EP0384194A3 - Dimensionally stable anodes and their use in the production of alkalidichromates and chromic acid - Google Patents

Dimensionally stable anodes and their use in the production of alkalidichromates and chromic acid Download PDF

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Publication number
EP0384194A3
EP0384194A3 EP19900102143 EP90102143A EP0384194A3 EP 0384194 A3 EP0384194 A3 EP 0384194A3 EP 19900102143 EP19900102143 EP 19900102143 EP 90102143 A EP90102143 A EP 90102143A EP 0384194 A3 EP0384194 A3 EP 0384194A3
Authority
EP
European Patent Office
Prior art keywords
aus
einem
dimensionally stable
ventilmetall
electro
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.)
Granted
Application number
EP19900102143
Other languages
German (de)
French (fr)
Other versions
EP0384194B1 (en
EP0384194A2 (en
Inventor
Helmut Dr. Klotz
Rainer Dr. Weber
Norbert Dr. Lönhoff
Hans-Dieter Dr. Block
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.)
Bayer AG
Original Assignee
Bayer 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6374469&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0384194(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG filed Critical Bayer AG
Publication of EP0384194A2 publication Critical patent/EP0384194A2/en
Publication of EP0384194A3 publication Critical patent/EP0384194A3/en
Application granted granted Critical
Publication of EP0384194B1 publication Critical patent/EP0384194B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/14—Alkali metal compounds
    • 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/22—Inorganic acids
    • 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

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Catalysts (AREA)

Abstract

Die Erfindung betrifft formstabile Anoden, bestehend aus

  • a) einem elektrisch leitfähigen Ventilmetall
  • b) einer leitfähigen Zwischenschicht und
  • c) einem Elektrodenüberzug aus einer electro­ katalytisch aktiven Substanz,
    • wobei die Zwischenschicht aus einem oder mehreren Edel­ metallen und/oder Edelmetallegierungen besteht, die durch galvanische Abscheidung aus edelmetallsalzhaltigen Schmel­ zen auf das Ventilmetall aufgebracht wurde. The invention relates to dimensionally stable anodes, consisting of
  • a) an electrically conductive valve metal
  • b) a conductive intermediate layer and
  • c) an electrode coating made of an electro-catalytically active substance,
    • wherein the intermediate layer consists of one or more noble metals and / or noble metal alloys, which was applied to the valve metal by galvanic deposition from noble metal salt-containing melts.

    EP90102143A 1989-02-18 1990-02-03 Dimensionally stable anodes and their use in the production of alkalidichromates and chromic acid Revoked EP0384194B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE3905082 1989-02-18
    DE3905082A DE3905082A1 (en) 1989-02-18 1989-02-18 STABLE ANODES AND THEIR USE IN THE PRODUCTION OF ALKALIDICHROMATES AND CHROME ACID

    Publications (3)

    Publication Number Publication Date
    EP0384194A2 EP0384194A2 (en) 1990-08-29
    EP0384194A3 true EP0384194A3 (en) 1991-06-05
    EP0384194B1 EP0384194B1 (en) 1994-03-09

    Family

    ID=6374469

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP90102143A Revoked EP0384194B1 (en) 1989-02-18 1990-02-03 Dimensionally stable anodes and their use in the production of alkalidichromates and chromic acid

    Country Status (14)

    Country Link
    US (1) US5128000A (en)
    EP (1) EP0384194B1 (en)
    JP (1) JP2641584B2 (en)
    KR (1) KR960016418B1 (en)
    AR (1) AR246311A1 (en)
    BR (1) BR9000721A (en)
    CA (1) CA2010221A1 (en)
    DD (1) DD298437A5 (en)
    DE (2) DE3905082A1 (en)
    ES (1) ES2050287T3 (en)
    MX (1) MX173097B (en)
    RU (1) RU1838450C (en)
    TR (1) TR26579A (en)
    ZA (1) ZA901196B (en)

    Families Citing this family (14)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO1997028293A1 (en) * 1996-02-01 1997-08-07 Motorola Inc. Composite multilayer electrodes for electrochemical cells
    FR2748495B1 (en) * 1996-05-13 1998-07-17 Electricite De France IMPROVED LONGEVITY ANODE AND MANUFACTURING METHOD THEREOF
    US7556722B2 (en) 1996-11-22 2009-07-07 Metzger Hubert F Electroplating apparatus
    US6217729B1 (en) 1999-04-08 2001-04-17 United States Filter Corporation Anode formulation and methods of manufacture
    US8298395B2 (en) 1999-06-30 2012-10-30 Chema Technology, Inc. Electroplating apparatus
    DE10029837B4 (en) * 2000-06-16 2005-02-17 Degussa Galvanotechnik Gmbh Process for the production of unilaterally platinated plates and expanded metal gratings of refractory metals
    JP4615847B2 (en) * 2003-11-25 2011-01-19 株式会社フルヤ金属 Corrosion resistant material and method for producing the same
    JP2008156684A (en) * 2006-12-22 2008-07-10 Tanaka Kikinzoku Kogyo Kk Anode electrode for hydrochloric acid electrolysis
    US7713401B2 (en) * 2007-08-08 2010-05-11 Battelle Energy Alliance, Llc Methods for performing electrochemical nitration reactions
    CN102046851B (en) * 2008-07-03 2013-01-02 旭化成化学株式会社 Cathode for hydrogen generation and method for producing the same
    US20110052896A1 (en) * 2009-08-27 2011-03-03 Shrisudersan Jayaraman Zinc Oxide and Cobalt Oxide Nanostructures and Methods of Making Thereof
    US20110086238A1 (en) * 2009-10-09 2011-04-14 Shrisudersan Jayaraman Niobium Nanostructures And Methods Of Making Thereof
    CN104593818B (en) * 2014-12-24 2017-04-26 中南大学 Titanium-based composite anode as well as preparation method and application thereof
    CN113355705B (en) * 2021-06-02 2022-05-03 建滔（连州）铜箔有限公司 Titanium anode plate for electrolytic copper foil and back treatment process

    Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2130576A1 (en) * 1971-03-20 1972-11-03 Conradty Fa C
    US4157943A (en) * 1978-07-14 1979-06-12 The International Nickel Company, Inc. Composite electrode for electrolytic processes
    EP0005674A2 (en) * 1978-05-19 1979-11-28 Roger Anger Process of manufacturing a dimensionally stable anode

    Family Cites Families (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3454478A (en) * 1965-06-28 1969-07-08 Ppg Industries Inc Electrolytically reducing halide impurity content of alkali metal dichromate solutions
    US3663414A (en) * 1969-06-27 1972-05-16 Ppg Industries Inc Electrode coating
    JPS5119429A (en) * 1974-08-09 1976-02-16 Oki Electric Ind Co Ltd FUSETSUKYOKUSHIKI BETSUHOSHIKI
    JPS5325838A (en) * 1976-08-23 1978-03-10 Matsushita Electric Ind Co Ltd Storage battery electrode plate
    KR840000994B1 (en) * 1979-05-29 1984-07-13 다이아몬드 샴락크 코오포레이션 Chromic acid production process using a thrce-compartment cell
    JPS5940914A (en) * 1982-08-31 1984-03-06 Mazda Motor Corp Vehicle attitude control device

    Patent Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2130576A1 (en) * 1971-03-20 1972-11-03 Conradty Fa C
    EP0005674A2 (en) * 1978-05-19 1979-11-28 Roger Anger Process of manufacturing a dimensionally stable anode
    US4157943A (en) * 1978-07-14 1979-06-12 The International Nickel Company, Inc. Composite electrode for electrolytic processes

    Also Published As

    Publication number Publication date
    ZA901196B (en) 1990-11-28
    TR26579A (en) 1995-03-15
    CA2010221A1 (en) 1990-08-18
    ES2050287T3 (en) 1994-05-16
    EP0384194B1 (en) 1994-03-09
    RU1838450C (en) 1993-08-30
    DD298437A5 (en) 1992-02-20
    BR9000721A (en) 1991-01-22
    KR960016418B1 (en) 1996-12-11
    DE59004842D1 (en) 1994-04-14
    JP2641584B2 (en) 1997-08-13
    EP0384194A2 (en) 1990-08-29
    JPH02247392A (en) 1990-10-03
    KR900013109A (en) 1990-09-03
    MX173097B (en) 1994-02-01
    AR246311A1 (en) 1994-07-29
    US5128000A (en) 1992-07-07
    DE3905082A1 (en) 1990-08-23

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