GB992350A - Electrochemical cells and manufacture of electrodes therefor - Google Patents

Electrochemical cells and manufacture of electrodes therefor

Info

Publication number
GB992350A
GB992350A GB48935/62A GB4893562A GB992350A GB 992350 A GB992350 A GB 992350A GB 48935/62 A GB48935/62 A GB 48935/62A GB 4893562 A GB4893562 A GB 4893562A GB 992350 A GB992350 A GB 992350A
Authority
GB
United Kingdom
Prior art keywords
alloy
metal
contain
metals
cathode
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
Application number
GB48935/62A
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.)
Orica Ltd
Original Assignee
Imperial Chemical Industries of Australia and New Zealand Ltd
ICI Australia Ltd
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
Priority claimed from AU363/61A external-priority patent/AU262449B2/en
Application filed by Imperial Chemical Industries of Australia and New Zealand Ltd, ICI Australia Ltd filed Critical Imperial Chemical Industries of Australia and New Zealand Ltd
Publication of GB992350A publication Critical patent/GB992350A/en
Expired legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
    • 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
    • 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
    • C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)

Abstract

An electrochemical cell, wherein H1 is evolved at the cathode or wherein a fuel gas is absorbed at the cathode to produce electrical energy, contains a cathode which comprises a support formed from Fe or steel, a portion or the whole of the surface of which is conductively covered by a coating of an alloy consisting of Mo and one or two of the metals Fe, Co and Ni or consisting of W and either Fe or Co or two of the metals Fe, Co and Ni. The electrode may be used in the electrolysis of aqueous alkali metal halide to produce H2, Cl2 and caustic alkali or a chlorate or in the electrolysis of alkali metal iodide to produce iodate. The electrode may be in the form of wire, tube, rod, planar or curved sheet, perforated sheet, expanded metal, foraminous metal, gauze, porous, compacted or fused metal powder. Binary alloys of Mo/Co or Mo/Fe contain 5-70% Mo, of W/Co contain 5-66% W, of W/Fe contain 5-60% W, and of Mo/Ni contain 5-65% Mo. Ternary alloys contain 5-60% Mo or W. The alloy may be applied to the support by electroplating; by sintering a mixture of the powdered alloy metals under the application of heat, with or without pressure; by roll bonding; vacuum depositing; metal spraying or rolling the powdered alloy or a mixture of the powdered metals on to the metal sheet; or by painting a metallizing solution of the alloy on to a metal sheet and subsequently firing, where the metals of the alloy coating are applied in a finely divided form in an organic solvent resin system. Prior to electroplating the Fe or steel support may be degreased and treated with HCl. For electroplating W alloys, either WO3 or a soluble tungstate is used together with a salt of the codepositing metal. Hydroxy organic acids, e.g. citric or tartaric, or their Na and K salts may be added to complex the Fe group metals, NH4Cl and (NH4)2SO4 may be added and some baths also comprise NaCl or KCl. Mo alloy plating baths are similar to the W plating baths with MoO3 or a soluble molybdate replacing the analagous W compounds. The pH may be adjusted with NH4OH or NaOH solutions. Some baths may contain Na4P2O7, NaHCO3 and N2H4.H2SO4. Laboratory experiments using the electrodes are carried out in a glass vessel with a graphite anode and an interchangeable cathode separated by a permeable porous polyethylene diaphragm.
GB48935/62A 1961-01-13 1962-12-28 Electrochemical cells and manufacture of electrodes therefor Expired GB992350A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU363/61A AU262449B2 (en) 1961-01-13 Electrodes
AU12789/61A AU266236B2 (en) 1961-12-28 Electrodes

Publications (1)

Publication Number Publication Date
GB992350A true GB992350A (en) 1965-05-19

Family

ID=25608701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48935/62A Expired GB992350A (en) 1961-01-13 1962-12-28 Electrochemical cells and manufacture of electrodes therefor

Country Status (1)

Country Link
GB (1) GB992350A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288572B (en) * 1965-12-30 1969-02-06 Basf Ag Cathodic reduction of nitrous gases and / or nitric acid with electrodes containing titanium and / or tungsten
WO1980000715A1 (en) * 1978-09-21 1980-04-17 British Petroleum Co Electrodes containing nickel alloys as electrocatalysts
GB2190399A (en) * 1986-05-02 1987-11-18 Nat Res Dev Multi-metal electrode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288572B (en) * 1965-12-30 1969-02-06 Basf Ag Cathodic reduction of nitrous gases and / or nitric acid with electrodes containing titanium and / or tungsten
WO1980000715A1 (en) * 1978-09-21 1980-04-17 British Petroleum Co Electrodes containing nickel alloys as electrocatalysts
GB2190399A (en) * 1986-05-02 1987-11-18 Nat Res Dev Multi-metal electrode

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