BR9904688A - Catalisador de liga pt/rh/fe para células combustìveis e um processo para a produção do mesmo - Google Patents

Catalisador de liga pt/rh/fe para células combustìveis e um processo para a produção do mesmo

Info

Publication number
BR9904688A
BR9904688A BR9904688-1A BR9904688A BR9904688A BR 9904688 A BR9904688 A BR 9904688A BR 9904688 A BR9904688 A BR 9904688A BR 9904688 A BR9904688 A BR 9904688A
Authority
BR
Brazil
Prior art keywords
catalyst
atom
suspension
alloy catalyst
hours
Prior art date
Application number
BR9904688-1A
Other languages
English (en)
Inventor
Emmanuel Dr Auer
Gerhard Heinz
Thomas Dr Lehmann
Karl-Anton Starz
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of BR9904688A publication Critical patent/BR9904688A/pt

Links

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
    • H01M4/92—Metals of platinum group
    • H01M4/921—Alloys or mixtures with metallic elements
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8906—Iron and noble metals
    • 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)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Inert Electrodes (AREA)

Abstract

Patente de Invenção: <B>" CATALISADOR DE LIGA Pt/Rh/Fe PARA CéLULAS COMBUSTìVEIS E UM PROCESSO PARA PRODUçãO DO MESMO"<D>. A invenção provê catalisador de liga de platina em um suporte de carbono eletricamente condutor contendo uma liga de 40 a 60 atom-% de platina, 10 a 20 atom-% de ródio e 20 a 50 atom-% de ferro na forma de partículas de liga finamente divididas. O catalisador é caracterizado pelo fato do tamanho de partícula médio das partículas de liga ser inferior a 10 nm.
BR9904688-1A 1998-10-17 1999-10-15 Catalisador de liga pt/rh/fe para células combustìveis e um processo para a produção do mesmo BR9904688A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19848032A DE19848032A1 (de) 1998-10-17 1998-10-17 Pt/Rh/Fe-Legierungskatalysator für Brennstoffzellen und Verfahren zu dessen Herstellung

Publications (1)

Publication Number Publication Date
BR9904688A true BR9904688A (pt) 2000-08-08

Family

ID=7884878

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9904688-1A BR9904688A (pt) 1998-10-17 1999-10-15 Catalisador de liga pt/rh/fe para células combustìveis e um processo para a produção do mesmo

Country Status (6)

Country Link
US (1) US6165635A (pt)
EP (1) EP0994520B1 (pt)
JP (1) JP2000123843A (pt)
AT (1) ATE297599T1 (pt)
BR (1) BR9904688A (pt)
DE (2) DE19848032A1 (pt)

