CN111863992A - Solar cell module - Google Patents
Solar cell module Download PDFInfo
- Publication number
- CN111863992A CN111863992A CN201910330330.XA CN201910330330A CN111863992A CN 111863992 A CN111863992 A CN 111863992A CN 201910330330 A CN201910330330 A CN 201910330330A CN 111863992 A CN111863992 A CN 111863992A
- Authority
- CN
- China
- Prior art keywords
- solar cell
- panel
- cell module
- substrate
- sealing member
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000011521 glass Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 7
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000012812 sealant material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 2
- 239000008393 encapsulating agent Substances 0.000 claims 1
- 239000011229 interlayer Substances 0.000 claims 1
- 239000002274 desiccant Substances 0.000 abstract description 9
- 238000010248 power generation Methods 0.000 description 9
- KTSFMFGEAAANTF-UHFFFAOYSA-N [Cu].[Se].[Se].[In] Chemical compound [Cu].[Se].[Se].[In] KTSFMFGEAAANTF-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- WILFBXOGIULNAF-UHFFFAOYSA-N copper sulfanylidenetin zinc Chemical compound [Sn]=S.[Zn].[Cu] WILFBXOGIULNAF-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
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
- H01L31/04—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
-
- 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
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar cell module which comprises a substrate, a solar cell, a panel and a sealing element, wherein the substrate and the panel are oppositely arranged, the solar cell is clamped between the substrate and the panel, the sealing element is arranged between the substrate and the panel, the sealing element, the substrate and the panel form a closed space, the solar cell is positioned in the closed space, the part of the panel, which is opposite to the sealing element, is provided with a groove, the sealing element completely covers the groove, and a drying agent is arranged in the groove.
Description
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a solar cell module.
Background
With the increasing trend of global energy demand, solar energy is seen as one of the most promising, available, renewable energy sources. With the global requirement for environmental protection becoming higher and higher, the power generation mode gradually shifts from traditional thermal power generation and the like to clean energy power generation, and solar power generation is not affected by areas and is widely adopted.
The solar cell is generally packaged by double glass, and the edge of the solar cell is sealed by a sealant. The edge sealant is usually sealed by butyl rubber or silica gel, and the organic glue has certain permeability to water vapor and cannot completely block the water vapor from entering. The water vapor entering the solar cell can cause potential induction effect, thereby causing the power generation efficiency of the solar cell to be reduced. Meanwhile, the water vapor can corrode the solar cell and the internal circuit due to the water vapor, so that the power generation efficiency and the service life of the solar cell are influenced.
Disclosure of Invention
In order to overcome the above problems in the related art, embodiments of the present invention provide a solar cell module. The technical scheme is as follows:
the solar cell module according to the embodiment of the invention comprises:
the solar cell panel comprises a substrate, solar cell pieces, a panel and a sealing piece, wherein the substrate and the panel are arranged oppositely, the solar cell pieces are clamped between the substrate and the panel, the sealing piece is arranged between the substrate and the panel, the sealing piece forms a closed space with the substrate, the solar cell pieces are located in the closed space, the panel and the part, opposite to the sealing piece, of the panel are provided with a groove, the sealing piece completely covers the groove, and a drying agent is arranged in the groove.
Optionally, the panel is a light transmissive panel, preferably a glass panel.
Optionally, the substrate is a light-transmitting substrate, and the substrate is preferably a glass substrate.
Optionally, the groove is a square groove, a circular groove or a polygonal groove.
Optionally, the solar cell is a thin film solar cell.
Optionally, the sealing layer is further included, and the sealing layer fills the closed space.
Optionally, the material of the sealing layer is one of polyvinyl butyral, ethylene-vinyl acetate copolymer and ionic intermediate film
Optionally, the sealing element is a sealant, and the sealant material is an isobutylene polymer.
According to the solar cell module provided by the embodiment of the invention, the substrate and the panel are oppositely arranged by arranging the substrate, the solar cell, the panel and the sealing element, the solar cell is clamped between the substrate and the panel, the sealing element is arranged between the substrate and the panel, the solar cell is positioned in a closed space formed by the sealing element, the substrate and the panel, the part of the panel opposite to the sealing element is provided with the groove, the sealing element completely covers the groove, and the drying agent is arranged in the groove. When sealing and waterproofing are carried out on the solar cell module through the sealing element, the sealing and waterproofing effect of the solar cell module can be further improved through the drying agent arranged in the groove and the groove, and water vapor is prevented from entering, so that the reliability and the service life of the solar cell module are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a solar cell module according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The technical scheme provided by the embodiment of the invention relates to a solar cell module 100, as shown in fig. 1, the solar cell module 100 comprises a substrate 10, a solar cell 20, a panel 30 and a sealing element 40, wherein the substrate 10 and the panel 30 are oppositely arranged, the solar cell 20 is clamped between the substrate 10 and the panel 30, the sealing element 40 is arranged between the substrate 10 and the panel 30, the sealing element 40, the substrate 10 and the panel 30 form a closed space, the solar cell 20 is positioned in the closed space, a groove 31 is formed in the part of the panel 30 opposite to the sealing element 40, the sealing element 40 completely covers the groove 31, and a drying agent 32 is arranged in the groove 31.
In particular, the panel 30 may be a light-transmitting panel, preferably a glass panel. The glass panel has good light transmission, and the glass panel enables sunlight to sufficiently penetrate through the glass panel to be absorbed by the solar cell 20 and converted into electric energy. Meanwhile, the glass panel may be tempered glass, which has a certain strength, and may improve the strength of the solar cell module 100.
