CN101071830A - Method for preparing dye sensitized solar cel electrode - Google Patents
Method for preparing dye sensitized solar cel electrode Download PDFInfo
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- CN101071830A CN101071830A CNA2007100227585A CN200710022758A CN101071830A CN 101071830 A CN101071830 A CN 101071830A CN A2007100227585 A CNA2007100227585 A CN A2007100227585A CN 200710022758 A CN200710022758 A CN 200710022758A CN 101071830 A CN101071830 A CN 101071830A
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- sensitized solar
- dye
- preparation
- dye sensitized
- electrode
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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
- Y02E10/542—Dye sensitized solar cells
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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
- Y02E10/549—Organic PV 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention is a method for preparing the electrode of a dye sensitized solar battery, carving one or multiple grooves on the substrate of the dye sensitized solar battery, then using screen printing, squeezing or injection processes to coat mixed metal pulp or conductive pulp of metal powder and high molecular adhesive, conductive graphite and other conductive materials in the grooves, and making them contact with the conductive basal material on the substrate, curing and making the electrode; after the electrode is cured, its outstanding height from the conductive basal material will be reduced largely and the resistance of the conductive basal material is also reduced largely, and the battery thickness can be largely reduced and the photoelectric converting efficiency is improved.
Description
Technical field
The present invention relates to the solar cell field, specifically is a kind of preparation method of dye sensitized solar cel electrode.
Background technology
Institute of Technology laboratories such as Lausanne, SUI height in 1991 obtain extensive concern and attention in the world immediately in the achievement in research that Nature (O ' Regan B., Graetzel.M, 1991,353,737) goes up a kind of brand-new dye-sensitized solar cells of report.
Dye-sensitized solar cells mainly is made up of following components: light anode, nano porous semiconductor film, dye photoactivation agent, electrolyte and counterelectrode.Because the inside of dye sensitized solar cel electrode is the electrolyte with high oxidation one reducing power, and is strong especially to common metal corrosivity, if do not adopt protection or processing, electrode can be corroded in moment.This also is the basic reasons that such battery did not have breakthrough in the past in 10 years.At present the high conversion efficiency of this class small size battery (less than 1 square centimeter) has reached about 10.8%, but does not improve significantly in the application of large tracts of land (greater than 1 square centimeter) battery, has seriously hindered the extensive use of this solar cell.
Summary of the invention
The purpose of this invention is to provide and be suitable for the preparation method of large-scale production preparation than the dye sensitized solar cel electrode of large tracts of land (greater than 1 square centimeter).
Technical scheme of the present invention is as follows:
A kind of preparation method of dye sensitized solar cel electrode, it is characterized in that in the substrate of dye-sensitized solar cells, depicting one or more groove, utilize silk screen printing, extruding or method for implanting hybrid metal slurry or electrocondution slurry then with metal dust and polymer binder, electric conducting materials such as electrically conductive graphite, be coated in the groove, and contact with suprabasil conductive base, and solidify, make electrode.
On electrode or the electrode both sides cover insulating material such as one deck polymer binder or cryogenic glass powder, ceramic membrane.
Described polymer binder is meant: epoxy resin, phenolic resins, polyurethane, polyacrylate resinoid, various organic silica gel, polyethylene kind, polypropylene type, or olefin polymer thin-film material such as polymethacrylic acid.
Described curing is to be coated in material in the groove through sintering curing between 50 to 700 ℃.
Described hybrid metal slurry is meant and is selected from gold, silver, copper, nickel, tungsten, aluminium, manganese, platinum or titanium, or wherein any two kinds and above metal dust and the mixed material of polymer binder.
Described hybrid metal slurry is meant the mixed slurry of metal dust and glass dust, terpinol.
Described groove is portrayed by the following method: utilize laser engraving, mechanical grinding, mechanical lapping, sandblast or chemical etching method to depict the groove that the degree of depth is the above degree of depth of 10 nanometers in the substrate of dye-sensitized solar cells, width is more than 10 nanometers.
Described groove is 0.1um～2mm deeply, width 0.1mm～30mm.
