KR20130023929A - Sealing structure of dye-sensitized solar cell - Google Patents
Sealing structure of dye-sensitized solar cell Download PDFInfo
- Publication number
- KR20130023929A KR20130023929A KR1020110087042A KR20110087042A KR20130023929A KR 20130023929 A KR20130023929 A KR 20130023929A KR 1020110087042 A KR1020110087042 A KR 1020110087042A KR 20110087042 A KR20110087042 A KR 20110087042A KR 20130023929 A KR20130023929 A KR 20130023929A
- Authority
- KR
- South Korea
- Prior art keywords
- negative electrode
- substrate
- electrode terminal
- positive electrode
- dye
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 102
- 239000000758 substrate Substances 0.000 claims abstract description 110
- 239000003792 electrolyte Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 13
- 239000002952 polymeric resin Substances 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 73
- 239000004065 semiconductor Substances 0.000 description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 239000011241 protective layer Substances 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000006479 redox reaction Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 229940021013 electrolyte solution Drugs 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- JBOIAZWJIACNJF-UHFFFAOYSA-N 1h-imidazole;hydroiodide Chemical compound [I-].[NH2+]1C=CN=C1 JBOIAZWJIACNJF-UHFFFAOYSA-N 0.000 description 1
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000002998 adhesive polymer Substances 0.000 description 1
- 229940107816 ammonium iodide Drugs 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2068—Panels or arrays of photoelectrochemical cells, e.g. photovoltaic modules based on photoelectrochemical cells
- H01G9/2077—Sealing arrangements, e.g. to prevent the leakage of the electrolyte
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Photovoltaic Devices (AREA)
- Hybrid Cells (AREA)
Abstract
Description
The present invention relates to a sealing structure of a dye-sensitized solar cell, and more particularly, to a sealing structure of a dye-sensitized solar cell that firmly couples a positive electrode substrate and a negative electrode substrate so that an electrolyte does not leak to the outside in a dye-sensitized solar cell.
Dye-Sensitized Solar Cell (DSSC) is a solar cell developed by Michael Gratzel of the Swiss Federal Institute of Technology.It has lower manufacturing cost and energy efficiency compared to the existing silicon solar cell. It is high and can be manufactured to be transparent and bendable cell has the advantage that can be used in various applications.
Dye-sensitized solar cells serve as catalysts for photoelectrodes containing dye molecules for generating electron-hole pairs and semiconductor layers for transferring electrons, electrolytes for supplementing electrons with dye molecules, and redox reactions of electrolyte solutions. Made of a counter electrode coated with a platinum layer. When light is incident on the dye-sensitized solar cell, the dye that absorbs the light enters an excited state to send electrons to the conduction band of the semiconductor layer, and the transferred electrons flow along the electrode to an external circuit to transfer electrical energy. As it transfers electrical energy, it becomes a low energy state and moves to the counter electrode. The dye is supplied with electrons from the electrolyte solution as much as the number of electrons transferred to the semiconductor layer and returned to its original state. The electrolyte used serves to receive electrons from the counter electrode by a redox reaction and transfer them to the dye.
The photoelectrode serving as a negative electrode of a battery includes a semiconductor layer such as titanium dioxide (TiO 2 ), and a dye that absorbs light in the visible region and generates electron-hole pairs is adsorbed on the surface. Electrolyte supplying electrons to dye is I - / I 3 - consists of a reduced species, I - - oxidation as a source of ions LiI, NaI, alkaline ammonium iodide, imidazolium iodide, etc. are used, I 3 - ions to produce an I 2 melt in a solvent. The counter electrode is made of platinum or the like and serves as a catalyst for the ion redox reaction to provide electrons to ions in the electrolyte through a redox reaction on the surface.
Figure 1a shows a planar structure of the Z-type dye-sensitized solar cell module. 1A, a Z-
In the dye-sensitized solar cell or module-type dye-sensitized solar cell composed of unit cells, electrode terminals for connecting to an external junction box are formed on a substrate, and the electrode terminals are sealed to prevent corrosion due to exposure to the electrolyte. A layer is applied to a part of the electrode terminal. A conventional sealing structure for preventing corrosion of an electrode terminal while preventing leakage of an electrolyte will be described with reference to FIGS. 3 to 4.
3 illustrates a sealing structure applied to a conventional dye-sensitized solar cell. Referring to FIG. 3A, in the dye-sensitized
FIG. 4 is a cross-sectional view of a portion A-A 'of FIG. 3 to explain a cross section of a sealing part of a sealing structure applied to a conventional dye-sensitized solar cell. Referring to FIG. 4, the
Prior art regarding the sealing structure of a dye-sensitized solar cell is disclosed in Korea Patent Publication No. 2010-0106837. The prior art comprises the steps of forming a glass frit rim layer on top of the transparent substrate and manufacturing a cathode electrode, forming a glass frit rim layer on top of the transparent substrate and manufacturing an anode electrode; A method of manufacturing a dye-sensitized solar cell including but not limited to forming an adhesive polymer layer on a glass frit edge on both electrodes and then bonding the two electrodes after opposing the anode-based electrode is disclosed. There is no specific configuration for improving the stability.
