CH616027A5 - - Google Patents

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Publication number
CH616027A5
CH616027A5 CH986774A CH986774A CH616027A5 CH 616027 A5 CH616027 A5 CH 616027A5 CH 986774 A CH986774 A CH 986774A CH 986774 A CH986774 A CH 986774A CH 616027 A5 CH616027 A5 CH 616027A5
Authority
CH
Switzerland
Prior art keywords
catalyst
powder
platinum
salt
solution
Prior art date
Application number
CH986774A
Other languages
German (de)
English (en)
Inventor
Fred Stanley Kemp
Michael Anthony George
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Publication of CH616027A5 publication Critical patent/CH616027A5/de

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
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • B01J37/0201—Impregnation
    • B01J37/0203—Impregnation the impregnation liquid containing organic compounds
    • 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
    • H01M2004/8684—Negative electrodes
    • 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
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • H01M2300/0008—Phosphoric acid-based
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0014—Alkaline 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

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)
CH986774A 1973-09-18 1974-07-18 CH616027A5 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00398356A US3857737A (en) 1973-09-18 1973-09-18 Sequential catalyzation of fuel cell supported platinum catalyst

Publications (1)

Publication Number Publication Date
CH616027A5 true CH616027A5 (da) 1980-02-29

Family

ID=23575069

Family Applications (1)

Application Number Title Priority Date Filing Date
CH986774A CH616027A5 (da) 1973-09-18 1974-07-18

Country Status (13)