Chemical etching method is meant that employing hydrofluoric acid or NaOH or potassium hydroxide erode away groove in the substrate at dye-sensitized solar cells, or passes through mechanical grinding, or passes through and utilize abrasive pastes slightly to grind, then cleaning-drying.
Solar cell comprises following three layers: ground floor is coated with the method deposition one deck wide band gap semiconducter porous membrane that utilizes silk screen printing or other film forming on the glass substrate of transparent conductive film, this semiconductor layer is used to adsorb photosensitizer, the second layer is a dielectric substrate, the 3rd layer for being coated with the transparent conducting glass of catalyst, perhaps metal electrode.On above-mentioned ground floor or the 3rd layer, ground floor and the 3rd layer are pasted together.
Described hybrid metal slurry is one-component or two component and many components electrode slurry such as silver paste, copper slurry, aluminum slurry, nail slurry, platinum slurry, silver/palladium slurry, silver/aluminum slurry.
Utilize the method and technology that electrode is protected fully, significantly reduce the internal resistance of conductive bases such as electro-conductive glass simultaneously, reduced the production cost of large-area solar cell effectively, (efficient improves more than 5% to have improved the performance of battery effectively; Fill factor, curve factor improves more than 5%) stable performance of material, the performance of battery is greatly improved, thereby has further guaranteed the stable, reliable of battery performance, reaches practical and long-life purpose.Technology is simple, has solved the bottleneck problem that always perplexs producing large-area low price long-life dye-sensitized solar cells simultaneously.
Description of drawings
Fig. 1 is the schematic section of dye-sensitized solar cells of the present invention and electrode.
Embodiment
Referring to Fig. 1.
The 101-groove, 102-conductive substrates, 103-conducting film, 104-porous semiconductor film; 105-dyestuff adsorption layer, 106-electrode protecting layer encapsulant, 107 dielectric substrates, the electrode in the 108-groove; 109-is to the catalyst on the electrode, 110-semi-conducting electrode, 120-counterelectrode.
With reference to figure 1, use the dye-sensitized solar cells of photoelectric conversion electrode to have the structure of similar sandwich, wherein semi-conducting electrode 110 and counterelectrode 120 face with each other.Two electrodes can be parallel to each other basically.The oxide semiconductor layer 104 that wherein is adsorbed with dyestuff is between semi-conducting electrode 110 and counterelectrode 120.
Semi-conducting electrode 110 comprises conductive substrates 102, and conductive substrates 102 can be made by transparent material, for example glass, polyesters, polycarbonate-based, polyamide-based etc.The groove 101 that in conductive substrates 102, prepares by delineation, electrode 108 in the groove 101, electrode 108 can accurately be applied or be printed in the groove by materials such as slurry single or metal more than 2 kinds or 2 kinds or electrically conductive graphites, solidify, and electrode 108 well contacts with conducting film 103.The nesa coating 103 that forms on the surface of conductive substrates 102 can be made by transparent conductive material, for example tin indium oxide (ITO), or fluorine oxide tin (TCO) etc.Porous semiconductor film 104 on the conducting film 103, and absorbing dye layer 105 on the porous semiconductor film 104, dyestuff adsorption layer 105 can be organic, the dyestuff of mineral-type or mixed dye.
Conductive substrates 102 to electrode 120 also can be materials such as sheet metal, among the figure to the catalyst on the electrode 109, as Pt, C etc. are coated on the conducting film 103 to electrode, and solidify.
According to the dye-sensitized solar cells of describing in the foregoing description, electrode is arranged on as on the transparency electrode of oxide semiconductor electrode and on the electrode.Therefore, the transmission performance of electronics be can improve, thereby the fill factor, curve factor of large-area dye-sensitized solar cell and module, photoelectric conversion efficiency improved.
Compare with conventional solar cell, the dye-sensitized solar cells with electrode of the present invention increases by about 35% photoelectricity Conversion efficiency. In addition, electrode is covered by in the insulator, has prevented the short circuit that takes place between the electrode and electrode quilt Electrolyte corrosion.
