ES2125526T3 - Catalizador de aleacion de platino para pilas de combustible y procedimiento para su preparacion. - Google Patents

Catalizador de aleacion de platino para pilas de combustible y procedimiento para su preparacion.

Info

Publication number
ES2125526T3
ES2125526T3 ES95110388T ES95110388T ES2125526T3 ES 2125526 T3 ES2125526 T3 ES 2125526T3 ES 95110388 T ES95110388 T ES 95110388T ES 95110388 T ES95110388 T ES 95110388T ES 2125526 T3 ES2125526 T3 ES 2125526T3
Authority
ES
Spain
Prior art keywords
fuel cells
procedure
platinum alloy
preparation
alloy catalyst
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.)
Expired - Lifetime
Application number
ES95110388T
Other languages
English (en)
Inventor
Reinhold Dr Brand
Andreas Dr Freund
Jutta Dr Lang
Thomas Dr Lehmann
Johannes Dr Ohmer
Thomas Dr Tacke
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of ES2125526T3 publication Critical patent/ES2125526T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01J23/8933—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8993—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Catalysts (AREA)
  • Inert Electrodes (AREA)

Abstract

LA INVENCION SE REFIERE A UN CATALIZADOR DE ALEACION DE PLATINO TERCIARIA (PLATINO-COBALTO-CROMO) SOBRE UN SOPORTE DE CARBONO CON CAPACIDAD CONDUCTORA PARA UTILIZACION EN CELDAS DE COMBUSTIBLE. PARA LA ELABORACION DEL CATALIZADOR SE UTILIZA COMO ETAPAS PREVIAS DE LOS COMPONENTES DE ALEACION SALES DE NITRATO Y TODOS LOS COMPONENTES DE ALEACION SE SEPARAN DE FORMA CONJUNTA SOBRE EL SOPORTE DE CARBON. ESTA FORMA PREVISTA SUMINISTRA CATALIZADORES ESTABLES AL ENVEJECIMIENTO CON ALTA ACTIVIDAD DE MASA-OXIGENO.
ES95110388T 1994-07-29 1995-07-04 Catalizador de aleacion de platino para pilas de combustible y procedimiento para su preparacion. Expired - Lifetime ES2125526T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4426973A DE4426973C1 (de) 1994-07-29 1994-07-29 Verfahren zur Herstellung eines als Brennstoffzellenelektrode einsetzbaren Plattinlegierungskatalysators

Publications (1)

Publication Number Publication Date
ES2125526T3 true ES2125526T3 (es) 1999-03-01

Family

ID=6524493

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95110388T Expired - Lifetime ES2125526T3 (es) 1994-07-29 1995-07-04 Catalizador de aleacion de platino para pilas de combustible y procedimiento para su preparacion.

Country Status (7)

Country Link
US (1) US5489563A (es)
EP (1) EP0694982B1 (es)
JP (1) JPH0857317A (es)
AT (1) ATE172326T1 (es)
DE (2) DE4426973C1 (es)
DK (1) DK0694982T3 (es)
ES (1) ES2125526T3 (es)

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US7316855B2 (en) * 2001-06-01 2008-01-08 Polyfuel, Inc. Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device
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CN105594035B (zh) * 2013-08-09 2018-07-06 日产自动车株式会社 催化剂颗粒及使用其的电极催化剂、电解质膜-电极接合体和燃料电池
KR20170034255A (ko) 2015-09-18 2017-03-28 대구대학교 산학협력단 비대칭 코어-쉘 나노입자 구조에 기반한 산소환원용 전극촉매 및 그 제조방법
KR102183156B1 (ko) 2018-06-22 2020-11-25 대구대학교 산학협력단 비대칭 코어-쉘 나노입자 구조에 기반한 산소환원용 전극촉매 및 그 제조방법
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Also Published As

Publication number Publication date
DE59503910D1 (de) 1998-11-19
EP0694982B1 (de) 1998-10-14
DK0694982T3 (da) 1999-06-23
US5489563A (en) 1996-02-06
JPH0857317A (ja) 1996-03-05
DE4426973C1 (de) 1996-03-28
EP0694982A1 (de) 1996-01-31
ATE172326T1 (de) 1998-10-15

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