CN113471317A - Solar cell backboard for street lamp - Google Patents
Solar cell backboard for street lamp Download PDFInfo
- Publication number
- CN113471317A CN113471317A CN202110746089.6A CN202110746089A CN113471317A CN 113471317 A CN113471317 A CN 113471317A CN 202110746089 A CN202110746089 A CN 202110746089A CN 113471317 A CN113471317 A CN 113471317A
- Authority
- CN
- China
- Prior art keywords
- layer
- solar cell
- film layer
- film
- street lamp
- Prior art date
- 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.)
- Pending
Links
- 239000010410 layer Substances 0.000 claims abstract description 72
- 239000011241 protective layer Substances 0.000 claims abstract description 13
- 239000002033 PVDF binder Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/049—Protective back sheets
-
- 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
-
- 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
- Y02E10/52—PV systems with concentrators
Abstract
The invention relates to a solar cell backboard for a street lamp, which comprises a base layer and a film layer, wherein the film layer is arranged on the base layer; the film layer is provided with a temperature-resistant layer, a reflective layer and a protective layer, and the temperature-resistant layer, the reflective layer and the protective layer are sequentially stacked; in addition, the film layer is directly plated on the substrate layer, so that the oxygen resistance and the light protection can be realized efficiently, and the weather resistance, the barrier property and the aging resistance of the whole back plate are better by controlling the thickness ratio of materials of each layer.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a solar battery backboard for a street lamp.
Background
Solar power generation is to directly convert the visible light of the sun into electric energy by utilizing the principle of the photovoltaic effect of semiconductors such as silicon and the like, the solar energy on the street lamp needs to face the changing weather and the changeable environment and needs a material to protect a solar cell silicon wafer, and the back surface of the street lamp is protected by a solar cell backboard; therefore, the solar cell backboard for the street lamp is designed.
Disclosure of Invention
The present invention aims to solve the technical problem in batteries at least to a certain extent. Therefore, the invention provides a solar cell backboard for a street lamp.
The technical scheme adopted by the invention for solving the technical problems is as follows: a solar cell backboard for a street lamp comprises a base layer and a film layer, wherein the film layer is arranged on the base layer; the film layer is provided with a temperature-resistant layer, a reflective layer and a protective layer, the temperature-resistant layer, the reflective layer and the protective layer are sequentially stacked, and the thickness ratio of the film layer is 1: 0.1-0.2: 2.1-3.
In a preferred embodiment of the present invention, the projection surface of the reflective layer covers the projection surface of the protective layer along the thickness direction of the solar cell back panel.
In a preferred embodiment of the present invention, at least one layer of alumina is disposed between the base layer and the membrane layer.
In a preferred embodiment of the present invention, the ratio of the thicknesses of the substrate layer and the film layer is 1: 2 to 2.5.
In a preferred embodiment of the present invention, the thickness of the base layer is 2 to 15 μm; the thickness of the film layer is 4-37.5 microns.
In a preferred embodiment of the present invention, the material of the base layer is polyvinyl fluoride and polyvinylidene fluoride.
The invention has the beneficial effects that: after the structure is adopted, the film layer has better water vapor and oxygen barrier properties, particularly the protective layer can effectively block water and oxygen, and the consumption and the cost of the aluminum product are lower than those of the prior art.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the light-emitting diode comprises a base layer, 2, a film layer, 3, a temperature-resistant layer, 4, a reflective layer, 5 and a protective layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of 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 considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1, a solar cell back panel for a street lamp includes a base layer 1 and a film layer 2, wherein the film layer 2 is disposed on the base layer 1; the film layer 2 is provided with a temperature-resistant layer 3, a reflective layer 4 and a protective layer 5, the temperature-resistant layer 3, the reflective layer 4 and the protective layer 5 are sequentially stacked, and the thickness ratio of the film layer is 1: 0.1-0.2: 2.1-3.
And the projection surface of the reflecting layer 4 covers the projection surface of the protective layer 5 along the thickness direction of the solar cell back panel.
At least one layer of alumina is arranged between the base layer 1 and the film layer 2.
The thickness ratio of the base layer 1 to the film layer 2 is 1: 2-2.5.
The thickness of the base layer 1 is 2-15 microns; the thickness of the film layer 2 is 4-37.5 microns.
The base layer 1 is made of polyvinyl fluoride and polyvinylidene fluoride.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (6)
1. The utility model provides a solar cell backplate for street lamp, solar cell backplate includes basic unit and rete, its characterized in that: the film layer is arranged on the base layer; the film layer is provided with a temperature-resistant layer, a reflective layer and a protective layer, the temperature-resistant layer, the reflective layer and the protective layer are sequentially stacked, and the thickness ratio of the film layer is 1: 0.1-0.2: 2.1-3.
2. The solar cell back sheet for street lamps according to claim 1, wherein: and the projection surface of the reflecting layer covers the projection surface of the protective layer along the thickness direction of the solar cell back panel.
3. The solar cell back sheet for street lamps according to claim 1, wherein: at least one layer of alumina is arranged between the base layer and the film layer.
4. The solar cell back sheet for street lamps according to claim 1, wherein: the thickness ratio of the base layer to the film layer is 1: 2-2.5.
5. The solar cell back sheet for street lamps according to claim 1, wherein: the thickness of the base layer is 2-15 microns; the thickness of the film layer is 4-37.5 microns.
6. The solar cell back sheet for street lamps according to claim 1, wherein: the base layer is made of polyvinyl fluoride and polyvinylidene fluoride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746089.6A CN113471317A (en) | 2021-07-01 | 2021-07-01 | Solar cell backboard for street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746089.6A CN113471317A (en) | 2021-07-01 | 2021-07-01 | Solar cell backboard for street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113471317A true CN113471317A (en) | 2021-10-01 |
Family
ID=77877411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110746089.6A Pending CN113471317A (en) | 2021-07-01 | 2021-07-01 | Solar cell backboard for street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113471317A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010177384A (en) * | 2009-01-28 | 2010-08-12 | Techno Polymer Co Ltd | Backsheet for solar cell |
| CN103597608A (en) * | 2011-07-13 | 2014-02-19 | 东洋铝株式会社 | Solar cell backside protective sheet having reflectivity |
| CN106129159A (en) * | 2016-07-26 | 2016-11-16 | 无锡中洁能源技术有限公司 | The solar cell backboard that a kind of reflecting properties is good |
| CN207303123U (en) * | 2017-11-08 | 2018-05-01 | 苏州福斯特光伏材料有限公司 | A kind of high-barrier solar cell backboard |
| CN210073883U (en) * | 2018-12-24 | 2020-02-14 | 汉能移动能源控股集团有限公司 | Battery backboard |
-
2021
- 2021-07-01 CN CN202110746089.6A patent/CN113471317A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010177384A (en) * | 2009-01-28 | 2010-08-12 | Techno Polymer Co Ltd | Backsheet for solar cell |
| CN103597608A (en) * | 2011-07-13 | 2014-02-19 | 东洋铝株式会社 | Solar cell backside protective sheet having reflectivity |
| CN106129159A (en) * | 2016-07-26 | 2016-11-16 | 无锡中洁能源技术有限公司 | The solar cell backboard that a kind of reflecting properties is good |
| CN207303123U (en) * | 2017-11-08 | 2018-05-01 | 苏州福斯特光伏材料有限公司 | A kind of high-barrier solar cell backboard |
| CN210073883U (en) * | 2018-12-24 | 2020-02-14 | 汉能移动能源控股集团有限公司 | Battery backboard |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211001 |