JPS5466888A - Production of electrode for oxygen sensor - Google Patents

Production of electrode for oxygen sensor

Info

Publication number
JPS5466888A
JPS5466888A JP13370477A JP13370477A JPS5466888A JP S5466888 A JPS5466888 A JP S5466888A JP 13370477 A JP13370477 A JP 13370477A JP 13370477 A JP13370477 A JP 13370477A JP S5466888 A JPS5466888 A JP S5466888A
Authority
JP
Japan
Prior art keywords
platinum
copper
solid electrolyte
catalyzer
immersing
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
JP13370477A
Other languages
Japanese (ja)
Inventor
Toshiaki Hashiguchi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP13370477A priority Critical patent/JPS5466888A/en
Publication of JPS5466888A publication Critical patent/JPS5466888A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Oxygen Concentration In Cells (AREA)

Abstract

PURPOSE: To enlarge the contact surface area with solid electrolyte, to increase the effect of catalyzer, and to enhance the durability by affixing copper to element surface by electroless plating, immersing in aqueous solution of hydrochloric acid of platinum chloride, and then electro-plating.
CONSTITUTION: An element made of solid electrolyte possessing oxygen ion conducting property is immersed in hydrofluoric acid solution, and the surface is roughened by etching. Then, by electroless plating of copper, the copper is affixed on the surface of the element. Immersing in aqueous solution of platinum chloride, the copper is substituted with the platinum, and the platinum is formed on the surface of the element. By repeating this process several times until the resistance of the electrode surface becomes, for instance, 10 Ω/cm, the platinum is electro-plated. By this, the platinum penetrates into the inside of the element, and the contact surface area with the solid electrolyte is enlarged. At the same time, the effect of the catalyzer is increased, and the durability at high temperature may be also enhanced.
COPYRIGHT: (C)1979,JPO&Japio
JP13370477A 1977-11-07 1977-11-07 Production of electrode for oxygen sensor Pending JPS5466888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13370477A JPS5466888A (en) 1977-11-07 1977-11-07 Production of electrode for oxygen sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13370477A JPS5466888A (en) 1977-11-07 1977-11-07 Production of electrode for oxygen sensor

Publications (1)

Publication Number Publication Date
JPS5466888A true JPS5466888A (en) 1979-05-29

Family

ID=15110930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13370477A Pending JPS5466888A (en) 1977-11-07 1977-11-07 Production of electrode for oxygen sensor

Country Status (1)

Country Link
JP (1) JPS5466888A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6544586B1 (en) 1998-02-16 2003-04-08 Ngk Spark Plug Co. Ltd. Method for manufacturing gas sensor element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6544586B1 (en) 1998-02-16 2003-04-08 Ngk Spark Plug Co. Ltd. Method for manufacturing gas sensor element

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