Accordingly, an object of the present invention is to provide a sealing structure of a dye-sensitized solar cell that can prevent the sealing layer from being separated from the substrate by physical impact by improving the bonding force between the sealing layer of the dye-sensitized solar cell and the substrate. It is.
In order to achieve the above object, the present invention provides a positive electrode substrate having a positive electrode terminal and a negative electrode substrate having a negative electrode terminal, an electrolyte filled between the positive electrode substrate and the negative electrode substrate, and a positive electrode substrate so that the filled electrolyte does not leak out. And a sealing layer which seals the cathode substrate by bonding, and the sealing layer is formed to apply one side of the positive electrode terminal and the negative electrode terminal so that the positive electrode terminal and the negative electrode terminal are not exposed to the electrolyte, and the positive electrode terminal to which the sealing layer is coated. And at one side of the negative electrode terminal provides a sealing structure of the dye-sensitized solar cell, characterized in that formed in the pattern portion is removed from the material forming the terminal.
According to one embodiment of the present invention, a transparent positive electrode and a transparent negative electrode are formed under the positive electrode terminal and the negative electrode terminal, respectively, and the transparent positive electrode and the transparent negative electrode may be removed under the pattern portion.
According to another embodiment of the invention, the positive electrode substrate and the negative electrode substrate is a glass substrate, the sealing layer may be made of glass.
According to another embodiment of the present invention, the positive electrode substrate and the negative electrode substrate is a polymer resin substrate, the sealing layer may be made of a curable polymer resin.
According to another embodiment of the present invention, the positive electrode terminal and the negative electrode terminal may be formed in one direction on the substrate.
The sealing structure of the dye-sensitized solar cell of the present invention, since the material forming the terminal is removed from one side of the positive electrode terminal or negative electrode terminal to which the sealing layer is applied, the sealing layer includes a portion in direct contact with the transparent electrode or the substrate; have. Therefore, when the sealing layer is made of the same or similar material as that of the substrate, the bonding force between the sealing layer and the substrate can be improved, and the physical strength of the electrode terminal having a structure in which pores are formed is weak, so that the sealing layer is separated from the electrode terminal. The problem of separation can also be solved.
1 and 2 show the plane and cross section of the dye-sensitized solar cell module.
3 illustrates a sealing structure applied to a conventional dye-sensitized solar cell.
4 is a cross-sectional view of a sealing portion of a sealing structure applied to a conventional dye-sensitized solar cell.
5 shows a sealing structure of a dye-sensitized solar cell according to an embodiment of the present invention.
Figure 6 shows a cross-sectional structure applied to the sealing structure of the dye-sensitized solar cell according to an embodiment of the present invention.
7 illustrates a shape of a terminal pattern portion which may be applied to a sealing structure of a dye-sensitized solar cell according to an embodiment of the present invention.
8 illustrates an electrode terminal of a dye-sensitized solar cell in which a positive electrode terminal and a negative electrode terminal are formed in one direction on a substrate according to an embodiment of the present invention.
Hereinafter, the present invention will be described in detail.
The sealing structure of the dye-sensitized solar cell of the present invention includes a positive electrode substrate having a positive electrode terminal and a negative electrode substrate having a negative electrode terminal, an electrolyte filled between the positive electrode substrate and the negative electrode substrate, and a positive electrode so that the filled electrolyte does not leak out. And a sealing layer which seals the substrate and the negative electrode substrate, and the sealing layer is formed to apply one side of the positive electrode terminal and the negative electrode terminal so that the positive electrode terminal and the negative electrode terminal are not exposed to the electrolyte, and the positive electrode to which the sealing layer is coated. One side of the terminal and the negative electrode terminal is characterized in that the pattern portion is removed from the material forming the terminal.
The sealing structure used in the conventional dye-sensitized solar cell has a structure in which a sealing layer is formed to apply one side of the positive electrode terminal and the negative electrode terminal so that the material constituting the electrode terminal is not exposed to the electrolyte. However, such a conventional sealing structure has a relatively weak coupling force between the sealing layer and the electrode terminal because the sealing layer is applied on the electrode terminal, and because the electrode terminal has a structure in which pores are formed therein, the physical strength is weak. There was a possibility that the sealing layer was separated from the substrate by the impact. In the present invention, by removing and patterning a portion of the electrode terminal to which the sealing layer was applied, the sealing layer is in direct contact with the transparent electrode or the substrate to improve the physical bonding strength of the sealing layer. Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.
