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WO2005122322A1 - Cellule solaire de sensibilisation à la teinture et procede de fabrication de celle-ci - Google Patents

Cellule solaire de sensibilisation à la teinture et procede de fabrication de celle-ci Download PDF

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Publication number
WO2005122322A1
WO2005122322A1 PCT/JP2005/009677 JP2005009677W WO2005122322A1 WO 2005122322 A1 WO2005122322 A1 WO 2005122322A1 JP 2005009677 W JP2005009677 W JP 2005009677W WO 2005122322 A1 WO2005122322 A1 WO 2005122322A1
Authority
WO
WIPO (PCT)
Prior art keywords
dye
solar cell
electrolyte
sensitized
sensitized solar
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.)
Ceased
Application number
PCT/JP2005/009677
Other languages
English (en)
Japanese (ja)
Inventor
Hideo Abe
Yasuhito Tanaka
Ariyoshi Ogasawara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SFC Co Ltd
Original Assignee
SFC Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SFC Co Ltd filed Critical SFC Co Ltd
Priority to US11/596,112 priority Critical patent/US20070204906A1/en
Priority to JP2006514452A priority patent/JPWO2005122322A1/ja
Priority to DE112005001297T priority patent/DE112005001297T5/de
Publication of WO2005122322A1 publication Critical patent/WO2005122322A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
    • H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
    • H01M14/005—Photoelectrochemical storage 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/542—Dye sensitized solar 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a dye-sensitized solar cell that directly converts light energy into electric energy, and a method for manufacturing the same.
  • This solar cell is also called a dye-sensitized solar cell because an electrolyte is sealed therein.
  • the formed conductive substrate 5 is overlapped with the electrolyte contained therein, and the periphery thereof is sealed with a resin.
  • a porous titanium oxide film provided on the surface of a conductive substrate is coated with a sensitizing dye capable of efficiently absorbing sunlight, such as a ruthenium complex, as a dye-sensitized semiconductor electrode, The excited electrons are injected into titanium oxide and electricity can flow.
  • an electrolytic solution is required to transfer electrons, and an iodine electrolytic solution is generally used.
  • Patent Document 1 Japanese Patent Publication No. 8-15097.
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2000-173680.
  • the present invention has been made in view of such a problem, and it is an object of the present invention to keep the distance between two substrates constant and to control the amount and fluidity of an electrolyte held between the substrates. Accordingly, it is an object of the present invention to provide a dye-sensitized solar cell having excellent reproducibility and stable performance and a method for producing the same.
  • two substrates having a transparent conductive film and a dye-sensitized semiconductor electrode formed on at least one transparent substrate surface are overlapped, and an electrolytic solution is sealed between the two substrates.
  • a member formed by meshing two or more wires in a mesh shape and serving as an electrode is disposed between the two substrates.
  • a dye-sensitized solar cell is provided.
  • the dye-sensitized solar cell of the present invention is characterized in that the wire has conductivity.
  • the wire may be insulative, and a conductive coating may be formed on one or both surfaces of the wire.
  • the thickness of the wire is larger than the height of irregularities on the surface of the substrate on which the transparent conductive film and the dye-sensitized semiconductor electrode are formed.
  • the dye-sensitized solar cell of the present invention is characterized in that, of the two substrates, a transparent conductive film and a dye-sensitized semiconductor electrode are formed, and the substrate is insulative.
  • an electrolyte holding electrode material is disposed between two substrates.
  • the amount of the retained electrolyte is stabilized, the fluidity thereof is suppressed, and the current is not passed between the dye-sensitized semiconductor electrode and the conductive film without passing through the electrolyte.
  • a dye-sensitized solar cell with good reproducibility and stable performance.
  • FIG. 1 is a schematic sectional view showing a configuration example of a dye-sensitized solar cell of the present invention.