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EP1254711A1 (de) 2001-05-05 2002-11-06 OMG AG & Co. KG Edelmetallhaltiger Trägerkatalysator und Verfahren zu seiner Herstellung
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JP5281221B2 (ja) * 2001-08-03 2013-09-04 トヨタ自動車株式会社 貴金属−卑金属合金系触媒とその評価および製造方法
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US6818720B2 (en) 2001-11-08 2004-11-16 Degussa Ag Supported hydrogenating catalyst in powder form
PL368203A1 (en) * 2001-11-08 2005-03-21 Degussa Ag Supported catalyst for hydrogenation of nitroaromatics
WO2003069706A2 (en) * 2002-02-12 2003-08-21 Symyx Technologies, Inc. FUEL CELL ELECTROCATALYST OF Pt-Rh-Mo-Ni/Fe
US7132188B2 (en) * 2002-04-04 2006-11-07 The Board Of Trustees Of The University Of Illinois Fuel cells and fuel cell catalysts
US7785728B2 (en) * 2002-04-04 2010-08-31 The Board Of Trustees Of The University Of Illinois Palladium-based electrocatalysts and fuel cells employing such electrocatalysts
US7282282B2 (en) * 2002-04-04 2007-10-16 The Board Of Trustees Of The University Of Illinois Organic fuel cells and fuel cell conducting sheets
US7740974B2 (en) 2002-04-04 2010-06-22 The Board Of Trustees Of The University Of Illinois Formic acid fuel cells and catalysts
WO2004058396A2 (en) * 2002-12-20 2004-07-15 Honda Giken Kogyo Kabushiki Kaisha Methods for the preparation of catalysts for hydrogen generation
WO2004058399A2 (en) * 2002-12-20 2004-07-15 Honda Giken Kogyo Kabushiki Kaisha Platinum and rhodium and/or iron containing catalyst formulations for hydrogen generation
KR100506091B1 (ko) * 2003-02-19 2005-08-04 삼성에스디아이 주식회사 연료전지의 캐소드용 촉매
JP4290524B2 (ja) 2003-10-23 2009-07-08 株式会社キャタラー 燃料電池用カソード触媒
JP2005235435A (ja) 2004-02-17 2005-09-02 Seiko Epson Corp 機能性材料層形成用組成物、機能性材料層の形成方法、燃料電池の製造方法、電子機器および自動車
US8541146B2 (en) * 2005-01-12 2013-09-24 Toyota Motor Engineering & Manufacturing North America, Inc. Photocatalytic methods for preparation of electrocatalyst materials
JP2006179427A (ja) * 2004-12-24 2006-07-06 Toyota Motor Corp 燃料電池用電極触媒及び燃料電池
US8609573B2 (en) 2005-01-12 2013-12-17 Toyota Motor Engineering & Manufacturing North America, Inc. Photocatalytic methods for preparation of electrocatalyst materials
JP2006253147A (ja) * 2005-03-09 2006-09-21 Samsung Sdi Co Ltd 陽イオン交換膜燃料電池用の電極触媒の製造方法
US20070003822A1 (en) * 2005-06-30 2007-01-04 Shyam Kocha Voltage cycling durable catalysts
US7892299B2 (en) * 2005-09-15 2011-02-22 Headwaters Technology Innovation, Llc Methods of manufacturing fuel cell electrodes incorporating highly dispersed nanoparticle catalysts
US8288308B2 (en) * 2006-08-30 2012-10-16 Umicore Ag & Co. Kg Core/shell-type catalyst particles and methods for their preparation
WO2008025751A1 (en) * 2006-08-30 2008-03-06 Umicore Ag & Co. Kg Core/shell-type catalyst particles comprising metal or ceramic core materials and methods for their preparation
WO2010048407A1 (en) * 2008-10-24 2010-04-29 Nanosys, Inc. Electrochemical catalysts for fuel cells
US20100304268A1 (en) * 2009-05-28 2010-12-02 Tetsuo Kawamura Ternary alloy catalysts for fuel cells
US20100304960A1 (en) * 2009-05-28 2010-12-02 Tetsuo Kawamura Alloy fuel cell catalysts
CN109921045B (zh) * 2017-12-12 2021-07-20 中国科学院大连化学物理研究所 一种以铂黑为载体的氧电极催化剂的制备与应用
KR20200079861A (ko) * 2018-12-26 2020-07-06 현대자동차주식회사 연료 전지용 탄소 담지형 금속 촉매의 열처리 방법 및 이로부터 제조되는 탄소 담지형 금속 촉매
JP7397309B2 (ja) * 2019-04-12 2023-12-13 日本製鉄株式会社 合金触媒の製造方法及び合金触媒
CN111167476B (zh) * 2020-01-20 2022-08-26 威海蓝谷材料分析研究院有限公司 一种碳载RhNi-Ni(OH)2复合析氢电催化剂的制备方法

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Also Published As

Publication number Publication date
JP2000123843A (ja) 2000-04-28
EP0994520A1 (de) 2000-04-19
ATE297599T1 (de) 2005-06-15
DE19848032A1 (de) 2000-04-20
US6165635A (en) 2000-12-26
DE59912140D1 (de) 2005-07-14
EP0994520B1 (de) 2005-06-08

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]