The substrate 10 may be a light-transmitting panel, preferably a glass substrate. The glass substrate has good light transmission, and meanwhile, the glass substrate can be toughened glass and has certain strength, so that the strength of the solar cell module 100 can be improved.
In some embodiments, the solar cell module 100 further comprises a sealing layer 50, the sealing layer 50 filling the closed space. The sealing layer 50 fills the closed space to improve the sealing and waterproof properties of the solar cell module 100. The groove 31 is a square groove, a circular groove or a polygonal groove. The shape of the groove 31 is not limited, and the desiccant 32 is disposed inside the groove, so that the desiccant 32 can absorb moisture, and the waterproof sealing effect of the solar cell module 100 is further improved.
The number of the solar cells 20 can be multiple, a plurality of solar cells 20 with the suitable shapes and sizes are selected according to the actual application requirements, the plurality of solar cells 20 are spliced, and the splicing modes of the solar cells 20 can be in series connection, parallel connection or combination of the series connection and the parallel connection. By splicing the solar cells 32 with different shapes, sizes and numbers, different powers can be output, thereby meeting diversified application requirements.
In one embodiment, the solar cell 20 is a Copper Indium Gallium Selenide (CIGS) thin film solar cell, the power generation layer of the solar cell is made of copper indium gallium selenide, and the Copper Indium Gallium Selenide (CIGS) solar cell has the advantages of strong light absorption capability, good power generation stability and high conversion efficiency. Of course, in other embodiments, the power generation layer material may be selected from any one of copper indium selenide, copper indium gallium selenide sulfide, copper zinc tin sulfide, and cadmium telluride.
The material of the sealing layer 50 is one of polyvinyl butyral, ethylene-vinyl acetate copolymer, and an ionic intermediate film. The material can be well combined with the substrate 10, the solar cell 20 and the panel 30, so that the connection strength of the solar cell module 100 is increased, and material vacancy and bubbles are avoided. The polyvinyl butyral, the ethylene-vinyl acetate copolymer and the ionic intermediate film are used as filling materials, have high light transmittance and certain ductility, can completely fill gaps among the substrate 10, the solar cell piece 20 and the panel 30, and improve the strength of the solar cell module 100 while ensuring that the solar cell module 100 absorbs sunlight. Of course, other filler materials may be used.
The sealing element 40 is a sealant made of isobutylene polymer. Such as butyl sealant. The butyl sealant can keep the plasticity and the sealing performance in a wider temperature range, and the surface does not crack or harden. It has good adhesion to glass, aluminum alloy, galvanized steel, stainless steel and other materials. Due to its extremely low moisture vapor transmission rate, it can form an excellent moisture resistant system, thereby improving the reliability and lifespan of the solar cell module 100.
According to the solar cell module 100 of the embodiment of the invention, the substrate 10 and the panel 30 are oppositely arranged by arranging the substrate 10, the solar cell 20, the panel 30 and the sealing member 40, the solar cell 20 is clamped between the substrate 10 and the panel 30, the sealing member 40 is arranged between the substrate 10 and the panel 30, the solar cell 20 is positioned in the sealed space formed by the sealing member 40, the substrate 10 and the panel 30, the part of the panel 30 opposite to the sealing member 40 is provided with the groove 31, the sealing member 40 completely covers the groove 31, and the drying agent 32 is arranged in the groove 31. When the solar cell module 100 is sealed and waterproof through the sealing member 40, the sealing and waterproof effect of the solar cell module 100 can be further improved by arranging the groove 31 and the drying agent 32 inside the groove 31, and water vapor is prevented from entering, so that the reliability and the service life of the solar cell module 100 are improved.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (8)
1. The utility model provides a solar cell module, its characterized in that, includes base plate, solar wafer, panel and sealing member, the base plate with the panel sets up relatively, the solar wafer presss from both sides locate the base plate with between the panel, the sealing member sets up the base plate with between the panel, the sealing member the base plate with the panel forms airtight space, the solar wafer is located airtight space, the panel with the part that the sealing member is relative has the recess, the sealing member covers completely the recess, be equipped with the drier in the recess.
2. The solar cell module according to claim 1, wherein the panel is a light transmitting panel, preferably a glass panel.
3. The solar cell module according to claim 1, wherein the substrate is a light-transmissive substrate, preferably a glass substrate.
4. The solar cell module of claim 1 wherein the grooves are square grooves, circular grooves, or polygonal grooves.
5. The solar cell module as claimed in claim 1, wherein the solar cell sheet is a thin film solar cell sheet.
6. The solar cell module of claim 1 further comprising a sealing layer filling the enclosed space.
7. The solar cell module as claimed in claim 6, wherein the material of the sealing layer is one of polyvinyl butyral, ethylene-vinyl acetate copolymer, and ionic interlayer.
8. The solar cell module as claimed in claim 1 wherein the encapsulant is a sealant and the sealant material is an isobutylene based polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330330.XA CN111863992A (en) | 2019-04-23 | 2019-04-23 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330330.XA CN111863992A (en) | 2019-04-23 | 2019-04-23 | Solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111863992A true CN111863992A (en) | 2020-10-30 |
Family
ID=72951996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910330330.XA Pending CN111863992A (en) | 2019-04-23 | 2019-04-23 | Solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111863992A (en) |
-
2019
- 2019-04-23 CN CN201910330330.XA patent/CN111863992A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201030 |