  • FIG. 2 is a process flow chart showing an example of a manufacturing process of the dye-sensitized solar cell of the present invention.
  • FIG. 3 is a view showing a configuration example of an electrolyte holding electrode material in a dye-sensitized solar cell of the present invention.
  • FIG. 4 is a schematic sectional view showing a configuration example of a conventional dye-sensitized solar cell.
  • FIG. 1 is a schematic sectional view of a dye-sensitized solar cell according to an embodiment of the present invention.
  • the dye-sensitized solar cell of the present embodiment has a substrate 1 and a transparent glass substrate 5 on which a dye-sensitized semiconductor electrode 4 and a transparent conductive film 6 are formed. Between the two substrates, a mesh-like electrolyte holding electrode material 2 is arranged, and the electrolyte 3 is contained. In addition, both substrates are sealed by applying a sealing material to the side surfaces.
  • the substrate 1 is made of an insulating glass substrate, a ceramic substrate, or a conductive material such as metal or carbon. It can be composed of a substrate on which a material is formed, a metal plate, or the like. Transparent glass substrate
  • the dye-sensitized semiconductor electrode 4 can also be composed of titanium oxide, titanium oxide tantalum, niobium oxide, zirconium oxide, or the like, but is not limited thereto.
  • the transparent conductive film 6 can also be composed of ITO (tin-containing indium oxide), tin oxide, zinc oxide, and the like, but is not limited thereto, and has a film thickness that does not lower the transmittance. Platinum, metal, or carbon films are also applicable.
  • the sealing material may be a material whose hardness changes depending on the temperature or the like, as long as it can seal between the substrates.
  • the electrolyte holding electrode material 2 is in the form of a mesh in which a plurality of wires are woven in a mesh shape, and the method of weaving the wires includes plain weave, twill weave, plain tatami weave, twill tatami weave, and the like. . It is possible to use not only braided single wire but also braided twisted wire composed of two or more twisted wires.
  • the shape of the wire of the electrolyte holding electrode material 2 may be a prism, a column, or the like, but is not limited thereto.
  • the thickness of the electrolyte holding electrode material 2 may be larger than the unevenness of the surface of the conductive substrate or the unevenness of the dye-sensitized semiconductor electrode 4 and is generally about several / zm to lmm, more preferably several tens of mm. / zm to several hundred / zm. Electrolyte retention ⁇
  • the mesh spacing and wire diameter of the electrode material 2 can be arbitrarily selected so that the effect of the electrolyte immersing between the meshes and the wire and suppressing the flow of the electrolyte occurs. Good.
  • the material of the wire for the electrolyte holding electrode material 2 is made of a metallic conductive material such as stainless steel or A1 or Ni, but may be a weak force, a ceramic such as glass or alumina, or a polymer material such as nylon or polyimide.
  • a metal such as Pt, carbon, A1 or Ni may be coated on the surface of one side of the insulating material by a vapor deposition method, but it is not limited to these. Anything that does not dissolve or drip (repellent) the electrolyte solution is acceptable.
  • a transparent glass substrate or a plastic substrate is prepared as the transparent glass substrate 5.
  • ITO tin-containing indium oxide
  • tin oxide tin oxide
  • zinc oxide or the like
  • the conductive film 6 is formed.
  • fine particles of a metal oxide such as titanium oxide, titanium oxide tantalum, niobium oxide, silica gel, and a small amount of an organic polymer Is applied by a printing method or the like, air-dried, and then heat-treated at a temperature of 500 ° C. to volatilize the organic polymer.
  • fine pores are formed on the surface coated with the metal oxide fine particles.
  • the height of the surface irregularities is measured by a surface shape evaluation device such as ⁇ step.
  • the porous metal oxide film formed on the surface of the transparent conductive film 6 in this manner is immersed in a solution of a sensitizing dye, and the sensitizing dye is adsorbed on the surface thereof to form a dye-sensitized semiconductor electrode 4.
  • FIG. 3 is a top view schematically showing an arrangement of the electrode material 2 for holding the electrolytic solution.
