DE2630092A1 - Prodn. of mixed manganese-lead dioxide - having high electrochemical and catalytic activity - Google Patents

Prodn. of mixed manganese-lead dioxide - having high electrochemical and catalytic activity

Info

Publication number
DE2630092A1
DE2630092A1 DE19762630092 DE2630092A DE2630092A1 DE 2630092 A1 DE2630092 A1 DE 2630092A1 DE 19762630092 DE19762630092 DE 19762630092 DE 2630092 A DE2630092 A DE 2630092A DE 2630092 A1 DE2630092 A1 DE 2630092A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
mn
mixed
pb
soln
dioxide
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.)
Pending
Application number
DE19762630092
Other languages
German (de)
Inventor
Peter Dipl Chem Faber
Jean Prof Brenet
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.)
RHEIN WESTFAEL ELECT WERK AG
RHEINISCH-WESTFAELISCHES ELEKTRIZITAETSWERK AG
Original Assignee
RHEIN WESTFAEL ELECT WERK AG
RHEINISCH-WESTFAELISCHES ELEKTRIZITAETSWERK AG
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

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/9016Oxides, hydroxides or oxygenated metallic salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32Manganese, technetium or rhenium
    • B01J23/34Manganese
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of or comprising active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides

Abstract

Electrochemically and catalytically active substance is produced by introducing O3 into an aq. soln. contg. (CH3COO)2Mn and (CH3COO)2Pb at 70 degrees C or more, whereby a mixed dioxide of Mn and Pb is precipitated. A Mn-Pb dioxide is much more active than the same quantity of physically mixed MnO2 and PbO2. Specifically, the molar ratio Mn:Pb can be 1000:1 to 1:1000. The total concn. of Mn (II) and PB(II) acetates in the aq. soln. is between 2 wt.% and the saturation concn. The O3 concn. is 20% w.r.t. the soln. The pptd. mixed Mn-Pb dioxide is washed and dried at 120 degrees C in the air or at 70 degrees C under vacuum. The mixed oxide can be additionally treated with conc. HNO3, pref. at the boiling temp. The starting soln. may contain up to 1% of an acetate of Na, K, Li, Co, NH4, Ag, Ni, Cu or Cr which promotes the reaction.
DE19762630092 1976-07-03 1976-07-03 Prodn. of mixed manganese-lead dioxide - having high electrochemical and catalytic activity Pending DE2630092A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19762630092 DE2630092A1 (en) 1976-07-03 1976-07-03 Prodn. of mixed manganese-lead dioxide - having high electrochemical and catalytic activity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762630092 DE2630092A1 (en) 1976-07-03 1976-07-03 Prodn. of mixed manganese-lead dioxide - having high electrochemical and catalytic activity

Publications (1)

Publication Number Publication Date
DE2630092A1 true true DE2630092A1 (en) 1978-01-05

Family

ID=5982198

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762630092 Pending DE2630092A1 (en) 1976-07-03 1976-07-03 Prodn. of mixed manganese-lead dioxide - having high electrochemical and catalytic activity

Country Status (1)

Country Link
DE (1) DE2630092A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013572A2 (en) * 1979-01-15 1980-07-23 Diamond Shamrock Technologies S.A. Oxygen depolarized cathode and its use in electrolysis
EP0147033A1 (en) * 1983-11-02 1985-07-03 Ford Motor Company Limited Method of making a manganese compound
WO2000067337A1 (en) * 1999-05-03 2000-11-09 The Gillette Company Alkaline cell with improved cathode

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013572A2 (en) * 1979-01-15 1980-07-23 Diamond Shamrock Technologies S.A. Oxygen depolarized cathode and its use in electrolysis
EP0013572A3 (en) * 1979-01-15 1980-08-06 Diamond Shamrock Technologies S.A. Electrocatalyst, electrode comprising the electrocatalyst, use of the electrode and electrolysis process
EP0147033A1 (en) * 1983-11-02 1985-07-03 Ford Motor Company Limited Method of making a manganese compound
WO2000067337A1 (en) * 1999-05-03 2000-11-09 The Gillette Company Alkaline cell with improved cathode

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Legal Events

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