JP5056258B2 - 燃料電池用電極触媒、酸素還元型触媒の性能評価方法、及びそれを用いた固体高分子型燃料電池 - Google Patents
燃料電池用電極触媒、酸素還元型触媒の性能評価方法、及びそれを用いた固体高分子型燃料電池 Download PDFInfo
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- JP5056258B2 JP5056258B2 JP2007208458A JP2007208458A JP5056258B2 JP 5056258 B2 JP5056258 B2 JP 5056258B2 JP 2007208458 A JP2007208458 A JP 2007208458A JP 2007208458 A JP2007208458 A JP 2007208458A JP 5056258 B2 JP5056258 B2 JP 5056258B2
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- 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
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- 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
- H01M4/92—Metals of platinum group
- H01M4/923—Compounds thereof with non-metallic elements
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- 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
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
-
- 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
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
-
- 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
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8689—Positive electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
- Catalysts (AREA)
Description
[触媒の調製]
カーボン担体としてKetjen Black(商標名)を用い、ルテニウムカルボニル、モリブデンカルボニル、イオウをアルゴン中で140℃で加熱し、冷却の後、アセトンで洗浄し、ろ過をする。ろ過物であるRuMoS/Cを350℃で2時間焼成して触媒を調整した。ここで、硫黄仕込み量を20、45、及び70mol%とした。
上記の触媒材料について、EXAFS及びTEMを用いて構造解析を行った。
図1に、RuMoS/C(S:20mol%)のTEM画像を示す。図1の結果より、結晶粒子が確認でき、粒度分布は小さいことが分かる。図2に、RuMoS/C(S:45mol%)のTEM画像を示す。図2の結果より、結晶粒子部分と非晶質部分が確認でき、粒度分布は中ぐらいであることが分かる。図3に、RuMoS/C(S:70mol%)のTEM画像を示す。図3の結果より、結晶粒子は確認できず、非晶質部分のみが確認でき、粒度分布は大きいことが分かる。
上記TEM観察結果の結果、カルコゲナイド系触媒には、状態(組成・熱処理条件等)により非晶質と結晶質が混在することが確認された。
上記の各触媒の他に、RuMoS/C(S:45mol%)の熱処理条件を350℃×1hに変化させた触媒と、RuS/Cの熱処理条件を350℃×2hとしたものに対して、小角X線散乱法により、触媒粒径と粒度分布を調べた。
図4に、触媒粒径測定結果(nm)を示す。また、図5に、触媒粒度分布測定結果(%)を示す。
Claims (3)
- 導電性担体に、ルテニウム(Ru)及びモリブデン(Mo)とイオウ(S)とが担持された燃料電池用電極触媒であって、(電極触媒の平均粒径(nm))/(電極触媒の粒度分布(%))=0.013〜0.075であることを特徴とする燃料電池用電極触媒。
- 導電性担体に、ルテニウム(Ru)及びモリブデン(Mo)とイオウ(S)とが担持された燃料電池用電極触媒において、(該電極触媒の平均粒径)/(該電極触媒の粒度分布)=0.013〜0.075であることを触媒性能の指標とすることを特徴とする酸素還元型触媒の性能評価方法。
- 請求項1に記載の燃料電池用電極触媒を備えた固体高分子型燃料電池。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007208458A JP5056258B2 (ja) | 2007-08-09 | 2007-08-09 | 燃料電池用電極触媒、酸素還元型触媒の性能評価方法、及びそれを用いた固体高分子型燃料電池 |
US12/671,925 US20110111322A1 (en) | 2007-08-09 | 2008-08-08 | Fuel cell electrode catalyst, method for evaluating performance of oxygen-reducing catalyst, and solid polymer fuel cell comprising the fuel cell electrode catalyst |
PCT/JP2008/064608 WO2009020248A1 (en) | 2007-08-09 | 2008-08-08 | Fuel cell electrode catalyst, method for evaluating performance of oxygen-reducing catalyst, and solid polymer fuel cell comprising the fuel cell electrode catalyst |
EP08792485A EP2176909A1 (en) | 2007-08-09 | 2008-08-08 | Fuel cell electrode catalyst, method for evaluating performance of oxygen-reducing catalyst, and solid polymer fuel cell comprising the fuel cell electrode catalyst |
CN2008801024152A CN101779314B (zh) | 2007-08-09 | 2008-08-08 | 燃料电池电极催化剂、评测氧还原催化剂性能的方法和包含所述燃料电池电极催化剂的固体聚合物燃料电池 |
Applications Claiming Priority (1)
