CN108336167A - A kind of solar photovoltaic assembly with radiation cooling function - Google Patents
A kind of solar photovoltaic assembly with radiation cooling function Download PDFInfo
- Publication number
- CN108336167A CN108336167A CN201810361897.9A CN201810361897A CN108336167A CN 108336167 A CN108336167 A CN 108336167A CN 201810361897 A CN201810361897 A CN 201810361897A CN 108336167 A CN108336167 A CN 108336167A
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- China
- Prior art keywords
- solar photovoltaic
- coating
- photovoltaic assembly
- cooling coating
- radiant cooling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 230000005855 radiation Effects 0.000 title claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003085 diluting agent Substances 0.000 claims abstract description 4
- 229920002521 macromolecule Polymers 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 239000000654 additive Substances 0.000 claims abstract description 3
- 230000000996 additive effect Effects 0.000 claims abstract description 3
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical compound OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229920006243 acrylic copolymer Polymers 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 3
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 4
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- 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
- H01L31/024—Arrangements for cooling, heating, ventilating or temperature compensation
-
- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention discloses a kind of solar photovoltaic assembly with radiation cooling function, including photovoltaic substrate and opaque radiant cooling coating, the opaque radiant cooling coating are coated on the photovoltaic substrate front surface；The thickness of the opaque radiant cooling coating is 10~30 μm；The opaque radiant cooling coating includes macromolecule resin, micro-powder, coating additive and diluent；The micro-powder includes titanium dioxide (TiO2) and silica (SiO2) in any one or two kinds combination, the grain size of the micro-powder is 10~30 μm.Technical solution of the present invention has been intended to provide a kind of new space-ward radiations heat energy to reach cooling to help to improve the solar photovoltaic assembly of photoelectric conversion efficiency；And its is simple in structure, and preparation method is more economical, is easy to produce in batches.
Description
Technical field
The present invention relates to photovoltaic power supply technical field, more particularly to a kind of photovoltaic group with radiation cooling function
Part.
Background technology
Currently, the photoelectric conversion efficiency of crystal silicon solar photovoltaic module is generally 20% hereinafter, most of sunlight spoke
Penetrate be converted to thermal energy cause the operating temperature of photovoltaic cell to increase, transfer efficiency reduce.It is improved too by reducing operating temperature
The method of positive electricity pond component efficiency is paid attention to by industry for a long time.
Chinese patent CN203690323U has invented a kind of mode of hollow water cavity and has cooled down to photovoltaic module, and structure is more multiple
Miscellaneous, cost is higher, and consumes water.
It is scattered that Chinese patent CN201621010862.3 has invented a kind of metal reducing photovoltaic module rear connection box temperature
Hot pedestal, this structure is also more complicated, and cost is also higher.
Both patent preparation methods are relative complex, and cost is also higher.Therefore, in view of the deficiencies of the prior art, it is necessary to
It is proposed a kind of new technical solution.
Invention content
The present invention proposes a kind of solar photovoltaic assembly with radiation cooling function, it is desirable to provide it is a kind of it is new to
Irradiation space heat is to reach cooling to help to improve the solar photovoltaic assembly of photoelectric conversion efficiency；And its structure letter
Single, preparation method is more economical, is easy to produce in batches.
To achieve the above object, a kind of solar photovoltaic assembly with radiation cooling function proposed by the present invention, including
Photovoltaic substrate and opaque radiant cooling coating, the opaque radiant cooling coating are coated in the photovoltaic substrate
On front surface；The thickness of opaque radiant cooling coating is 10~30 μm, the component of the opaque radiant cooling coating and again
It is as follows to measure number：
Wherein, the micro-powder includes titanium dioxide (TiO2) and silica (SiO2) in any one or
The grain size of two kinds of combination, the micro-powder is 10~30 μm.