5 shows a sealing structure of a dye-sensitized solar cell according to an embodiment of the present invention. Referring to FIG. 5, a
FIG. 6 illustrates a part of a cross-sectional view taken along the line B-B 'of FIG. 5 to explain a cross-sectional structure applied to a sealing structure of a dye-sensitized solar cell according to an embodiment of the present invention. Referring to FIG. 6A, a transparent
7 illustrates a shape of a terminal pattern portion which may be applied to a sealing structure of a dye-sensitized solar cell according to an embodiment of the present invention. Referring to FIG. 7A, a plurality of negative electrode
The electrode terminal of the solar cell is a part which draws out the electric charge generated by light to the outside and outputs it. Junction box is generally connected to the electrode terminal of the solar cell, it is advantageous that the positive electrode terminal and the negative electrode terminal is formed adjacent to the junction box. If the positive electrode terminal and the negative electrode terminal are formed in different directions, the wires must be extended to connect the junction box, which may damage the appearance of the product. According to an embodiment of the present invention, the positive electrode terminal and the negative electrode terminal of the dye-sensitized solar cell may be formed in one direction on the substrate.
8 illustrates an electrode terminal of a dye-sensitized solar cell in which a positive electrode terminal and a negative electrode terminal are formed in one direction on a substrate according to an embodiment of the present invention. In FIG. 8, for convenience of description, the positive electrode substrate and the negative electrode substrate are not distinguished from each other, and only the positive electrode formed on the positive electrode substrate and the negative electrode formed on the negative electrode substrate are illustrated. Referring to FIG. 8, the
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, . Therefore, the embodiments described in the present invention are not intended to limit the scope of the present invention but to limit the scope of the present invention. The scope of protection of the present invention should be construed according to the claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.
100: Z-type module 110: positive electrode substrate
111: transparent
112: platinum layer 116: positive electrode terminal
120: cathode substrate 121: semiconductor layer
122: electrode connection portion 123: transparent negative electrode
123a: transparent negative electrode etching portion 124: protective layer
125: electrolyte 126: negative electrode terminal
200: dye-sensitized solar cell 210: positive electrode substrate
216:
220: negative electrode substrate 222: transparent negative electrode
226:
226b: junction box connection 230: sealing layer
240: negative electrode terminal pattern portion
240a to 240d and 240 ': negative electrode terminal pattern portion 250: positive electrode terminal pattern portion
Claims (5)
An electrolyte filled between the positive electrode substrate and the negative electrode substrate; And
And a sealing layer which seals the positive electrode substrate and the negative electrode substrate so that the filled electrolyte does not leak to the outside.
The sealing layer is formed to apply one side of the positive electrode terminal and the negative electrode terminal so that the positive electrode terminal and the negative electrode terminal are not exposed to the electrolyte, and the material forming the terminal is removed from one side of the positive electrode terminal and the negative electrode terminal to which the sealing layer is applied. Sealing structure of the dye-sensitized solar cell, characterized in that the formed pattern portion.
A transparent positive electrode and a transparent negative electrode are formed under the positive electrode terminal and the negative electrode terminal, respectively, and the sealing structure of the dye-sensitized solar cell, wherein the transparent positive electrode and the transparent negative electrode are removed below the pattern portion.
The positive electrode substrate and the negative electrode substrate is a glass substrate, the sealing layer is a sealing structure of a dye-sensitized solar cell, characterized in that comprises a glass.
The positive electrode substrate and the negative electrode substrate is a polymer resin substrate, the sealing layer is a sealing structure of a dye-sensitized solar cell, characterized in that made of a curable polymer resin.
The positive electrode terminal and the negative electrode terminal is a sealing structure of a dye-sensitized solar cell, characterized in that formed in one direction on the substrate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020110087042A KR20130023929A (en) | 2011-08-30 | 2011-08-30 | Sealing structure of dye-sensitized solar cell |
Applications Claiming Priority (1)
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KR1020110087042A KR20130023929A (en) | 2011-08-30 | 2011-08-30 | Sealing structure of dye-sensitized solar cell |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015080430A1 (en) * | 2013-11-27 | 2015-06-04 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20150076865A (en) | 2013-12-27 | 2015-07-07 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20160148211A (en) | 2015-06-16 | 2016-12-26 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20190124863A (en) | 2018-04-27 | 2019-11-06 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20200064701A (en) | 2018-11-29 | 2020-06-08 | 주식회사 오리온 | Method for fabricating a dye-sensitized solar cell |
-
2011
- 2011-08-30 KR KR1020110087042A patent/KR20130023929A/en not_active IP Right Cessation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015080430A1 (en) * | 2013-11-27 | 2015-06-04 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20150076865A (en) | 2013-12-27 | 2015-07-07 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20160148211A (en) | 2015-06-16 | 2016-12-26 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20190124863A (en) | 2018-04-27 | 2019-11-06 | 주식회사 오리온 | Dye-sensitized solar cell |
KR20200064701A (en) | 2018-11-29 | 2020-06-08 | 주식회사 오리온 | Method for fabricating a dye-sensitized solar cell |
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