KR101514287B1 - dye-sensitized solar cell using woven electrode attached cloth - Google Patents

dye-sensitized solar cell using woven electrode attached cloth Download PDF

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Publication number
KR101514287B1
KR101514287B1 KR1020140084743A KR20140084743A KR101514287B1 KR 101514287 B1 KR101514287 B1 KR 101514287B1 KR 1020140084743 A KR1020140084743 A KR 1020140084743A KR 20140084743 A KR20140084743 A KR 20140084743A KR 101514287 B1 KR101514287 B1 KR 101514287B1
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South Korea
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metal wire
electrode
solar cell
dye
counter electrode
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KR1020140084743A
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Korean (ko)
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차승일
서선희
윤민주
이동윤
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한국전기연구원
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Priority to PCT/KR2015/006335 priority patent/WO2016006843A1/en

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    • 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
    • H01L31/02—Details
    • H01L31/0224—Electrodes
    • 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
    • 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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  • 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)
  • Hybrid Cells (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The present invention relates to a dye-sensitized solar cell having woven electrodes coupled to fabric, comprising: a light electrode layer which is formed by weaving a light electrode metal wire having a light electrode formed on the external surface of a metal wire, a metal wire for warp yarn, and a glass fiber and includes a light electrode unit and a light electrode coupling unit, wherein the metal wire for warp yarn is woven by the warp yarn, and the light electrode metal wire and the glass fiber are woven by weft yarn; a relative electrode layer which is formed by weaving a relative electrode metal wire having a relative electrode formed on the external surface of the metal wire, the metal wire for warp yarn, and the glass fiber and includes a relative electrode unit and a relative electrode coupling unit, wherein the metal wire for warp yarn is woven by the warp yarn, and the relative electrode metal wire and the glass fiber are woven by the weft yarn; and an electrolyte impregnating layer which is made of paper or fabric, is coupled between the light electrode layer and the relative electrode layer, is coupled to the light electrode coupling unit of the light electrode layer and the relative electrode coupling unit of the relative electrode layer using a coupling member, and is impregnated with an electrolyte, thereby separately forming the light electrode and the relative electrode by the weaving process and producing a solar cell which has high efficiency and is flexible by sewing the light electrode and the relative electrode on the fabric or the paper.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a dye-sensitized solar cell,

The present invention relates to a dye-sensitized solar cell in which a woven electrode is formed by bonding to a cloth, and more particularly, to a dye-sensitized solar cell in which a photoelectrode and a counter electrode are separately formed by a weaving process, A dye-sensitized solar cell in which a woven electrode in which a solar cell is formed by being bonded to a cloth by a joining member is formed by being bonded to a fabric, will be.

In general, a dye-sensitized solar cell is a type of solar cell that generates chemical power by utilizing the solar light absorption capability of a dye. As shown in FIG. 1, a cathode 103 on a top glass substrate 101, An electrolyte 105, a counter electrode 104, a conductive transparent electrode 102, a sealing adhesive 106, and a lower glass substrate 101.

The cathode 103 is composed of an n-type oxide semiconductor having a wide bandgap such as TiO 2 , ZnO, and SnO 2 present in the form of a nano porous film, and a monomolecular dye is adsorbed on the surface . When sunlight is incident on a solar cell, electrons in the vicinity of the Fermi energy in the dye absorb solar energy and are excited to an upper level that is not filled with electrons.

At this time, the vacant position of the sub-level where the electrons have escaped is replenished by providing electrons in the electrolyte. The ions providing electrons to the dye migrate to the counter electrode 104, which is an anode, and receive electrons. At this time, the counter electrode 104 of the anode serves as a catalyst for the redox reaction of the ions in the electrolyte, and serves to provide electrons to the ions in the electrolyte through the redox reaction on the surface.

Among the components of the above-described dye-sensitized solar cell, the upper and lower glass substrates 101 are coated with a conductive transparent electrode 102 on its surface. As the conductive transparent electrode 102, fluorine-doped tin oxide (FTO) is mainly used because the FTO has the lowest reactivity with the electrolyte 105 and is stable even for a long time.

In order to prevent leakage of the electrolyte 105, the conductive transparent electrode 102 and the conductive transparent electrode 102 are sealed using a sealing adhesive 106 so that the electrolyte 105 is held in a predetermined space As shown in FIG.

However, the dye-sensitized solar cell using the upper and lower glass substrates 101 coated with FTO has a problem in that it is not flexible and thus can not be used in applications requiring bending.

