CN111334100B - Super-hydrophilic coating agent for front side of photovoltaic module, preparation method and application method - Google Patents
Super-hydrophilic coating agent for front side of photovoltaic module, preparation method and application method Download PDFInfo
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- CN111334100B CN111334100B CN202010181390.2A CN202010181390A CN111334100B CN 111334100 B CN111334100 B CN 111334100B CN 202010181390 A CN202010181390 A CN 202010181390A CN 111334100 B CN111334100 B CN 111334100B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 16
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 5
- 238000002834 transmittance Methods 0.000 abstract description 5
- 241000227425 Pieris rapae crucivora Species 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 238000001723 curing Methods 0.000 description 3
- 238000001029 thermal curing Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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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
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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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Abstract
The invention provides a super-hydrophilic coating agent for the front surface of a photovoltaic module, which is prepared from the following raw materials in parts by weight: 20-30 parts of nano silicon dioxide dispersion liquid, 0.5-1 part of nano titanium dioxide dispersion liquid, 1-2 parts of propylene glycol methyl ether, 4-5 parts of isopropanol, 20-25 parts of methanol, 30-35 parts of ethanol and 5-10 parts of plasma water. The nano-silica particles and the nano-titania particles are always kept in a nano-scale in the preparation and use processes, so that the plurality of bulges on the surface of the coating agent are in a peak shape when the coating agent is coated on the front surface of the photovoltaic component through microscope observation, the super-hydrophilicity of the surface of the photovoltaic component is effectively ensured, and the coating agent can be quickly cured under the natural condition after being coated. When the super-hydrophilic coating agent for the front side of the photovoltaic module is applied to glass, the detection report of China building material inspection and certification group shows that the light transmittance is increased by 4% compared with that of common white glass, the contact angle between super-hydrophilic certification water and the module is 4 degrees, and the Huayang inspection and detection technology Limited company does not damage and certify the surface of the module.
Description
Technical Field
The invention relates to a coating agent, in particular to a super-hydrophilic coating agent for the front side of a photovoltaic module, a preparation method and an application method.
Background
The surface of the photovoltaic module is AR treated during production, so that the contact angle of the surface of the module and water is between 30 and 40 degrees. The photovoltaic module surface after leaving the factory is under the influence of various factors such as environment, adsorbs pollutants such as dust easily, influences the generated energy of subassembly. The reason why the contact angle between water and the surface of the photovoltaic module subjected to the AR treatment can be reduced is that the requirement for hydrophilicity cannot be met because silicon in the coating liquid is attached to the surface of the module in a cylindrical state when the module is subjected to the AR treatment, and the hydrophilicity is poor.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the invention provides a super-hydrophilic coating agent with a super-hydrophilic function for the front side of a photovoltaic module. The technical scheme is as follows:
the invention provides a super-hydrophilic coating agent for the front surface of a photovoltaic module, which is prepared from the following raw materials in parts by weight: 20-30 parts of nano silicon dioxide dispersion liquid, 0.5-1 part of nano titanium dioxide dispersion liquid, 1-2 parts of propylene glycol methyl ether, 4-5 parts of isopropanol, 20-25 parts of methanol, 30-35 parts of ethanol and 5-10 parts of plasma water;
Wherein the nano silicon dioxide dispersion liquid and the nano titanium dioxide dispersion liquid keep nano-scale nano silicon dioxide particles and nano titanium dioxide particles all the time.
A preparation method of a super-hydrophilic coating agent on the front side of a photovoltaic module comprises the following process steps:
1) putting 20-30 parts by weight of nano silicon dioxide dispersion liquid, 20-25 parts by weight of methanol and 30-35 parts by weight of ethanol into a container, and fully rotating and stirring to prepare mixed liquid A;
2) 0.5-1 part by weight of titanium dioxide dispersion liquid, 5-10 parts by weight of plasma water, 1-2 parts by weight of propylene glycol methyl ether and 4-5 parts by weight of isopropanol are sequentially poured into the mixed liquid A, and are fully rotated and stirred to prepare a finished product, wherein nano-silicon dioxide particles and nano-titanium dioxide particles still keep nano-scale after the finished product is prepared.
The application method of the super-hydrophilic coating agent on the front surface of the photovoltaic module comprises the steps of uniformly wiping the prepared coating agent on the front surface of the photovoltaic module, curing for 2 hours in a natural environment, and observing a plurality of peaks on the surface of the photovoltaic module through a microscope when the coating agent is smeared on the front surface of the photovoltaic module.