  • the electrolyte-holding electrode material 2 is prepared to have a thickness larger than the height of the irregularities on the surface of the dye-sensitized semiconductor electrode 4 measured as described above.
  • the electrolytic solution 3 is not limited to the iodine electrolytic solution, but may be an organic electrolytic solution containing oxidized and reduced species.
  • the dye-sensitized solar cell according to the above-described embodiment was manufactured by the following procedure. Two glass substrates having a size of 2 ⁇ 3 cm and a thickness of 2.8 mm were prepared, and an ITO film was formed on one of them as a transparent conductive film 6 by a sputtering method to a thickness of 200 nm. The height of the irregularities on this surface was approximately 1 ⁇ m or less. After masking and coating with a tape or the like on the substrate 5 on which the transparent conductive film 6 was formed, titanium dioxide for photocatalyst having a particle diameter of about 20 nm was mixed well with water, polyethylene glycol, and nitric acid to form a paste, which was then printed.
  • the liquid holding electrode material 2 has a thickness of 30 / zm or more.
  • the titanium film formed above was immersed in an acetonitrile solution of a ruthenium complex. As a result, a ruthenium complex as a sensitizing dye was adsorbed and coated on the titanium oxide fine particles constituting the film, and a dye-sensitized semiconductor electrode 4 was formed.
  • the electrolyte holding electrode material 2 a wire was formed by binding three 16- ⁇ m-diameter stainless steel wires, and then a mesh was formed at a pitch of approximately 100 / zm. . The thickness is about 50 m. After holding the electrolyte solution and the electrode material 2 between the substrate 5 on which the dye-sensitized semiconductor electrode 4 was formed and the other substrate 1, the iodine electrolyte solution 3 was poured between the substrates.
  • iodine electrolyte 3 a solution obtained by dissolving 0.5M lithium iodide and 0.05M iodine in a mixed solution of 3-methoxypropio-tolyl and acetonitrile was used. Further, using a dispenser, a sealant was applied to the periphery between the substrates and sealed, thereby producing a dye-sensitized solar cell.
  • Example 2 the same procedure as in Example 1 was used except that the electrolyte solution was used in Example 1 and the electrode material was coated with about 10 Pt of Pt by ion beam assisted vapor deposition on one surface of the electrode material. A dye-sensitized solar cell was manufactured. Ten cells were produced in this example.
  • Example 2 the same procedure as in Example 1 was carried out except that the electrolyte solution holding used in Example 1 and the electrode material coated with about 10 ⁇ of Pt by ion beam assisted vapor deposition on both surfaces were used. A dye-sensitized solar cell was manufactured. Ten cells were produced in this example.
  • a nylon wire having a diameter of 16 / zm was used as the electrolyte holding electrode material 2, and a mesh having a thickness of about 100m and a pitch of about 100m was used.
  • a dye-sensitized solar cell was fabricated in the same manner as in Example 1, except that one surface of the electrolyte-holding electrode material 2 was coated with Pt of about 10 nm by an ion beam assisted vapor deposition method. In this example, 10 cells were manufactured.
  • Example 1 As a comparative example with respect to the above-described embodiment, the actual operation was the same except that the electrolyte holding electrode material 2 was not used. In the same manner as in Example 1, 10 dye-sensitized solar cells were produced.
  • the dye-sensitized solar cells prepared in Examples 1 to 4 were irradiated with a xenon lamp to measure the electromotive force.
  • the cell of the comparative example was 100 mW
  • the short-circuit current per 1 cm 2 was 5 to 15 mA
  • the open-circuit voltage was In contrast to 0.57 to 0.65 V
  • the cell of Example 1 had a short-circuit current of about 15 mA per lcm 2
  • the open-circuit voltage was about 0.6 V
  • the cell of Example 2 had a short-circuit current of about 20 mA per lcm 2 , open circuit voltage of about 0.
  • the open circuit voltage is about 0. 65V, short circuit current per lcm 2 with the cells of example 4 10 cells
  • the open circuit voltage was about 0.60 V, about 8 mA.
  • the dye-sensitized solar cell of the present invention had excellent reproducibility and had stable performance.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hybrid Cells (AREA)
  • Photovoltaic Devices (AREA)