Accordingly, there is a need for a dye-sensitized solar cell having flexibility. As a conventional technique, there has been proposed a method of manufacturing a dye-sensitized solar cell which is capable of bending (see Japanese Patent Application Laid-Open No. 10-2005-0064566 A solar cell and a manufacturing method thereof "are introduced. The prior art includes a first conductive substrate which is bendable; A semiconductor electrode including a nanoparticle oxide layer formed on the first conductive substrate; A bendable second conductive substrate; An opposite electrode comprising a metal layer formed by the second conductive substrate; An electrolyte solution interposed between the semiconductor electrode and the counter electrode; And a transparent film surrounding the semiconductor electrode and the counter electrode so as to face the semiconductor electrode and the counter electrode so that the electrolyte solution does not leak. However, when the electrolyte solution is exhausted, there is a problem in that the nanoparticle oxide layer and the platinum layer are in direct contact with each other. However, the first conductive substrate must be separately formed to form the semiconductor electrode, There is a problem that the structure of the second conductive substrate is complicated.

Another prior art is the "dye-sensitized flexible solar cell using fiber" filed by the applicant of the present invention in Korean Patent Application Publication No. 10-2013-0092727 (published on Aug. 21, 2013) Is introduced. The prior art includes a fiber layer formed of nanofibers; A conductive electrode layer formed on one side of the fibrous layer; A photoelectrode layer formed on the conductive electrode layer; A counter electrode layer formed on the other side of the fibrous layer; A sealing member for sealing the fiber layer, the conductive electrode layer, the counter electrode layer, and the optical electrode layer, from the outside; Further, it is composed of an electrolyte impregnated in the fibrous layer, and is flexible and has a structure in which the electrolyte is not leaked to the outside by external pressure.

However, the above-mentioned prior art has a problem that a manufacturing process is complicated and inefficient because a photoelectric layer and a counter electrode layer must be separately formed on a fiber layer impregnated with an electrolyte.

(Patent Document 1) Korean Patent Application Publication No. 10-2005-0064566 (Published Date June 29, 2005) (Document 1) Korean Patent Application Publication No. 10-2013-0092727 (Published Date Aug. 21, 2013)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior arts, and it is an object of the present invention to provide a method of fabricating a flexible printed circuit board by forming a photo electrode and a counter electrode separately in a weaving process, It is an object of the present invention to provide a dye-sensitized solar cell in which a woven electrode in which a solar cell is formed by bonding a cloth to any cloth is formed.

According to an aspect of the present invention, there is provided a light emitting device comprising: a photo-electrode metal wire on which an optical electrode is formed on an outer surface of a metal wire; a metal wire for warp; and a glass fiber, A photoelectrode layer formed of a photoelectrode portion and a photoelectrode joining portion on the basis of a ramp, a photoelectrode metal wire, and a glass fiber; A metal wire having a counter electrode formed on the outer surface of the metal wire, a light metal wire, and a glass fiber, wherein the light metal wire is inclined, A counter electrode layer formed of a counter electrode and a counter electrode coupling portion; An electrolyte impregnated layer formed of paper or cloth and coupled between the photoelectrode layer and the counter electrode layer and coupled with the counter electrode coupling portion of the photoelectric electrode coupling portion and the counter electrode layer of the photoelectric electrode layer by the coupling member, The present invention relates to a dye-sensitized solar cell, and more particularly, to a dye-sensitized solar cell in which a woven electrode is formed by being bonded to a cloth.

The metal wire is preferably made of titanium (Ti) or sulfur (SUS).

Preferably, the counter electrode portion is formed by coating platinum.

The application of the platinum is preferably performed using a paste coating method or electrolytic plating.

Preferably, the photoelectrode is made of titanium dioxide (TiO 2 ).

It is preferable that the photoelectrode is formed only on the outer surface of the metal wire or on the entirety of the photoelectrode.

The photoelectrode is preferably formed by a paste coating method.

The metal wire is preferably in the form of a line or ribbon.

Accordingly, there is an advantage that a flexible and high-efficiency solar cell can be manufactured by separately forming a photo electrode and a counter electrode in a weaving process and stitching the same on cloth or paper.

According to the present invention, it is possible to manufacture a flexible and high-efficiency solar cell by separately forming a photoelectrode and a counter electrode in a weaving process and bonding it to cloth or paper by a joining member such as sewing. There is an effect that the solar cell can be easily formed by bonding the optical electrode and the counter electrode to each other using a joining member such as sewing.

1 is a schematic cross-sectional view of a conventional dye-sensitized solar cell,
FIG. 2 is an exploded perspective view of a dye-sensitized solar cell in which a woven electrode according to the present invention is formed by sewing on a cloth,
FIG. 3 is a perspective view of a dye-sensitized solar cell in which a woven electrode according to the present invention is formed by sewing on a cloth,
FIG. 4 is a longitudinal sectional view of a substantial part of a dye-sensitized solar cell in which a woven electrode according to the present invention is formed by sewing on a cloth,
FIG. 5 is a perspective view of a dye-sensitized solar cell formed by knitting a fabric according to the present invention, and FIG.
6 is a perspective view of a dye-sensitized solar cell formed from silk cloth according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic cross-sectional view of a conventional dye-sensitized solar cell, FIG. 2 is an exploded perspective view of a dye-sensitized solar cell in which a woven electrode according to the present invention is bonded to a cloth, FIG. 4 is a vertical cross-sectional view of a substantial part of a dye-sensitized solar cell in which a woven electrode according to the present invention is bonded to a cloth, and FIG. 5 FIG. 6 is a perspective view of a dye-sensitized solar cell fabricated from silk fabric according to an embodiment of the present invention. Referring to FIG.

