CN204680679U - A kind of solar module - Google Patents
A kind of solar module Download PDFInfo
- Publication number
- CN204680679U CN204680679U CN201520449552.0U CN201520449552U CN204680679U CN 204680679 U CN204680679 U CN 204680679U CN 201520449552 U CN201520449552 U CN 201520449552U CN 204680679 U CN204680679 U CN 204680679U
- Authority
- CN
- China
- Prior art keywords
- encapsulated layer
- solar cell
- solar module
- conductive tape
- graphene
- 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.)
- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 17
- 229910021389 graphene Inorganic materials 0.000 abstract description 17
- 238000003466 welding Methods 0.000 abstract description 12
- 239000011521 glass Substances 0.000 abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000013467 fragmentation Methods 0.000 abstract description 4
- 238000006062 fragmentation reaction Methods 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- 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
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of solar module, comprise top layer photovoltaic glass, the first encapsulated layer, solar cell string, the second encapsulated layer and photovoltaic back from top to bottom successively; Described solar cell string comprises conductive tape; Gum is stacked forms by graphene conductive film and conduction for described conductive tape.The utility model uses the conductive tape of graphene-containing to instead of traditional copper base photovoltaic welding belt, avoid cell piece warpage that existing welding causes because of high-temperature soldering and the fragmentation caused, the hidden problem such as to split, simultaneously, because the resistivity of Graphene is low, the series resistance of assembly can be reduced, improve the photoelectric conversion efficiency of assembly.
Description
Technical field
The utility model relates to area of solar cell, is specifically related to a kind of solar module.
Background technology
Solar power generation is a kind of clean green regenerative energy sources, and under the background day by day exhausted at traditional chemical energy such as coal, oil, natural gases, environmental pollution is more and more strong, solar power generation more and more receives the concern of people.Solar module has climbed up the arena of history as a kind of Novel pollution-free, regenerative resource.
Existing solar module comprises top layer photovoltaic glass, the first encapsulated layer, solar cell string, the second encapsulated layer and photovoltaic back from top to bottom successively; Wherein, solar cell string is by series for plural pieces cell piece by welding.In prior art, welding is generally copper base welding.But, because cell piece is different with the thermal conductivity coefficient of welding, thermal stress can be caused after high-temperature soldering to exist, cause cell piece warpage to a certain degree, and then fragmentation occurs in follow-up lamination operation or hiddenly to split, finally affect product quality, increase manufacturing cost; In addition, the resistance of copper base welding is relatively high, causes the series resistance of finished product assembly to increase, affects the photoelectric conversion efficiency of assembly.
Summary of the invention
The purpose of this utility model is to provide a kind of solar module.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of solar module, comprises top layer photovoltaic glass, the first encapsulated layer, solar cell string, the second encapsulated layer and photovoltaic back from top to bottom successively; Described solar cell string comprises solar cell and conductive tape, and solar cell is connected in series by conductive tape.
Gum is stacked forms by graphene conductive film and conduction for described conductive tape.
Above, described graphene conductive film is prior art.Graphene is a kind of individual layer laminated structure be made up of carbon atom, only has a carbon atom thickness, almost completely transparent new material; Its maximum feature is exactly 1/300 of the electronic movement velocity arrival light velocity, and electron mobility is higher than crystalline silicon, and its resistivity is lower than silver.Therefore, grapheme material is introduced photovoltaic module manufacturing by the utility model, has larger application prospect.Concrete, the utility model uses the conductive tape of graphene-containing to replace traditional copper base photovoltaic welding belt, avoid the cell piece warpage caused because of high-temperature soldering and the fragmentation caused, the hidden problem such as to split, simultaneously, because the resistivity of Graphene is low, the series resistance of assembly can be reduced, improve the photoelectric conversion efficiency of assembly.
Preferably, the thickness of described conductive tape is 0.15 ~ 0.2 mm.
In technique scheme, described solar cell is three main grid batteries.
Or described solar cell is four main grid batteries.
In technique scheme, the thickness of described top layer photovoltaic glass is 3.2 mm or 4.0 mm, and its light transmittance is more than or equal to 94%.
Preferably, described first encapsulated layer is identical with the material of the second encapsulated layer.Preferably, described first encapsulated layer and the second encapsulated layer are EVA encapsulated layer.Such as, the first encapsulated layer is high transmission rate EVA or common EVA, and the second encapsulated layer is common EVA encapsulated layer.