Abstract

Il est prévu une cellule solaire de sensibilisation à la teinture d’une excellente reproductibilité et aux performances stables, obtenue en maintenant un intervalle fixe entre deux cartes et en contrôlant la quantité et la fluidité d’un électrolyte maintenu entre les cartes, et un procédé de fabrication d’une telle cellule solaire de sensibilisation à la teinture. Il est également prévu au moins une surface de carte transparente des deux cartes avec un film conducteur transparent et une électrode semi-conductrice de sensibilisation à la teinture. La cellule solaire de sensibilisation à la teinture s’obtient en disposant les deux cartes l’une sur l’autre et en encapsulant l’électrolyte entre les deux cartes. On dispose entre les deux cartes un élément à maillage composé de deux ou plusieurs tiges métalliques faisant office d’électrode.
PCT/JP2005/009677 2004-06-08 2005-05-26 Cellule solaire de sensibilisation à la teinture et procede de fabrication de celle-ci Ceased WO2005122322A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/596,112 US20070204906A1 (en) 2004-06-08 2005-05-26 Dye Sensitization Solar Cell and Manufacturing Method Thereof
JP2006514452A JPWO2005122322A1 (ja) 2004-06-08 2005-05-26 色素増感型太陽電池及びその製造方法
DE112005001297T DE112005001297T5 (de) 2004-06-08 2005-05-26 Farbstoff-Solarzelle und Herstellungsverfahren dafür

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004-198688 2004-06-08
JP2004198688 2004-06-08
PCT/JP2005/005806 WO2005122321A1 (fr) 2004-06-08 2005-03-29 Cellule solaire sensibilisée par coloration et procédé de fabrication de celle-ci
JPPCT/JP2005/005806 2005-03-29

Publications (1)

Publication Number Publication Date
WO2005122322A1 true WO2005122322A1 (fr) 2005-12-22

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PCT/JP2005/005806 Ceased WO2005122321A1 (fr) 2004-06-08 2005-03-29 Cellule solaire sensibilisée par coloration et procédé de fabrication de celle-ci
PCT/JP2005/009677 Ceased WO2005122322A1 (fr) 2004-06-08 2005-05-26 Cellule solaire de sensibilisation à la teinture et procede de fabrication de celle-ci

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JP (1) JPWO2005122322A1 (fr)
KR (1) KR20070050906A (fr)
WO (2) WO2005122321A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006210317A (ja) * 2004-12-28 2006-08-10 Nippon Oil Corp 色素増感型太陽電池素子の製造方法
CN103903861A (zh) * 2014-04-23 2014-07-02 南开大学 金属硫化物与石墨烯复合材料对电极及其制备方法和应用

Families Citing this family (4)

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GB0910295D0 (en) * 2009-06-16 2009-07-29 Pilkington Group Ltd Laminated structure
KR101156534B1 (ko) 2009-12-28 2012-06-20 삼성에스디아이 주식회사 광전변환소자
JP2011221470A (ja) * 2010-04-14 2011-11-04 Sony Corp 光学素子、およびその製造方法、表示装置、ならびに太陽電池
CN103700502A (zh) * 2013-12-30 2014-04-02 中国科学院上海硅酸盐研究所 制备染料敏化太阳能电池二氧化钛光阳极的方法

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JP2001102101A (ja) * 1999-09-29 2001-04-13 Catalysts & Chem Ind Co Ltd 光電気セル
JP2004119149A (ja) * 2002-09-25 2004-04-15 Hitachi Maxell Ltd 光電変換素子
JP2004296203A (ja) * 2003-03-26 2004-10-21 Bridgestone Corp 色素増感型太陽電池用対向電極及び色素増感型太陽電池
JP2005166313A (ja) * 2003-11-28 2005-06-23 Ngk Spark Plug Co Ltd 色素増感型太陽電池

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JP2001102101A (ja) * 1999-09-29 2001-04-13 Catalysts & Chem Ind Co Ltd 光電気セル
JP2004119149A (ja) * 2002-09-25 2004-04-15 Hitachi Maxell Ltd 光電変換素子
JP2004296203A (ja) * 2003-03-26 2004-10-21 Bridgestone Corp 色素増感型太陽電池用対向電極及び色素増感型太陽電池
JP2005166313A (ja) * 2003-11-28 2005-06-23 Ngk Spark Plug Co Ltd 色素増感型太陽電池

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006210317A (ja) * 2004-12-28 2006-08-10 Nippon Oil Corp 色素増感型太陽電池素子の製造方法
CN103903861A (zh) * 2014-04-23 2014-07-02 南开大学 金属硫化物与石墨烯复合材料对电极及其制备方法和应用

Also Published As

Publication number Publication date
JPWO2005122322A1 (ja) 2008-04-10
WO2005122321A1 (fr) 2005-12-22
KR20070050906A (ko) 2007-05-16

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