911006617 A CN 201911006617A CN 111509053 A CN111509053 A CN 111509053A
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- 229910052582 BN Inorganic materials 0.000 title claims abstract description 70
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000002103 nanocoating Substances 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 47
- 238000000576 coating method Methods 0.000 claims abstract description 47
- 239000005341 toughened glass Substances 0.000 claims abstract description 33
- 239000011521 glass Substances 0.000 claims abstract description 13
- 238000004806 packaging method and process Methods 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000007888 film coating Substances 0.000 claims description 9
- 238000009501 film coating Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007761 roller coating Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000002086 nanomaterial Substances 0.000 claims description 6
- 229910052573 porcelain Inorganic materials 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000009432 framing Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000002135 nanosheet Substances 0.000 claims description 2
- 239000002313 adhesive film Substances 0.000 abstract description 8
- 238000002834 transmittance Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
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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
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/02168—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells the coatings being antireflective or having enhancing optical properties for the solar cells
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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
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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
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
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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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
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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
- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic component and a manufacturing method thereof, and the high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic component comprises carbon-doped hexagonal boron nitride coating semi-toughened glass, an upper layer of packaging adhesive film POE, a battery piece array, a lower layer of packaging adhesive film POE, grid glazing back plate semi-toughened glass, a three-body junction box and an aluminum frame which are sequentially arranged, wherein a layer of carbon-doped hexagonal boron nitride coating is coated on the carbon-doped hexagonal boron nitride coating semi-toughened glass; a manufacturing method of a high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic module comprises the following steps: preparing carbon-doped hexagonal boron nitride coating semi-tempered glass and manufacturing a photovoltaic module. The invention can improve the generating capacity of the photovoltaic module by the synergistic effect of a plurality of mechanisms of reducing the surface dust of the module glass, improving the light transmittance and the super hydrophobicity and decomposing organic matters.
Description
Technical Field
The invention relates to the technical field of solar photovoltaic power generation, in particular to a high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic module and a manufacturing method thereof.
Background
Conventional energy sources are very limited, both from the world and from china. The primary energy reserves in china are far below the average world level, and are only about 10% of the total world reserves. Solar energy is an inexhaustible renewable energy source, has the advantages of sufficient cleanness, absolute safety, relative universality, reliable long service life, maintenance-free property, resource sufficiency, potential economy and the like, and has an important position in a long-term energy strategy. The main principle of photovoltaic power generation is the photoelectric effect of semiconductors. When photons irradiate on the metal, the energy of the photons can be completely absorbed by certain electrons in the metal, and the energy absorbed by the electrons is large enough to overcome the internal attraction of the metal to work, so that the photons leave the surface of the metal and escape to form photoelectrons. The photoelectric effect is a phenomenon that a potential difference is generated between different parts of an uneven semiconductor or a semiconductor and a metal by light irradiation. Firstly, converting photons (light waves) into electrons, and converting light energy into electric energy; second, a voltage forming process.
When a photovoltaic power generation system operates, a photovoltaic module is usually exposed in the air, the surface of the module can be subjected to deposition of wind, sand, dust, bird excrement and the like for a long time, pollutants deposited on the surface of the photovoltaic module can directly influence the absorption and utilization of the photovoltaic module on sunlight, the output performance of the photovoltaic module is reduced, and in severe cases, the shielding of local pollutants can cause a hot spot effect to influence the normal service life of the module. Therefore, timely cleaning of the photovoltaic module is particularly important, and high-frequency post-maintenance and cleaning work of the power station causes high cleaning cost of the power station.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the photovoltaic module is particularly important to clean in time, however, the cleaning cost of the power station is high due to high-frequency power station later maintenance and cleaning work, and the high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic module and the manufacturing method thereof are further provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient automatically cleaning carbon doping boron nitride nanometer coating photovoltaic module, is including the carbon doping hexagonal boron nitride coating semi-tempered glass, upper packaging glued membrane POE, battery piece array, lower floor packaging glued membrane POE, half toughened glass of net glazing backplate, three-part terminal box, the aluminium frame that set gradually, scribble one deck carbon doping hexagonal boron nitride coating on the carbon doping hexagonal boron nitride coating semi-tempered glass, carbon doping boron nitride in the carbon doping hexagonal boron nitride coating is the three-dimensional nanometer porous structure of constituteing by two-dimentional hexagonal boron nitride nanosheet.
