CN206364025U - A kind of CIGS based thin film solar cells - Google Patents
A kind of CIGS based thin film solar cells Download PDFInfo
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- CN206364025U CN206364025U CN201621218843.XU CN201621218843U CN206364025U CN 206364025 U CN206364025 U CN 206364025U CN 201621218843 U CN201621218843 U CN 201621218843U CN 206364025 U CN206364025 U CN 206364025U
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- layer
- drying
- dried pieces
- silk screen
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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 utility model is related to a kind of CIGS based thin film solar cells, mainly including lower encapsulated layer, basalis, dorsum electrode layer, the first drying layer, back contact, CIGS light absorbing layers, Window layer, the second drying layer, upper contact layer, upper encapsulated layer；The dorsum electrode layer is nano metal silk screen layer；First drying layer includes drying sheet and connect band, and the drying sheet is arranged inside the grid of nano metal silk screen layer, bridged between adjacent drying sheet by connect band；The drying sheet thickness is less than the thickness of nano metal silk screen layer；Second drying layer includes the dried pieces that two axial symmetry are set, and the dried pieces are not overlapping, and inside one end insertion Window layer of battery center；The upper contact layer is in T-shape, and middle part is embedded between two dried pieces；The outward flange of first drying layer and the second drying layer is interconnected by connect band.The utility model can solve the problem that the deliquescent problem of thin-film solar cells moisture absorption, can extend its service life.
Description
Technical field
The utility model is related to heliotechnics application field, more particularly to a kind of CIGS based thin film solar cells.
Background technology
Solar film battery has the advantages that small quality, very thin thickness, flexible.Conventional crystal silicon solar cell due to by
Silicon is constituted, and battery major part is frangible, is also easy to produce invisible crack, has one layer of safety glass mostly as protection, causes weight big,
Inconvenient to carry, shock resistance is poor, and cost is high, and efficiency is more or less reduced.
And the major defect of solar film battery is easy deliquescence：The growth mechanism of thin-film material determines thin film solar cell
Easy deliquescence, therefore require that the fluorine material water preventing ability of packaging film solar cell need to be stronger than the material of crystal silicon cell 9 times during encapsulation
Left and right, but the improvement of encapsulated layer can not still avoid micro-moisture to enter inside film completely, after long-term use, opto-electronic conversion effect
Reduced between rate.
Utility model content
In order to solve the above-mentioned technical problem it can keep that thin-film solar cells is internally dry, prevent photoelectricity there is provided one kind
The structure of conversion efficiency reduction, the utility model provides following technical scheme：
A kind of CIGS based thin film solar cells, including lower encapsulated layer, basalis, dorsum electrode layer, the first drying layer, the back of the body connect
Contact layer, CIGS light absorbing layers, Window layer, the second drying layer, upper contact layer, upper encapsulated layer；The dorsum electrode layer is nano metal
Silk screen layer；First drying layer includes drying sheet and connect band, and the drying sheet is arranged at the grid of nano metal silk screen layer
Bridged between inside, adjacent drying sheet by connect band, the nano metal silk screen layer upper surface is provided with accommodating connect band
Groove；The drying sheet thickness is less than the thickness of nano metal silk screen layer；Second drying layer includes two axial symmetry and set
Dried pieces, the dried pieces are overlapping, and inside one end insertion Window layer of battery center；The upper contact layer is in
T-shape, middle part is embedded between two dried pieces, and the lower surface of the upper contact layer connects with the upper surface of dried pieces and Window layer respectively
Connect；The outward flange of first drying layer and the second drying layer is interconnected by connect band.
The setting of two layers of drying layer can largely can while the switching mechanism of solar cell is not influenceed
The deliquescence for enough avoiding moisture from producing CIGS thin film.
Further, the thickness ratio of the thickness of the dried pieces and drying sheet is 8-10:1.Drying sheet is due to embedded nanometer
In woven wire, therefore its thickness requirement is less than nano metal silk screen, and dried pieces are directly to be connected with the upper surface of Window layer,
Therefore its thickness is set to for the consideration for preparing cost and drying effect thicker than drying sheet.
Further, the length inside the dried pieces insertion Window layer accounts for the 1/2-1/3 of window layer thickness.
The beneficial effects of the utility model are：On the premise of thin-film solar cells normal work mechanism is ensured,
The both sides of CIGS base light absorbing layers are respectively provided with drying structure, can substantially reduce the humidity inside thin-film solar cells, prevent
Influence of the film deliquescence to photoelectric transformation efficiency.
Brief description of the drawings
Fig. 1, primary structure schematic diagram of the present utility model.