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JP2007208458A JP5056258B2 (ja) | 2007-08-09 | 2007-08-09 | 燃料電池用電極触媒、酸素還元型触媒の性能評価方法、及びそれを用いた固体高分子型燃料電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009043620A JP2009043620A (ja) | 2009-02-26 |
JP5056258B2 true JP5056258B2 (ja) | 2012-10-24 |
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JP2007208458A Expired - Fee Related JP5056258B2 (ja) | 2007-08-09 | 2007-08-09 | 燃料電池用電極触媒、酸素還元型触媒の性能評価方法、及びそれを用いた固体高分子型燃料電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110111322A1 (ja) |
EP (1) | EP2176909A1 (ja) |
JP (1) | JP5056258B2 (ja) |
CN (1) | CN101779314B (ja) |
WO (1) | WO2009020248A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110114136A (zh) * | 2016-12-27 | 2019-08-09 | 昭和电工株式会社 | 氧还原催化剂、膜电极组件和燃料电池 |
CN110114137A (zh) * | 2016-12-27 | 2019-08-09 | 昭和电工株式会社 | 氧还原催化剂、电极、膜电极组件和燃料电池 |
JP6570802B1 (ja) * | 2018-01-16 | 2019-09-04 | 昭和電工株式会社 | 酸素還元触媒 |
CN113649027B (zh) * | 2020-04-28 | 2022-11-08 | 北京大学 | 用于氯碱工业中氯气析出反应的催化剂及其制备方法 |
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DE19644628C2 (de) * | 1996-10-17 | 2001-05-23 | Hahn Meitner Inst Berlin Gmbh | Verfahren zur Herstellung einer inerten Kathode für die selektive Sauerstoffreduktion und Anwendung der hergestellten Kathode |
US7125820B2 (en) * | 2002-07-31 | 2006-10-24 | Ballard Power Systems Inc. | Non-noble metal catalysts for the oxygen reduction reaction |
US7335245B2 (en) * | 2004-04-22 | 2008-02-26 | Honda Motor Co., Ltd. | Metal and alloy nanoparticles and synthesis methods thereof |
RU2004129396A (ru) * | 2004-10-05 | 2006-03-10 | Е.И.Дюпон де Немур энд Компани (US) | Каталитический материал, стойкий к действию метанола |
WO2006137302A1 (ja) * | 2005-06-23 | 2006-12-28 | Mitsubishi Chemical Corporation | 燃料電池、その触媒及びその電極 |
KR100684767B1 (ko) * | 2005-07-29 | 2007-02-20 | 삼성에스디아이 주식회사 | 연료 전지 캐소드용 촉매, 이를 포함하는 막-전극 어셈블리및 연료 전지 시스템 |
EP1772916A3 (en) * | 2005-08-31 | 2009-01-28 | Samsung SDI Co., Ltd. | Catalyst for Cathode of Fuel Cell, and Membrane-Electrode Assembly for Fuel Cell |
KR101223630B1 (ko) * | 2005-11-11 | 2013-01-17 | 삼성에스디아이 주식회사 | 연료 전지의 캐소드 전극용 촉매, 이의 제조 방법, 이를포함하는 연료 전지용 막-전극 어셈블리 및 이를 포함하는연료 전지 시스템 |
KR20070114494A (ko) * | 2006-05-29 | 2007-12-04 | 삼성에스디아이 주식회사 | 연료 전지용 캐소드 촉매 및 이를 포함하는 연료 전지용막-전극 어셈블리 |
US7575824B2 (en) * | 2006-07-26 | 2009-08-18 | Los Alamos National Security, Llc | Method of improving fuel cell performance by removing at least one metal oxide contaminant from a fuel cell electrode |
CN100522355C (zh) * | 2006-12-13 | 2009-08-05 | 太原理工大学 | 直接甲醇燃料电池用氧电还原催化剂的制备方法 |
-
2007
- 2007-08-09 JP JP2007208458A patent/JP5056258B2/ja not_active Expired - Fee Related
-
2008
- 2008-08-08 WO PCT/JP2008/064608 patent/WO2009020248A1/en active Application Filing
- 2008-08-08 CN CN2008801024152A patent/CN101779314B/zh not_active Expired - Fee Related
- 2008-08-08 US US12/671,925 patent/US20110111322A1/en not_active Abandoned
- 2008-08-08 EP EP08792485A patent/EP2176909A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US20110111322A1 (en) | 2011-05-12 |
JP2009043620A (ja) | 2009-02-26 |
WO2009020248A1 (en) | 2009-02-12 |
CN101779314B (zh) | 2013-04-10 |
EP2176909A1 (en) | 2010-04-21 |
CN101779314A (zh) | 2010-07-14 |
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