A manufacturing method of a high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic module comprises the following steps:
firstly, preparing carbon-doped hexagonal boron nitride coating semi-tempered glass:
step S1, melamine (C3N6H6) and boric acid (H3BO3) are mixed at a ratio of 1: 9, dispersing in acetone for 4 hours, and drying the dispersion liquid;
step S2, transferring the dried mixed powder into a porcelain boat, calcining the porcelain boat in a nitrogen protective atmosphere, heating at a heating rate of 3 ℃/min, stopping heating when the temperature reaches 300 ℃, and naturally cooling after heat preservation for 9h to finally obtain the porous carbon-doped boron nitride nano material;
step S3, mixing ethanol and water in a ratio of 8:2, and dispersing a certain amount of the porous carbon-doped boron nitride nano material obtained in the step S2 in a mixed solution of ethanol and water to obtain a coating liquid, wherein the mass fraction of the carbon-doped boron nitride in the coating liquid is 10-25%;
step S4, the existing roller coating and semi-tempering sintering technology is adopted to carry out coating and semi-tempering treatment on the glass substrate: the method comprises the steps of cutting a glass substrate into a certain size according to the required specification, then cleaning and drying, carrying out roller coating film coating on the substrate glass by adopting a roller coating process in the prior art through three processes of preheating, film coating and curing, carrying out semi-toughening treatment after film coating is finished, and enabling a carbon-doped hexagonal boron nitride coating to be firmly attached to the surface of the semi-toughened glass through chemical bonds to form the carbon-doped hexagonal boron nitride coating semi-toughened glass.
Secondly, manufacturing the photovoltaic module:
the manufacturing of the carbon-doped boron nitride nano-coating photovoltaic module is completed by adopting the existing photovoltaic module manufacturing technology through the working procedures of series welding, typesetting, laminating, framing, edge cutting, gluing and welding a junction box.
The invention has the beneficial effects that: according to the invention, the front surface of the photovoltaic module adopts the carbon-doped hexagonal boron nitride coating semi-toughened glass, the carbon-doped hexagonal boron nitride is of a nano porous structure, the diffuse reflection of sunlight can be effectively increased, the light reflection is reduced, and the light transmittance of the semi-toughened glass is increased.
Drawings
FIG. 1 is a schematic side view of a photovoltaic module according to the present invention;
fig. 2 is a back view of a photovoltaic module.
In the figure: the solar cell comprises a 1-carbon-doped hexagonal boron nitride coating, 2-carbon-doped hexagonal boron nitride coating semi-toughened glass, 3-upper-layer packaging adhesive films POE, 4-cell arrays, 5-lower-layer packaging adhesive films POE, 6-grid glazing backboard semi-toughened glass, a 7-three-body junction box and an 8-aluminum frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic module comprises carbon-doped hexagonal boron nitride coating semi-tempered glass 2, an upper layer of packaging adhesive film POE3, a battery piece array 4, a lower layer of packaging adhesive film POE5, grid glazed backboard semi-tempered glass 6, a three-body junction box 7 and an aluminum frame 8 which are sequentially arranged, wherein a layer of carbon-doped hexagonal boron nitride coating 1 is coated on the carbon-doped hexagonal boron nitride coating semi-tempered glass 2, and the carbon-doped boron nitride in the carbon-doped hexagonal boron nitride coating 1 is of a three-dimensional nano porous structure consisting of two-dimensional hexagonal boron nitride nano-pieces.
What needs to be further explained is a manufacturing method of the high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic module, which comprises the following steps:
firstly, preparing the carbon-doped hexagonal boron nitride coating semi-tempered glass 2:
step S1, melamine (C3N6H6) and boric acid (H3BO3) are mixed at a ratio of 1: 9, dispersing in acetone for 4 hours, and drying the dispersion liquid;
step S2, transferring the dried mixed powder into a porcelain boat, calcining the porcelain boat in a nitrogen protective atmosphere, heating at a heating rate of 3 ℃/min, stopping heating when the temperature reaches 300 ℃, and naturally cooling after heat preservation for 9h to finally obtain the porous carbon-doped boron nitride nano material;
step S3, mixing ethanol and water in a ratio of 8:2, and dispersing a certain amount of the porous carbon-doped boron nitride nano material obtained in the step S2 in a mixed solution of ethanol and water to obtain a coating liquid, wherein the mass fraction of the carbon-doped boron nitride in the coating liquid is 10-25%;
step S4, the existing roller coating and semi-tempering sintering technology is adopted to carry out coating and semi-tempering treatment on the glass substrate: the method comprises the steps of cutting a glass substrate into a certain size according to a required specification, then cleaning and drying, carrying out roller coating film coating on the substrate glass by adopting a roller coating process in the prior art through three processes of preheating, film coating and curing, carrying out semi-toughening treatment after film coating is finished, and enabling a carbon-doped hexagonal boron nitride coating 1 to be combined with the surface of the glass through a chemical bond, so that the carbon-doped hexagonal boron nitride coating 1 is firmly attached to the surface of the semi-toughened glass to form the carbon-doped hexagonal boron nitride coating semi-toughened glass 2.