As shown in the figure, a dye-sensitized solar cell in which a woven electrode according to the present invention is bonded to a cloth is mainly composed of a light electrode layer 200, a counter electrode layer 300, and an electrolyte impregnated layer 300.

The photoelectrode layer 200 includes a photoelectrode 220 formed on the outer surface of the metal wire 210 and a photoelectrode 220 formed on the outer surface of the metal wire 210, The wire 230 and the glass fiber 240 by weaving the light metal wire 230 and the photo electrode metal wire and the glass fiber 240 as wefts.

The photo-electrode metal wire forming the photo-electrode layer may be formed of a metal wire 210 such as titanium or sus in the form of a ribbon or a general line, and a titanium dioxide (TiO 2 ) is applied by a paste coating method such as a doctor blade method to form a photo-electrode metal wire. The light metal wire 230 is formed of a metal wire such as titanium or sausage in the form of no optical electrode.

The light electrode layer 200 is formed by sloping the light metal wire 230. The photoelectrode layer 200 is formed on the substantially central portion by weaving the photoelectrode metal wire and the edges of the glass fiber 240 as wefts. That is, the substantially central portion of the photoelectric layer 200 becomes the photoelectrode portion 201 as the photoelectrode electrode of the dye-sensitized solar cell, and the edge portion of the photoelectrode layer 200 is coupled to the coupling member such as the stitching And an optical electrode coupling portion 202. The photoelectrode coupling portion 202 is later coupled to the counter electrode coupling portion 302 of the counter electrode layer 300 and the electrolyte impregnated layer 400 by a joining member such as a stitching or stapler, Is completed.

The counter electrode layer 300 is formed by weaving a counter electrode metal wire 320 formed with a counter electrode on an outer surface of a metal wire, a metal wire 330 for a warp yarn, and a glass fiber 340 And by weaving the light metal wire 330 at an angle and counter electrode metal wire 320 and the glass fiber 330 as a weave.

The counter electrode metal wire 320 forming the counter electrode layer 300 may be formed using a metal wire such as titanium or sus in the form of a ribbon or a general line, A doctor blade method, or the like, or by electrolytic plating to form a counter electrode metal wire 320. The light metal wires 330 are formed of metal wires such as titanium or stainless steel in a form in which no counter electrode is formed.

The counter electrode layer 300 is formed by sloping the light metal wire 330. The counter electrode layer 300 is formed on the substantially central portion by weaving the counter electrode metal wire 320 and the edges with a glass fiber 340 as a weft. That is, the roughly central portion of the counter electrode layer 300 becomes the counter electrode portion 301 as a counter electrode of the dye-sensitized solar cell, and the edge portion of the counter electrode layer 300 is a portion And the counter electrode coupling portion 302 is formed. The counter electrode coupling unit 302 is coupled to the photoelectrode coupling unit 202 and the electrolyte impregnated layer 400 of the photoelectrode layer 200 by a stitching or stapler coupling member, Is completed.

The electrolyte impregnated layer 400 is formed of paper or a cloth and is coupled between the photoelectrode layer 200 and the counter electrode layer 300. The electrolyte impregnated layer 400 is formed by joining members such as stitching, (300) to complete a dye-sensitized solar cell.

The electrolyte impregnated layer 400 must contain an electrolyte. As the paper to be used, Korean paper or the like can be used. As the cloth, cotton cloth or silk can be used. The aforementioned paper, cotton fabrics. The reason why silk and the like can be used is the above-mentioned paper, cotton fabrics. Silk and the like have excellent ability to contain an electrolyte.

The electrolyte impregnated layer 400 is in contact with the photoelectrode layer 200 and the counter electrode layer 300 and is joined by a joining member such as sewing. The electrode layer 300 is formed separately and then the photoelectrode coupling portion 202 formed at the edge of the photoelectrode layer 200 in a state in which the photoelectric layer 200, the electrolyte impregnated layer 400 and the counter electrode layer 300 are in contact with each other, And a counter electrode assembly 302 formed on the counter electrode layer 300 to form a stitching unit 500 as a coupling member by sewing or the like to form a dye-sensitized solar cell.