Wherein the macromolecule resin is aqueous polyurethane or epoxy resin；The dispersant is a kind of polymer-type
Anionic dispersing agents；Levelling agent is acrylic copolymer or non-reactive Siloxane-Oxyalkylene Copolymers；Coalescents are ethylene glycol
Monobutyl ether or dipropylene mixture；Thickener is a kind of hydroxy acrylic acid aqueous dispersion；Diluent be water and
Or alcohols.The photovoltaic substrate is regular solar photovoltaic substrate.
The preparation method of opaque radiant of the present invention cooling coating is：Said components raw material is passed through into machine by formula first
The method that tool is blended is prepared into coating, then uses spraying and the method brushed by the clearcoat application containing μm particle too
On positive energy photovoltaic face glass, cures 0.5~1h at a temperature of 100~200 DEG C, solar energy photovoltaic group can be formed
Part.Wherein opaque radiant cooling coating layer thickness is 10~30 μm.
Technical solution of the present invention is coated in by using opaque radiant cooling coating on photovoltaic substrate, is not being influenced
Under the premise of translucency, the heat of photovoltaic module is transmitted on opaque radiant cooling coating, then opaque radiant cooling coating
Heat is emitted to the outer space by infra-red radiation, to effectively reduce the temperature of solar photovoltaic assembly, to effectively carry
High-photoelectric transformation efficiency；And the configuration of the present invention is simple, preparation method is more economical, is easy to produce in batches.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the new embodiment of this practicality；
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
The present invention proposes a kind of solar photovoltaic assembly with radiation cooling function.
In embodiments of the present invention, as shown in Figure 1；The solar photovoltaic assembly with radiation cooling function, including too
Positive energy photovoltaic substrate 1a and opaque radiant cooling coating 1b, opaque radiant cooling coating 1b are being coated in photovoltaic substrate 1a just
On surface；The thickness of opaque radiant cooling coating 1b is 10~30 μm, the component and part of opaque radiant cooling coating 1b
It is as follows：
Wherein, micro-powder 2b includes titanium dioxide (TiO2) and silica (SiO2) in any one or two
The grain size of the combination of kind, micro-powder 2b is 10~30 μm.
Technical solution of the present invention is coated in by using opaque radiant cooling coating 1b on photovoltaic substrate 1a, not
Under the premise of influencing translucency, the heat of photovoltaic module is transmitted on opaque radiant cooling coating 1b, which can be with very
Strong infra-red radiation ability emits the heat that the coating is absorbed into from surrounding to the outer space, has significant cooling-down effect, from
And the temperature of solar photovoltaic assembly is effectively reduced, to effectively improve photoelectric conversion efficiency；Compared with prior art, of the invention
Simple in structure, production technology is relatively easy, is not only convenient for volume production, and have efficient transfer efficiency.
In embodiments of the present invention, coating additive include at least dispersant, levelling agent, coalescents and thickener one
Kind.
In embodiments of the present invention, macromolecule resin is aqueous polyurethane or epoxy resin.
In embodiments of the present invention, dispersant is a kind of polymer-type anionic dispersing agents；Levelling agent is total for acrylic acid
Polymers or non-reactive Siloxane-Oxyalkylene Copolymers；Coalescents are ethylene glycol monobutyl ether or dipropylene mixture；
Thickener is a kind of hydroxy acrylic acid aqueous dispersion；Diluent is water and/or alcohols.
In embodiments of the present invention, opaque radiant cooling coating 1b will be contained with spraying and the method brushed and be coated in solar energy
On photovoltaic substrate 1a front surfaces, and cure 0.5~1h at a temperature of 100~200 DEG C.
The photoelectric conversion efficiency of the solar photovoltaic assembly with radiation cooling function of the present invention significantly improves, in temperature
By energy density to be 800W/m under conditions of 300K (about 27 DEG C)2Sunshine, the table for the solar cell not taken measures
Face temperature will rise to 342.3K (about 69 DEG C).And outdoor version solar cell power generation performance rated value largely be all
It is measured at a temperature of 25 DEG C.Moreover, crystalline silicon class solar cell is poor to the tolerance of temperature rise, temperature often rises about
1K, output power will decline 0.45%.When surface temperature reaches 69 DEG C, temperature rises about 42K, meeting compared with the condition of rated value
Output power is caused to decline about 19%.The solar cell for being 20% if it is transfer efficiency rated value, it is real under this condition
The transfer efficiency that border can play is only 16% or so.The present invention can be by 800W/m2Temperature rise amplitude control under sunshine exists
17.6K.At this moment, the surface temperature of solar cell only has about 52 DEG C, and output power only declines about 11%.Above-mentioned transfer efficiency is
20% solar cell is practical to be worked with about 18% transfer efficiency.