In technique scheme, also comprise aluminium frame and terminal box.
The preparation method of above-mentioned solar module can comprise the following steps:
(1) top layer photovoltaic glass is placed on operating desk, clears up its surface;
(2) the first encapsulated layer is placed on the photovoltaic glass of top layer, places between two parties;
(3) by the main delete line at the front being bonded at cell piece neat respectively for graphene conductive adhesive tape, the back side, be then put on pre-heating station, under 40-60 DEG C of condition, carry out applying flat process to the conductive tape be bonded on the main delete line of cell piece;
With graphene conductive adhesive tape, cell piece is connected, after series connection, carry out preliminary treatment on hot plate, obtain solar cell string;
First encapsulated layer is placed solar cell string, both positive and negative polarity cross arrangement, with busbar welding series connection;
(4) in the battery strings of having welded, place the second encapsulating material, place between two parties;
(5) on the second encapsulated layer, top layer photovoltaic back is placed; Obtain laminates;
(6) the above-mentioned laminates placed is placed in laminating apparatus, in certain temperature, pressure, the sealing of vacuum condition laminated, obtains laminate;
(7) laminate aluminium frame is assembled;
(8) photovoltaic junction box is installed on assembly;
Solar module can be obtained.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model uses the conductive tape of graphene-containing to instead of traditional copper base photovoltaic welding belt, avoid cell piece warpage that existing copper base welding causes because of high-temperature soldering and the fragmentation caused, the hidden problem such as to split, simultaneously, because the resistivity of Graphene is low, the series resistance of assembly can be reduced, improve the photoelectric conversion efficiency of assembly;
2. structure of the present utility model is simple, and be easy to preparation, cost is lower, is suitable for applying.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of conductive tape in the utility model embodiment one.
Wherein: 1, top layer photovoltaic glass; 2, the first encapsulated layer; 3, solar cell string; 4, the second encapsulated layer; 5, photovoltaic back; 6, graphene conductive film; 7, conduction gum.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one:
Shown in Fig. 1 ~ 2, a kind of solar module, comprises top layer photovoltaic glass 1, first encapsulated layer 2, solar cell string 3, second encapsulated layer 4 and photovoltaic back 5 from top to bottom successively;
The thickness of described top layer photovoltaic glass is 3.2 mm, and its light transmittance equals 94%;
Described solar cell string comprises conductive tape; Gum 7 is stacked forms by graphene conductive film 6 and conduction for described conductive tape.Shown in Figure 2.The thickness of conductive tape is 0.15 mm, and width is 1.6 mm.
The thickness of described photovoltaic back 5 is 300 microns, and air face is fluorine-containing.
Described solar cell string is a string 12 series connection, and cell piece is three main gate line; Connect successively with graphene conductive adhesive tape, between sheet and sheet, spacing is 3 mm, between string and string spacing 3 mm, and totally 6 strings, connect with busbar between string and string.
Described first encapsulated layer and the second encapsulated layer are respectively high EVA and common EVA encapsulated layer thoroughly.Its thickness is 0.5mm.
Also comprise aluminium frame and terminal box.
The preparation method of above-mentioned solar module can comprise the following steps:
(1) top layer photovoltaic glass is placed on operating desk, clears up its surface;
(2) the first encapsulated layer is placed on the photovoltaic glass of top layer, places between two parties;
(3) by the main delete line at the front being bonded at cell piece neat respectively for graphene conductive adhesive tape, the back side, be then put on pre-heating station, under 40-60 DEG C of condition, carry out applying flat process to the conductive tape be bonded on the main delete line of cell piece;
With graphene conductive adhesive tape, cell piece is connected, after series connection, carry out preliminary treatment on hot plate, obtain solar cell string;
First encapsulated layer is placed solar cell string, both positive and negative polarity cross arrangement, with busbar welding series connection;
(4) in the battery strings of having welded, place the second encapsulating material, place between two parties;
(5) on the second encapsulated layer, top layer photovoltaic back is placed; Obtain laminates;
(6) the above-mentioned laminates placed is placed in laminating apparatus, 140-148 DEG C, under vacuum condition, lamination 12min; Obtain laminate;
(7) laminate aluminium frame is assembled;
(8) photovoltaic junction box is installed on assembly;
Solar module can be obtained.