According to the super-hydrophilic coating agent for the front surface of the photovoltaic module, provided by the invention, the nano silicon dioxide particles and the nano titanium dioxide particles are always kept in a nano level in the preparation and use processes, so that the peaks of a plurality of bulges on the surface of the coating agent are observed through a microscope when the coating agent is coated on the front surface of the photovoltaic module, the super-hydrophilicity of the surface of the photovoltaic module is effectively ensured, meanwhile, the coating agent can be quickly cured under natural conditions after being coated, the thermal treatment and curing are not needed, the application process is simpler and more convenient, and the stability is higher. When the super-hydrophilic coating agent for the front side of the photovoltaic module is applied to glass, the detection report of Chinese building material inspection and certification group shows that the light transmittance of the super-hydrophilic coating agent is increased by 4% compared with that of common white glass, the contact angle between super-hydrophilic certification water and the module is 4 degrees, and the Huayang inspection and detection technology Limited company does not damage and certifies the surface of the module. The super-hydrophilic coating agent for the front side of the photovoltaic module is prepared from various raw materials in proportion, has low energy consumption and no pollution, can be constructed in an environment with the temperature of more than 0 ℃, and has simple construction process, and the functions of durability, super-hydrophilicity, permeability enhancement, static resistance, no toxicity and the like are verified and authenticated by a third party testing organization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
1-4 are detection reports of visible light transmittance and contact angle to water when the super-hydrophilic coating agent on the front surface of the photovoltaic module is applied to the front surface of glass according to the embodiment of the invention;
5-8 are the detection report of the visible light transmittance and the contact angle of the existing white glass to water;
FIG. 9 is a schematic view of a surface microscope state of a conventional photovoltaic product without being coated with a super-hydrophilic coating agent on the front surface of a photovoltaic module according to an embodiment of the present invention;
FIG. 10 is a schematic diagram showing several peaks of protrusions under a surface microscope when a conventional photovoltaic product is coated with a super-hydrophilic coating agent on the front surface of a photovoltaic module according to an embodiment of the present invention;
fig. 11-28 are stability test reports of a photovoltaic product coated with a coating agent according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a super-hydrophilic coating agent for the front surface of a photovoltaic module, which is prepared from the following raw materials in parts by weight: 20-30 parts of nano silicon dioxide dispersion liquid, 0.5-1 part of nano titanium dioxide dispersion liquid, 1-2 parts of propylene glycol methyl ether, 4-5 parts of isopropanol, 20-25 parts of methanol, 30-35 parts of ethanol and 5-10 parts of plasma water;
wherein the nano silicon dioxide dispersion liquid and the nano titanium dioxide dispersion liquid keep nano-scale nano silicon dioxide particles and nano titanium dioxide particles all the time.
The preparation method comprises the following process steps:
1) placing 20-30 parts by weight of nano silicon dioxide dispersion liquid, 20-25 parts by weight of methanol and 30-35 parts by weight of ethanol into a container, and stirring at 3000 revolutions per minute for two hours to prepare mixed liquid A;
2) 0.5-1 part by weight of titanium dioxide dispersion liquid, 5-10 parts by weight of plasma water, 1-2 parts by weight of propylene glycol methyl ether and 4-5 parts by weight of isopropanol are sequentially poured into the mixed liquid A, and stirred for 40 minutes at 800 revolutions per minute to prepare a finished product, wherein the nano silicon dioxide particles and the nano titanium dioxide particles are still nano-scale after the finished product is prepared.
The application method comprises the steps of uniformly wiping the prepared super-hydrophilic coating agent on the front surface of the photovoltaic module, curing for 2 hours in a natural environment, and completely curing for 48 hours, wherein after the coating agent is smeared on the front surface of the photovoltaic module, a plurality of protrusions on the surface of the photovoltaic module are in a peak shape through microscope observation.
