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WO2009035025A1 - 電極触媒及びそれを用いた電極 - Google Patents

電極触媒及びそれを用いた電極 Download PDF

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Publication number
WO2009035025A1
WO2009035025A1 PCT/JP2008/066403 JP2008066403W WO2009035025A1 WO 2009035025 A1 WO2009035025 A1 WO 2009035025A1 JP 2008066403 W JP2008066403 W JP 2008066403W WO 2009035025 A1 WO2009035025 A1 WO 2009035025A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
potential
electrode catalyst
catalyst
scanning
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/JP2008/066403
Other languages
English (en)
French (fr)
Inventor
Ken-Ichiro Ota
Shigenori Mitsushima
Akimitsu Ishiara
Jin-Han Kim
Youta Maekawa
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.)
Yokohama National University NUC
Original Assignee
Yokohama National University NUC
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 Yokohama National University NUC filed Critical Yokohama National University NUC
Publication of WO2009035025A1 publication Critical patent/WO2009035025A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Catalysts (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)

Abstract

本発明の電極触媒は、X 線回折による結晶構造がZrO1/2N であり、30℃の0.1mol/L 硫酸水溶液中で、走査速度5mV/s で電位走査したとき、酸素還元電流が流れ始める時の電位が可逆水素電極電位基準で0.75V 以上となること、またイオン化ポテンシャルが5.4eV 以下であることを特徴とする。 本発明の電極触媒は、触媒能及び安定性に優れており、本発明の電極触媒を用いた電極は、例えば水や有機物の電気分解、燃料電池等の電極として用いるのに好適である。
PCT/JP2008/066403 2007-09-13 2008-09-11 電極触媒及びそれを用いた電極 Ceased WO2009035025A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-237432 2007-09-13
JP2007237432 2007-09-13

Publications (1)

Publication Number Publication Date
WO2009035025A1 true WO2009035025A1 (ja) 2009-03-19

Family

ID=40452032

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066403 Ceased WO2009035025A1 (ja) 2007-09-13 2008-09-11 電極触媒及びそれを用いた電極

Country Status (2)

Country Link
JP (1) JP5207461B2 (ja)
WO (1) WO2009035025A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965076A (zh) * 2019-12-06 2020-04-07 吉林大学 一种双功能三维分层核壳结构电解水电极的制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5826461B2 (ja) * 2010-03-19 2015-12-02 国立大学法人横浜国立大学 酸素還元触媒
JP7687651B2 (ja) * 2020-12-24 2025-06-03 ＡＺＵＬ Ｅｎｅｒｇｙ株式会社 酸素還元用触媒及びその選定方法、酸素還元用触媒を含む液状組成物又は電極、電極を備える空気電池又は燃料電池

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006334542A (ja) * 2005-06-03 2006-12-14 Japan Science & Technology Agency 金属オキシナイトライド電極触媒の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4198582B2 (ja) * 2003-12-02 2008-12-17 独立行政法人科学技術振興機構 タンタルオキシナイトライド酸素還元電極触媒

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006334542A (ja) * 2005-06-03 2006-12-14 Japan Science & Technology Agency 金属オキシナイトライド電極触媒の製造方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
AKIMITSU ISHIHARA ET AL.: "4,5 zoku sen'i kinzoku sanchikkabutsu no sanso kangen shokubaino", 2005 NEN ABSTRACTS OF AUTUMN MEETING OF THE ELECTROCHEMICAL SOCIETY OF JAPAN, 8 September 2005 (2005-09-08), pages 54 *
AKIMITSU ISHIHARA ET AL.: "Konna busshitsu,anna busshitsu-aratana shokubai no kanosei-datsu hakkin o mezashita sanso kangen denkyoku shokubai-denki kagaku kara", SHOKUBAI, vol. 49, no. 5, 10 August 2007 (2007-08-10), pages 327 - 331 *
SHOTARO DOI ET AL.: "Zirconium -based compounds for cathode of polymer electrolyte fuel cell", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 154, no. 3, 2 February 2007 (2007-02-02), pages B362 - B369, Retrieved from the Internet <URL:http://scitation.aip.org/getpdf/servlet/getpdfservlet?filetype=pdf&id=jesoan00015400000300b362000001&idtype=cvips&prog=normal> [retrieved on 20081024] *
YOUTA MAEKAWA ET AL.: "Catalytic activity of zirconium oxynitride prepared by reactive sputtering for ORR in sulfuric acid", ELECTROCHEMICAL AND SOLID-STATE LETTERS, vol. 11, no. 7, 28 April 2008 (2008-04-28), pages B109 - B112 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965076A (zh) * 2019-12-06 2020-04-07 吉林大学 一种双功能三维分层核壳结构电解水电极的制备方法

Also Published As

Publication number Publication date
JP5207461B2 (ja) 2013-06-12
JP2009082909A (ja) 2009-04-23

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