Claims (9)
1, a kind of preparation method of dye sensitized solar cel electrode, it is characterized in that in the substrate of dye-sensitized solar cells, depicting one or more groove, utilize silk screen printing, extruding or method for implanting hybrid metal slurry or electrocondution slurry then with metal dust and polymer binder, electric conducting materials such as electrically conductive graphite, be coated in the groove, and contact with suprabasil conductive base, and solidify, make electrode.
2, the preparation method of dye sensitized solar cel electrode according to claim 1 is characterized in that on electrode or the electrode both sides cover insulating material such as one deck polymer binder or cryogenic glass powder, ceramic membrane.
3, the preparation method of dye sensitized solar cel electrode according to claim 1, it is characterized in that described polymer binder is meant: epoxy resin, phenolic resins, polyurethane, polyacrylate resinoid, various organic silica gel, polyethylene kind, polypropylene type, or olefin polymer thin-film material such as polymethacrylic acid.
4, the preparation method of dye sensitized solar cel electrode according to claim 1 is characterized in that described curing is to be coated in material in the groove through sintering curing between 50 to 700 ℃.
5, the preparation method of dye sensitized solar cel electrode according to claim 1, it is characterized in that described hybrid metal slurry is meant is selected from gold, silver, copper, nickel, tungsten, aluminium, manganese, platinum or titanium, or wherein any two kinds and above metal dust and the mixed material of polymer binder.
6, the preparation method of dye sensitized solar cel electrode according to claim 1 is characterized in that described hybrid metal slurry is meant the mixed slurry of metal dust and glass dust, terpinol.
7, the preparation method of dye sensitized solar cel electrode according to claim 1, it is characterized in that described groove portrays by the following method: utilize laser engraving, mechanical grinding, mechanical lapping, sandblast or chemical etching method to depict the groove that the degree of depth is the above degree of depth of 10 nanometers in the substrate of dye-sensitized solar cells, width is more than 10 nanometers.
8, the preparation method of dye sensitized solar cel electrode according to claim 1 is characterized in that described groove is 0.1um～2mm, width 0.1mm～30mm deeply.
9, the preparation method of dye sensitized solar cel electrode according to claim 7, it is characterized in that chemical etching method is meant that employing hydrofluoric acid or NaOH or potassium hydroxide erode away groove in the substrate at dye-sensitized solar cells, or through mechanical grinding, or through utilizing abrasive pastes slightly to grind, cleaning-drying then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100227585A CN101071830A (en) | 2007-05-29 | 2007-05-29 | Method for preparing dye sensitized solar cel electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100227585A CN101071830A (en) | 2007-05-29 | 2007-05-29 | Method for preparing dye sensitized solar cel electrode |
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| Publication Number | Publication Date |
|---|---|
| CN101071830A true CN101071830A (en) | 2007-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100227585A Pending CN101071830A (en) | 2007-05-29 | 2007-05-29 | Method for preparing dye sensitized solar cel electrode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005301A (en) * | 2010-11-29 | 2011-04-06 | 华东师范大学 | Dye sensitized solar cell and preparation method thereof |
| CN103693855A (en) * | 2012-09-27 | 2014-04-02 | 杜邦公司 | Method for etching cutting of glass substrate |
| CN114487030A (en) * | 2022-03-30 | 2022-05-13 | 山东省科学院海洋仪器仪表研究所 | High-precision ocean conductivity measuring electrode manufacturing method based on silk-screen printing |
-
2007
- 2007-05-29 CN CNA2007100227585A patent/CN101071830A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005301A (en) * | 2010-11-29 | 2011-04-06 | 华东师范大学 | Dye sensitized solar cell and preparation method thereof |
| CN103693855A (en) * | 2012-09-27 | 2014-04-02 | 杜邦公司 | Method for etching cutting of glass substrate |
| CN114487030A (en) * | 2022-03-30 | 2022-05-13 | 山东省科学院海洋仪器仪表研究所 | High-precision ocean conductivity measuring electrode manufacturing method based on silk-screen printing |
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