According to the super-hydrophilic coating agent for the front surface of the photovoltaic module, provided by the invention, the nano silicon dioxide particles and the nano titanium dioxide particles are always kept in a nano level in the preparation and use processes, so that the peaks of a plurality of bulges on the surface of the coating agent are observed through a microscope when the coating agent is coated on the front surface of the photovoltaic module, the super-hydrophilicity of the surface of the photovoltaic module is effectively ensured, meanwhile, the coating agent can be quickly cured under natural conditions after being coated, the thermal treatment and curing are not needed, the application process is simpler and more convenient, and the stability is higher. When the super-hydrophilic coating agent for the front side of the photovoltaic module is applied to glass, the detection report of China building material inspection and certification group shows that the light transmittance of the super-hydrophilic coating agent is increased by 4 percent compared with that of common white glass, and the contact angle between super-hydrophilic certification water and the module is 4 degrees.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications and substitutions should be considered as included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (2)
1. The super-hydrophilic coating agent for the front surface of the photovoltaic module is characterized by comprising the following raw materials in parts by weight: 20-30 parts of nano silicon dioxide dispersion liquid, 0.5-1 part of nano titanium dioxide dispersion liquid, 1-2 parts of propylene glycol methyl ether, 4-5 parts of isopropanol, 20-25 parts of methanol, 30-35 parts of ethanol and 5-10 parts of plasma water;
wherein the nano silicon dioxide dispersion liquid and the nano titanium dioxide dispersion liquid keep nano-scale with the nano titanium dioxide particles all the time;
a preparation method of a super hydrophilic coating agent for the front side of a photovoltaic module comprises the following process steps:
1) putting 20-30 parts by weight of nano silicon dioxide dispersion liquid, 20-25 parts by weight of methanol and 30-35 parts by weight of ethanol into a container, and fully rotating and stirring to prepare mixed liquid A;
2) 0.5-1 part by weight of titanium dioxide dispersion liquid, 5-10 parts by weight of plasma water, 1-2 parts by weight of propylene glycol methyl ether and 4-5 parts by weight of isopropanol are sequentially poured into the mixed liquid A, and are fully rotated and stirred to prepare a finished product, wherein nano-silicon dioxide particles and nano-titanium dioxide particles still keep nano-scale after the finished product is prepared.
2. An application method of the super-hydrophilic coating agent on the front surface of the photovoltaic module is characterized in that the coating agent prepared according to claim 1 is uniformly wiped on the front surface of the photovoltaic module and is cured in a natural environment for 2 hours, and when the coating agent is wiped on the front surface of the photovoltaic module, a plurality of protrusions on the surface of the photovoltaic module are in a peak shape when observed through a microscope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181390.2A CN111334100B (en) | 2020-03-16 | 2020-03-16 | Super-hydrophilic coating agent for front side of photovoltaic module, preparation method and application method |
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| CN202010181390.2A CN111334100B (en) | 2020-03-16 | 2020-03-16 | Super-hydrophilic coating agent for front side of photovoltaic module, preparation method and application method |
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| CN111334100A CN111334100A (en) | 2020-06-26 |
| CN111334100B true CN111334100B (en) | 2022-05-24 |
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| CN115678376A (en) * | 2022-09-08 | 2023-02-03 | 宁波甬安光科新材料科技有限公司 | Photovoltaic antireflection coating liquid capable of being cured at normal temperature and super-hydrophilic photovoltaic antireflection glass |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451525A (en) * | 1980-03-19 | 1984-05-29 | Nitto Electric Industrial Co., Ltd. | Products having compound membrane |
| JP2007149796A (en) * | 2005-11-25 | 2007-06-14 | Kyocera Corp | Photovoltaic device, manufacturing method thereof and photovoltaic generator |
| EP1923906A1 (en) * | 2005-08-12 | 2008-05-21 | Sharp Kabushiki Kaisha | Masking paste, method for producing same, and method for manufacturing solar cell using masking paste |
| CN206685398U (en) * | 2016-11-16 | 2017-11-28 | 浙江晶科能源有限公司 | A kind of photovoltaic module and its automatically cleaning backboard |
| CN110093050A (en) * | 2018-01-29 | 2019-08-06 | 新材料与产业技术北京研究院 | Superhydrophilic self-cleaning coating composition, superhydrophilic self-cleaning glass and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5656098A (en) * | 1992-03-03 | 1997-08-12 | Canon Kabushiki Kaisha | Photovoltaic conversion device and method for producing same |
| US8344238B2 (en) * | 2005-07-19 | 2013-01-01 | Solyndra Llc | Self-cleaning protective coatings for use with photovoltaic cells |
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2020
- 2020-03-16 CN CN202010181390.2A patent/CN111334100B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451525A (en) * | 1980-03-19 | 1984-05-29 | Nitto Electric Industrial Co., Ltd. | Products having compound membrane |
| EP1923906A1 (en) * | 2005-08-12 | 2008-05-21 | Sharp Kabushiki Kaisha | Masking paste, method for producing same, and method for manufacturing solar cell using masking paste |
| JP2007149796A (en) * | 2005-11-25 | 2007-06-14 | Kyocera Corp | Photovoltaic device, manufacturing method thereof and photovoltaic generator |
| CN206685398U (en) * | 2016-11-16 | 2017-11-28 | 浙江晶科能源有限公司 | A kind of photovoltaic module and its automatically cleaning backboard |
| CN110093050A (en) * | 2018-01-29 | 2019-08-06 | 新材料与产业技术北京研究院 | Superhydrophilic self-cleaning coating composition, superhydrophilic self-cleaning glass and preparation method thereof |
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