Meanwhile existing photovoltaic module cooling is all the structure by overleaf being realized using other materials or combining form
It is complicated.And the present invention using from photovoltaic module front cool down by the way of, and have very strong infra-red radiation cooling function.So
The combining form of the present invention has originality.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (5)
1. a kind of solar photovoltaic assembly with radiation cooling function, which is characterized in that including photovoltaic substrate and thoroughly
Bright radiation cooling coating, the opaque radiant cooling coating are coated on the photovoltaic substrate front surface；It is described transparent
The thickness of radiation cooling coating is 10~30 μm, and the component and part of the opaque radiant cooling coating is as follows：
Wherein, the micro-powder includes titanium dioxide (TiO2) and silica (SiO2) in any one or two kinds
Combination, the grain size of the micro-powder is 10~30 μm.
2. solar photovoltaic assembly as described in claim 1, which is characterized in that the coating additive include at least dispersant,
One kind of levelling agent, coalescents and thickener.
3. solar photovoltaic assembly as described in claim 1, which is characterized in that the macromolecule resin be aqueous polyurethane or
Epoxy resin.
4. solar photovoltaic assembly as claimed in claim 2, which is characterized in that the dispersant is that a kind of polymer-type is cloudy
Ionic dispersants；Levelling agent is acrylic copolymer or non-reactive Siloxane-Oxyalkylene Copolymers；Coalescents are ethylene glycol list
Butyl ether or dipropylene mixture；Thickener is a kind of hydroxy acrylic acid aqueous dispersion；Diluent be water and/or
Alcohols.
5. the solar photovoltaic assembly as described in Claims 1-4 any one, which is characterized in that with spraying and the side brushed
Method will contain opaque radiant cooling coating and be coated on photovoltaic substrate front surface, and cure at a temperature of 100~200 DEG C
0.5~1h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361897.9A CN108336167A (en) | 2018-04-20 | 2018-04-20 | A kind of solar photovoltaic assembly with radiation cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361897.9A CN108336167A (en) | 2018-04-20 | 2018-04-20 | A kind of solar photovoltaic assembly with radiation cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108336167A true CN108336167A (en) | 2018-07-27 |
Family
ID=62934262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810361897.9A Pending CN108336167A (en) | 2018-04-20 | 2018-04-20 | A kind of solar photovoltaic assembly with radiation cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108336167A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767041A (en) * | 2018-08-24 | 2018-11-06 | 宁波瑞凌辐射制冷科技有限公司 | A kind of method and device improving photovoltaic optoelectronic transformation efficiency |
| CN108800602A (en) * | 2018-08-24 | 2018-11-13 | 宁波瑞凌节能环保创新与产业研究院 | A kind of method and apparatus improving photovoltaic-solar-thermal conversion rate |
| CN109888046A (en) * | 2019-01-19 | 2019-06-14 | 天津大学 | Solar panel passive type cooling structure and method based on infrared emission |
| CN115833802A (en) * | 2022-01-07 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Bootstrap circuit driving method and device, controller and power utilization system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767041A (en) * | 2018-08-24 | 2018-11-06 | 宁波瑞凌辐射制冷科技有限公司 | A kind of method and device improving photovoltaic optoelectronic transformation efficiency |
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| CN109888046A (en) * | 2019-01-19 | 2019-06-14 | 天津大学 | Solar panel passive type cooling structure and method based on infrared emission |
| CN115833802A (en) * | 2022-01-07 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Bootstrap circuit driving method and device, controller and power utilization system |
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Application publication date: 20180727 |