As described above, the photoelectrode layer 200, in which the photoelectrode portion 201 and the photoelectrode coupling portion 202 are separately formed, is separately formed by weaving, and the counter electrode portion 301 and the counter electrode coupling portion 302 are separately formed The dye-sensitized solar cell is formed by separately forming the counter electrode layer 300 formed by weaving and separately forming the electrolyte impregnated layer 400 and bonding it with a joining member such as a sewing material, A solar cell can be manufactured, and a solar cell can be manufactured by a simple process by joining to any cloth or paper by sewing.

Although the engaging member is described as a stitch or a stapler in the above description, the engaging member may be combined with other engageable members, and it is obvious that the engaging member is within the scope of the present invention.

In the above description, the solar cell is composed of the photoelectrode layer, the electrolyte impregnated layer, and the counter electrode layer. However, the photoelectric layer, the electrolyte impregnated layer, and the counter electrode layer may be sealed in a transparent sealing member. At this time, it is preferable that the electrolyte impregnated layer is sealed in an impregnated electrolyte.

Here, a terminal electrode is connected to the counter electrode layer and the photoelectrode layer to complete a dye-sensitized solar cell.

200: optical electrode layer 201:
202: photoelectrode coupling portion 210: metal wire
220: photoelectrode 230: light metal wire
240: glass fiber 300: counter electrode layer
301: counter electrode unit 302: counter electrode coupling unit
320: Relative electrode metal wire 330: Light metal wire
340: glass fiber 400: electrolyte impregnated layer
500: Sewing part

Claims (8)

A method of manufacturing a semiconductor device, comprising: forming a photo-electrode metal wire having a photo-electrode on an outer surface of a metal wire, a metal wire for a tie, and a glass fiber by weaving, An optical electrode layer formed of a photoelectrode portion and a photoelectrode coupling portion;
A metal wire having a counter electrode formed on the outer surface of the metal wire, a light metal wire, and a glass fiber, wherein the light metal wire is inclined, A counter electrode layer formed of a counter electrode and a counter electrode coupling portion;
An electrolyte impregnated layer formed of paper or cloth and coupled between the photoelectrode layer and the counter electrode layer and coupled with the counter electrode coupling portion of the photoelectric electrode coupling portion and the counter electrode layer of the photoelectric electrode layer by the coupling member, Wherein the woven electrode is formed by bonding to a cloth. The dye-sensitized solar cell according to claim 1, wherein the metal wire is made of titanium (Ti) or sulfur (SUS). The dye-sensitized solar cell according to claim 1, wherein the counter electrode part is formed by coating platinum. The dye-sensitized solar cell according to claim 3, wherein the platinum is formed by using a paste coating method or an electrolytic plating. The dye-sensitized solar cell according to claim 1, wherein the photoelectrode is titanium dioxide (TiO 2 ). The dye-sensitized solar cell according to claim 5, wherein the photoelectrode is formed only on the outer surface of the metal wire or on the entirety of the photo-electrode. The dye-sensitized solar cell according to claim 5, wherein the photoelectrode is formed by a paste coating method. The dye-sensitized solar cell of claim 1, wherein the metal wire is linear or ribbon-shaped.
KR1020140084743A 2014-07-07 2014-07-07 dye-sensitized solar cell using woven electrode attached cloth KR101514287B1 (en)

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KR1020140084743A KR101514287B1 (en) 2014-07-07 2014-07-07 dye-sensitized solar cell using woven electrode attached cloth
PCT/KR2015/006335 WO2016006843A1 (en) 2014-07-07 2015-06-23 Dye-sensitised solar cell

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007012545A (en) * 2005-07-04 2007-01-18 Sony Corp Dye-sensitized photoelectric conversion element, its manufacturing method, photoelectric conversion element module, electronic apparatus, movable body, and power generation system
KR20100002441A (en) * 2008-06-30 2010-01-07 경성대학교 산학협력단 Photovoltaic cell with ti-mesh/tio2 nano tube
KR20110105190A (en) * 2010-03-18 2011-09-26 국민대학교산학협력단 Semiconductor device having zno nano structure and dye-sensitized solar cell using the same
JP2012064550A (en) * 2010-09-17 2012-03-29 Fujikura Ltd Dye-sensitized solar cell and display with dye-sensitized solar cell

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007012545A (en) * 2005-07-04 2007-01-18 Sony Corp Dye-sensitized photoelectric conversion element, its manufacturing method, photoelectric conversion element module, electronic apparatus, movable body, and power generation system
KR20100002441A (en) * 2008-06-30 2010-01-07 경성대학교 산학협력단 Photovoltaic cell with ti-mesh/tio2 nano tube
KR20110105190A (en) * 2010-03-18 2011-09-26 국민대학교산학협력단 Semiconductor device having zno nano structure and dye-sensitized solar cell using the same
JP2012064550A (en) * 2010-09-17 2012-03-29 Fujikura Ltd Dye-sensitized solar cell and display with dye-sensitized solar cell

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