Secondly, manufacturing the photovoltaic module:
the manufacturing of the carbon-doped boron nitride nano-coating photovoltaic module is completed by adopting the existing photovoltaic module manufacturing technology through the working procedures of series welding, typesetting, laminating, framing, edge cutting, gluing and welding a junction box.
The invention provides a high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic component and a manufacturing method thereof, wherein a layer of carbon-doped hexagonal boron nitride coating 1 is coated on the non-embossed surface of semi-tempered glass on the front surface of the photovoltaic component, the carbon-doped hexagonal boron nitride coating 1 is combined with the surface of the glass through a chemical bond after curing, so that the carbon-doped hexagonal boron nitride coating 1 is firmly attached to the carbon-doped hexagonal boron nitride coating semi-tempered glass 2 formed on the surface of the semi-tempered glass, the battery piece array 4, the carbon-doped hexagonal boron nitride coating semi-tempered glass 2 and the grid glazing backboard semi-tempered glass 6 are bonded into a laminated piece through an upper-layer packaging adhesive film POE3 and a lower-layer packaging adhesive film POE5 through vacuum lamination, and an aluminum mounting frame 8 and a three-component junction box 7 outside the laminated piece form a complete and effective photovoltaic component.
In conclusion, the front surface of the photovoltaic module adopts the carbon-doped hexagonal boron nitride coating semi-tempered glass 2, the carbon-doped hexagonal boron nitride is of a nano porous structure, the diffuse reflection of sunlight can be effectively increased, the reflection of light is reduced, and the light transmittance of the semi-tempered glass is increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (2)
1. The utility model provides a high-efficient automatically cleaning carbon doping boron nitride nanometer coating photovoltaic module, includes the half toughened glass of carbon doping hexagonal boron nitride coating (2), upper packaging glued membrane POE (3), battery piece array (4), lower floor's packaging glued membrane POE (5), half toughened glass of net glazing backplate (6), components of a whole that can function independently terminal box (7), aluminium frame (8) that set gradually, its characterized in that, scribble one deck carbon doping hexagonal boron nitride coating (1) on half toughened glass of carbon doping hexagonal boron nitride coating (2), carbon doping boron nitride in carbon doping hexagonal boron nitride coating (1) is the three-dimensional nanometer porous structure of compriseing two-dimensional hexagonal boron nitride nanosheet.
2. The method for manufacturing the high-efficiency self-cleaning carbon-doped boron nitride nano-coating photovoltaic module according to claim 1, characterized by comprising the following steps:
firstly, preparing the carbon-doped hexagonal boron nitride coating semi-tempered glass (2):
step S1, melamine (C3N6H6) and boric acid (H3BO3) are mixed at a ratio of 1: 9, dispersing in acetone for 4 hours, and drying the dispersion liquid;
step S2, transferring the dried mixed powder into a porcelain boat, calcining the porcelain boat in a nitrogen protective atmosphere, heating at a heating rate of 3 ℃/min, stopping heating when the temperature reaches 300 ℃, and naturally cooling after heat preservation for 9h to finally obtain the porous carbon-doped boron nitride nano material;
step S3, mixing ethanol and water in a ratio of 8:2, and dispersing a certain amount of the porous carbon-doped boron nitride nano material obtained in the step S2 in a mixed solution of ethanol and water to obtain a coating liquid, wherein the mass fraction of the carbon-doped boron nitride in the coating liquid is 10-25%;
step S4, the existing roller coating and semi-tempering sintering technology is adopted to carry out coating and semi-tempering treatment on the glass substrate: the method comprises the steps of cutting a glass substrate into a certain size according to the required specification, then cleaning and drying, carrying out roller coating film coating on the substrate glass by adopting a roller coating process in the prior art through three processes of preheating, film coating and curing, carrying out semi-toughening treatment after film coating is finished, and enabling a carbon-doped hexagonal boron nitride coating (1) to be combined with the surface of the glass through a chemical bond, so that the carbon-doped hexagonal boron nitride coating (1) is firmly attached to the surface of the semi-toughened glass to form the carbon-doped hexagonal boron nitride coating semi-toughened glass (2).
Secondly, manufacturing the photovoltaic module:
the manufacturing of the carbon-doped boron nitride nano-coating photovoltaic module is completed by adopting the existing photovoltaic module manufacturing technology through the working procedures of series welding, typesetting, laminating, framing, edge cutting, gluing and welding a junction box.
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