Country Link
US (1) US3857737A (da)
JP (1) JPS5056545A (da)
BR (1) BR7407775D0 (da)
CA (1) CA1026424A (da)
CH (1) CH616027A5 (da)
DE (1) DE2441778A1 (da)
DK (1) DK488774A (da)
ES (1) ES429723A1 (da)
FR (1) FR2243730B1 (da)
GB (1) GB1475169A (da)
IT (1) IT1021446B (da)
NL (1) NL7411672A (da)
SE (1) SE7411613L (da)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044193A (en) * 1971-06-16 1977-08-23 Prototech Company Finely particulated colloidal platinum compound and sol for producing the same, and method of preparation of fuel cell electrodes and the like employing the same
USRE33149E (en) * 1971-06-16 1990-01-16 Prototech Company Finely particulated colloidal platinum compound and sol for producing the same and method of preparation of fuel cell electrodes and the like employing the same
JPS5249936A (en) * 1975-10-21 1977-04-21 Nippon Mining Co Nonnelectrolytic plating agent for metals of platinum group
US4210501A (en) * 1977-12-09 1980-07-01 General Electric Company Generation of halogens by electrolysis of hydrogen halides in a cell having catalytic electrodes bonded to a solid polymer electrolyte
US4177159A (en) * 1978-06-28 1979-12-04 United Technologies Corporation Catalytic dry powder material for fuel cell electrodes comprising fluorocarbon polymer and precatalyzed carbon
US4175055A (en) * 1978-06-28 1979-11-20 United Technologies Corporation Dry mix method for making an electrochemical cell electrode
US4313972A (en) * 1978-06-28 1982-02-02 United Technologies Corporation Dry method for making an electrochemical cell electrode
US4287232A (en) * 1978-06-28 1981-09-01 United Technologies Corporation Dry floc method for making an electrochemical cell electrode
US4185131A (en) * 1978-06-28 1980-01-22 United Technologies Corporation Screen printing method for making an electrochemical cell electrode
US4248682A (en) * 1979-09-27 1981-02-03 Prototech Company Carbon-cloth-based electrocatalytic gas diffusion electrodes, assembly and electrochemical cells comprising the same
US4293396A (en) * 1979-09-27 1981-10-06 Prototech Company Thin carbon-cloth-based electrocatalytic gas diffusion electrodes, and electrochemical cells comprising the same
US4272593A (en) * 1980-04-25 1981-06-09 Gte Laboratories Incorporated Electrochemical cell with improved cathode current collector
CA1163768A (en) * 1980-10-31 1984-03-20 Frank Solomon Electrode backing layer and method of preparing
FR2503937A1 (fr) * 1981-04-13 1982-10-15 Wonder Procede de fabrication d'electrodes minces, notamment d'electrodes a gaz, pour dispositifs electrochimiques et electrodes minces obtenues par ce procede
US4810594A (en) * 1987-05-14 1989-03-07 International Fuel Cells Corporation Fuel cell electrode and method of making and using same
US4851377A (en) * 1987-06-16 1989-07-25 International Fuel Cells Corporation Fuel cell, a fuel cell electrode, and a method for making a fuel cell electrode
US4808493A (en) * 1987-06-16 1989-02-28 International Fuel Cells Corporation Fuel cell, a fuel cell electrode, and a method for making a fuel cell electrode
US4937220A (en) * 1988-08-08 1990-06-26 International Fuel Cells Corporation Method to retard catalyst recrystallization
US6190428B1 (en) * 1996-03-25 2001-02-20 The United States Of America As Represented By The Secretary Of The Navy Electrochemical process for removing low-valent sulfur from carbon
US6492295B2 (en) * 2000-03-15 2002-12-10 Japan Storage Battery Co., Ltd. Composite catalyst for solid polymer electrolyte type fuel cell and processes for producing the same
US7087208B2 (en) * 2001-08-02 2006-08-08 Sampson Allison H Methods for making chlorous acid and chlorine dioxide
GB2403671B (en) * 2002-03-01 2005-09-14 Ngimat Co Fuel cell membranes and catalytic layers
US7691780B2 (en) * 2004-12-22 2010-04-06 Brookhaven Science Associates, Llc Platinum- and platinum alloy-coated palladium and palladium alloy particles and uses thereof
US9005331B2 (en) 2004-12-22 2015-04-14 Brookhaven Science Associates, Llc Platinum-coated non-noble metal-noble metal core-shell electrocatalysts
US7855021B2 (en) * 2004-12-22 2010-12-21 Brookhaven Science Associates, Llc Electrocatalysts having platium monolayers on palladium, palladium alloy, and gold alloy core-shell nanoparticles, and uses thereof
CN100463260C (zh) * 2005-05-14 2009-02-18 鸿富锦精密工业（深圳）有限公司 气体扩散电极及其制造方法
CN100441290C (zh) * 2005-11-10 2008-12-10 上海交通大学 碳纳米笼负载金属铂纳米粒子电极催化剂的制备方法
CN100443167C (zh) * 2006-11-02 2008-12-17 上海交通大学 分次还原沉积高分散性铂催化剂颗粒的方法
AU2011349151B8 (en) 2010-12-23 2015-07-09 Allison H. Sampson Method of preparing, storing, transporting and testing chlorine dioxide solutions
CN104475091A (zh) * 2014-12-17 2015-04-01 北京化工大学常州先进材料研究院 一种锂空气电池用Pt/石墨烯催化剂的制备方法
US11168005B2 (en) 2019-02-19 2021-11-09 Dripping Wet Water, Inc Conductivity control of aqueous chemical dosing in water treatment systems
US11142455B2 (en) 2019-06-05 2021-10-12 Dripping Wet Water, Inc. Pressurized catalytic production of dioxide species

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773844A (en) * 1953-06-12 1956-12-11 Shell Dev Method for making supported silver catalysts
US3287171A (en) * 1963-01-11 1966-11-22 Exxon Research Engineering Co Platinum-rhenium anodic oxidation catalyst
US3470019A (en) * 1965-02-04 1969-09-30 Matthey Bishop Inc Platinum coating composition,process and platinum-coated materials
US3423226A (en) * 1965-06-28 1969-01-21 Mc Donnell Douglas Corp Plating of non-metallic bodies
US3405007A (en) * 1965-10-22 1968-10-08 Standard Oil Co Fuel cell electrode and process for its manufacture
US3778295A (en) * 1972-03-08 1973-12-11 Atomic Energy Commission Chemical plating method of preparing radiation source material

Also Published As

Publication number Publication date
AU7291274A (en) 1976-03-11
FR2243730B1 (da) 1978-04-28
IT1021446B (it) 1978-01-30
SE7411613L (da) 1975-03-19
GB1475169A (en) 1977-06-01
CA1026424A (en) 1978-02-14
DK488774A (da) 1975-06-02
US3857737A (en) 1974-12-31
FR2243730A1 (da) 1975-04-11
DE2441778A1 (de) 1975-03-20
BR7407775D0 (pt) 1975-07-29
ES429723A1 (es) 1976-10-01
JPS5056545A (da) 1975-05-17
NL7411672A (nl) 1975-03-20

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PL Patent ceased