Claims (7)
1. a solar module, comprises top layer photovoltaic glass (1), the first encapsulated layer (2), solar cell string (3), the second encapsulated layer (4) and photovoltaic back (5) from top to bottom successively; Described solar cell string comprises solar cell and conductive tape, and solar cell is connected in series by conductive tape; It is characterized in that:
Described conductive tape to be stackedly made up of graphene conductive film (6) and conduction gum (7).
2. solar module according to claim 1, is characterized in that: the thickness of described conductive tape is 0.15 ~ 0.2 mm.
3. solar module according to claim 1, is characterized in that: described solar cell is three main grid batteries.
4. solar module according to claim 1, is characterized in that: described solar cell is four main grid batteries.
5. solar module according to claim 1, is characterized in that: the thickness of described top layer photovoltaic glass is 3.2 mm or 4.0 mm, and its light transmittance is more than or equal to 94%.
6. solar module according to claim 1, is characterized in that: described first encapsulated layer and the second encapsulated layer are EVA encapsulated layer.
7. solar module according to claim 1, is characterized in that: also comprise aluminium frame and terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449552.0U CN204680679U (en) | 2015-06-26 | 2015-06-26 | A kind of solar module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449552.0U CN204680679U (en) | 2015-06-26 | 2015-06-26 | A kind of solar module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680679U true CN204680679U (en) | 2015-09-30 |
Family
ID=54180349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520449552.0U Expired - Fee Related CN204680679U (en) | 2015-06-26 | 2015-06-26 | A kind of solar module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204680679U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229366A (en) * | 2016-08-24 | 2016-12-14 | 苏州中来光伏新材股份有限公司 | A kind of novel solar battery backboard and assembly thereof and preparation method |
| WO2018076525A1 (en) * | 2016-10-31 | 2018-05-03 | 上迈（香港）有限公司 | Laminated structure of photovoltaic assembly, preparation method therefor, and photovoltaic assembly |
| CN109004050A (en) * | 2017-06-07 | 2018-12-14 | 江苏赛拉弗光伏系统有限公司 | A kind of no hot spot imbrication photovoltaic module |
| CN110581192A (en) * | 2018-06-08 | 2019-12-17 | 君泰创新（北京）科技有限公司 | Photovoltaic cell assembly and photovoltaic wall |
| CN113725317A (en) * | 2021-07-22 | 2021-11-30 | 湖北美格新能源科技有限公司 | Preparation method of solar module |
| US20230178671A1 (en) * | 2017-06-08 | 2023-06-08 | Euro Com Project Nowinski, Zamorczynska Sp. J. | Photovoltaic module |
| CN116903262A (en) * | 2023-08-08 | 2023-10-20 | 南通强生光电科技有限公司 | Graphene grid glass and preparation method thereof |
-
2015
- 2015-06-26 CN CN201520449552.0U patent/CN204680679U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229366A (en) * | 2016-08-24 | 2016-12-14 | 苏州中来光伏新材股份有限公司 | A kind of novel solar battery backboard and assembly thereof and preparation method |
| WO2018076525A1 (en) * | 2016-10-31 | 2018-05-03 | 上迈（香港）有限公司 | Laminated structure of photovoltaic assembly, preparation method therefor, and photovoltaic assembly |
| CN109004050A (en) * | 2017-06-07 | 2018-12-14 | 江苏赛拉弗光伏系统有限公司 | A kind of no hot spot imbrication photovoltaic module |
| US20230178671A1 (en) * | 2017-06-08 | 2023-06-08 | Euro Com Project Nowinski, Zamorczynska Sp. J. | Photovoltaic module |
| CN110581192A (en) * | 2018-06-08 | 2019-12-17 | 君泰创新（北京）科技有限公司 | Photovoltaic cell assembly and photovoltaic wall |
| CN113725317A (en) * | 2021-07-22 | 2021-11-30 | 湖北美格新能源科技有限公司 | Preparation method of solar module |
| CN116903262A (en) * | 2023-08-08 | 2023-10-20 | 南通强生光电科技有限公司 | Graphene grid glass and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212000 Zhenjiang, Jurong, Jiangsu, Guo Zhuang Town Airport New District 6 Patentee after: JURONG XIEXIN INTEGRATED TECHNOLOGY Co.,Ltd. Address before: 212000 Zhenjiang, Jurong, Jiangsu, Guo Zhuang Town Airport New District 6 Patentee before: JIANGSU DONGSHENG PHOTOVOLTAIC TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 |