In figure：1st, lower encapsulated layer, 2, basalis, 3, dorsum electrode layer, 41, drying sheet, 42, connect band, 5, back contact, 6,
CIGS light absorbing layers, 7, Window layer, 81, dried pieces, 9, upper contact layer, 10, upper encapsulated layer.
Embodiment
A kind of CIGS based thin film solar cells as shown in Figure 1, including lower encapsulated layer 1, basalis 2, dorsum electrode layer 3,
First drying layer, back contact 5, CIGS light absorbing layers 6, Window layer 7, the second drying layer, upper contact layer 9, upper encapsulated layer 10；Institute
Dorsum electrode layer 3 is stated for nano metal silk screen layer；First drying layer includes drying sheet 41 and connect band 42, the drying sheet 41
Inside the grid for being arranged at nano metal silk screen layer, bridged between adjacent drying sheet 41 by connect band 42, the nano metal
Silk screen layer upper surface is provided with the groove of accommodating connect band 42；The thickness of drying sheet 41 is less than the thickness of nano metal silk screen layer
Degree；Second drying layer includes the dried pieces 81 that two axial symmetry are set, and the dried pieces 81 are not overlapping, and in battery
Inside one end insertion Window layer 7 of the heart；The upper contact layer 9 is in T-shape, and middle part is embedded between two dried pieces 81, it is described on connect
Upper surface of the lower surface of contact layer 9 respectively with dried pieces 81 and Window layer 7 is connected；First drying layer and the second drying layer
Outward flange is interconnected by connect band 42.Drying sheet 41 described in the present embodiment, dried pieces 81 and connect band 42 use nanometer
Macromolecule water absorbent material is made.
The setting of two layers of drying layer can largely can while the switching mechanism of solar cell is not influenceed
The deliquescence for enough avoiding moisture from producing CIGS thin film.
The thickness of the dried pieces 81 is 8 with the thickness ratio of drying sheet 41:1.Drying sheet 41 is due to embedded nano metal silk
In net, therefore its thickness requirement is less than nano metal silk screen, and dried pieces 81 are connected for the upper surface directly with Window layer 7, because
Its thickness is set to thicker than drying sheet 41 by this for the consideration for preparing cost and drying effect.
Length inside the insertion of dried pieces 81 Window layer 7 accounts for the 1/2 of the thickness of Window layer 7.
Using above-mentioned foundation the utility model desirable embodiment as enlightenment, pass through above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this utility model technological thought completely.This practicality
New technical scope is not limited to the content on specification, it is necessary to determine that its is technical according to right
Scope.
Claims (3)
1. a kind of CIGS based thin film solar cells, it is characterised in that：Including lower encapsulated layer, basalis, dorsum electrode layer, first dry
Dry layer, back contact, CIGS light absorbing layers, Window layer, the second drying layer, upper contact layer, upper encapsulated layer；The dorsum electrode layer is
Nano metal silk screen layer；First drying layer includes drying sheet and connect band, and the drying sheet is arranged at nano metal silk screen
Inside the grid of layer, bridged between adjacent drying sheet by connect band, the nano metal silk screen layer upper surface is provided with accommodating
The groove of connect band；The drying sheet thickness is less than the thickness of nano metal silk screen layer；Second drying layer includes two axles
Symmetrically arranged dried pieces, the dried pieces are not overlapping, and inside one end insertion Window layer of battery center；Connect on described
Contact layer is in T-shape, and middle part is embedded between two dried pieces, and the lower surface of the upper contact layer is upper with dried pieces and Window layer respectively
Surface is connected；The outward flange of first drying layer and the second drying layer is interconnected by connect band.
2. a kind of CIGS based thin film solar cells as claimed in claim 1, it is characterised in that：The thickness of the dried pieces with
The thickness ratio of drying sheet is 8-10:1.
3. a kind of CIGS based thin film solar cells as claimed in claim 1, it is characterised in that：The dried pieces are embedded in window
Length inside layer accounts for the 1/2-1/3 of window layer thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218843.XU CN206364025U (en) | 2016-11-10 | 2016-11-10 | A kind of CIGS based thin film solar cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218843.XU CN206364025U (en) | 2016-11-10 | 2016-11-10 | A kind of CIGS based thin film solar cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364025U true CN206364025U (en) | 2017-07-28 |
Family
ID=59373467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621218843.XU Expired - Fee Related CN206364025U (en) | 2016-11-10 | 2016-11-10 | A kind of CIGS based thin film solar cells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370513A (en) * | 2018-12-25 | 2020-07-03 | 汉能移动能源控股集团有限公司 | Packaging structure and packaging method of solar cell |
-
2016
- 2016-11-10 CN CN201621218843.XU patent/CN206364025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370513A (en) * | 2018-12-25 | 2020-07-03 | 汉能移动能源控股集团有限公司 | Packaging structure and packaging method of solar cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20211110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |