GB1249300A - Electrodes for electrochemical processes - Google Patents

Electrodes for electrochemical processes

Info

Publication number
GB1249300A
GB1249300A GB0566/68A GB156668A GB1249300A GB 1249300 A GB1249300 A GB 1249300A GB 0566/68 A GB0566/68 A GB 0566/68A GB 156668 A GB156668 A GB 156668A GB 1249300 A GB1249300 A GB 1249300A
Authority
GB
United Kingdom
Prior art keywords
glaze
coating
inorganic
electrode material
electrode
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
GB0566/68A
Inventor
Denis Lee
Anthony Scrutton
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB0566/68A priority Critical patent/GB1249300A/en
Priority to AT1220868A priority patent/AT284867B/en
Priority to BE725634D priority patent/BE725634A/xx
Priority to NL6818310A priority patent/NL6818310A/xx
Priority to FI683697A priority patent/FI51112C/en
Priority to FR1604045D priority patent/FR1604045A/fr
Priority to DE19681816820 priority patent/DE1816820A1/en
Priority to CH1930668A priority patent/CH505915A/en
Priority to ES361889A priority patent/ES361889A1/en
Publication of GB1249300A publication Critical patent/GB1249300A/en
Expired legal-status Critical Current

Links

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
    • 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
    • C25B11/093—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 at least one noble metal or noble metal oxide and at least one non-noble metal oxide

Landscapes

  • Chemical & Material Sciences (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)

Abstract

1,249,300. Glazing. IMPERIAL CHEMI. CAL INDUSTRIES Ltd. 2 Dec., 1968 [27 Dec., 1967; 11 Jan., 1968], Nos. 58669/67 and 1566/68. Heading ClM. [Also in Division C7] An electrode, which may be used as an anode in a Hg cathode cell for the electrolysis of brine, comprises a support material in the form of a "valve metal" carrying on at least a part of its surface a layer of an "operative electrode material" in combination with an "inorganic glaze". "Valve metal" means Ti, Zr, Nb, Ta, W or an alloy comprising more than 50% by weight of one of these metals. "Operative electrode material" means an electroconducting material which is active in transferring electrons to or from the ions of an electrolyte and which is resistant to electrochemical attack. The material may be a platinum metal (i.e. Pt, Rh, Ir, Ru, Os, Pd or an alloy of two or more of these metals) and/or oxides thereof. "Inorganic glaze" means an inorganic oxide or a combination of such oxides which has been laid down by solidification in the vitreous condition from the molten state. The electrode may be made by depositing on the valve metal a coating of the operative electrode material, applying over the coating a layer of an inorganic glazing composition and melting the glaze. Alternatively, both the operative electrode material and the glazing composition may be deposited in a single step from a suspension containing particles thereof. The glaze may comprise silica, titania and zirconia. The glaze may be produced by coating the electrode with an aqueous sodium silicate solution optionally containing titania and then firing the coating. In an example, Ti was etched in oxalic acid; coated with Ru by painting on a mixture containing ruthenium chloride, isopropyi alcohol and, as reducing agent, linalool and then heating at 300‹ C. in air to dry; the Ru coated Ti was then heated in air at 450‹ C. to oxidize at least the outermost part of the Ru layer; glass enamelling slip was applied and melted by heating at 590‹ C. The slip consisted of PbO, B 2 O 3 , SiO 2 , CdO, Na 2 O, kaolin and H 2 O.
GB0566/68A 1967-12-27 1968-01-11 Electrodes for electrochemical processes Expired GB1249300A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB0566/68A GB1249300A (en) 1967-12-27 1968-01-11 Electrodes for electrochemical processes
AT1220868A AT284867B (en) 1967-12-27 1968-12-16 Electrodes, in particular for mercury cathode cells, and methods for producing these electrodes
BE725634D BE725634A (en) 1967-12-27 1968-12-18
NL6818310A NL6818310A (en) 1967-12-27 1968-12-19
FI683697A FI51112C (en) 1967-12-27 1968-12-23 Anode, intended for use in an amalgam cell in alkali chloride electrolysis.
FR1604045D FR1604045A (en) 1967-12-27 1968-12-23
DE19681816820 DE1816820A1 (en) 1967-12-27 1968-12-24 Electrodes for electrochemical processes
CH1930668A CH505915A (en) 1967-12-27 1968-12-24 Electrode for electrochemical operations, method of manufacturing this electrode
ES361889A ES361889A1 (en) 1967-12-27 1968-12-27 Electrodes for electrochemical processes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5866967 1967-12-27
GB0566/68A GB1249300A (en) 1967-12-27 1968-01-11 Electrodes for electrochemical processes

Publications (1)

Publication Number Publication Date
GB1249300A true GB1249300A (en) 1971-10-13

Family

ID=26236831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0566/68A Expired GB1249300A (en) 1967-12-27 1968-01-11 Electrodes for electrochemical processes

Country Status (9)

Country Link
AT (1) AT284867B (en)
BE (1) BE725634A (en)
CH (1) CH505915A (en)
DE (1) DE1816820A1 (en)
ES (1) ES361889A1 (en)
FI (1) FI51112C (en)
FR (1) FR1604045A (en)
GB (1) GB1249300A (en)
NL (1) NL6818310A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2245709A1 (en) * 1971-09-16 1973-04-19 Ici Ltd ELECTRODES FOR ELECTROCHEMICAL PROCESSES
WO2018002588A1 (en) * 2016-06-29 2018-01-04 Johnson Matthey Public Limited Company Electrode

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711382A (en) * 1970-06-04 1973-01-16 Ppg Industries Inc Bimetal spinel surfaced electrodes
US3804740A (en) * 1972-02-01 1974-04-16 Nora Int Co Electrodes having a delafossite surface
US4042484A (en) * 1972-10-19 1977-08-16 Gerhard Thiele Metal anode for electro-chemical processes
DE2944814A1 (en) * 1979-11-06 1981-05-14 Vladimir Borisovič Busse-Mačukas Electrode for electrochemical process - with metal support pasted with mixt. of same metal oxide, silica and platinum gp. metal oxide
DE3112739A1 (en) * 1981-03-31 1982-10-07 Bosch Gmbh Robert Electrode of stable structure for solid-state electrolytes for electrochemical applications, and use of such an electrode in electrochemical sensors for determining the oxygen content in gases
US4470893A (en) * 1981-06-01 1984-09-11 Asahi Glass Company Ltd. Method for water electrolysis
CN111204977A (en) * 2020-01-23 2020-05-29 福建省德化县尚品陶瓷有限公司 Self-cleaning nano ceramic glaze convenient to clean and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2245709A1 (en) * 1971-09-16 1973-04-19 Ici Ltd ELECTRODES FOR ELECTROCHEMICAL PROCESSES
WO2018002588A1 (en) * 2016-06-29 2018-01-04 Johnson Matthey Public Limited Company Electrode
CN109415826A (en) * 2016-06-29 2019-03-01 庄信万丰股份有限公司 Electrode
CN109415826B (en) * 2016-06-29 2022-01-04 庄信万丰股份有限公司 Electrode for electrochemical cell
US11427483B2 (en) 2016-06-29 2022-08-30 Johnson Matthey Public Limited Company Electrode

Also Published As

Publication number Publication date
BE725634A (en) 1969-06-18
FI51112C (en) 1976-10-11
AT284867B (en) 1970-10-12
DE1816820A1 (en) 1969-08-21
CH505915A (en) 1971-04-15
FI51112B (en) 1976-06-30
ES361889A1 (en) 1971-01-01
NL6818310A (en) 1969-07-01
FR1604045A (en) 1971-06-28

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