JPS5754852A - Oxygen concentration detector - Google Patents

Oxygen concentration detector

Info

Publication number
JPS5754852A
JPS5754852A JP55130420A JP13042080A JPS5754852A JP S5754852 A JPS5754852 A JP S5754852A JP 55130420 A JP55130420 A JP 55130420A JP 13042080 A JP13042080 A JP 13042080A JP S5754852 A JPS5754852 A JP S5754852A
Authority
JP
Japan
Prior art keywords
coating
porosity
electrode layers
3mum
solid electrolyte
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
JP55130420A
Other languages
Japanese (ja)
Other versions
JPS6346378B2 (en
Inventor
Mitsuo Kawai
Nobuo Hiroi
Kunio Yamakawa
Hideyuki Okinaka
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.)
Toyota Motor Corp
Panasonic Holdings Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp, Matsushita Electric Industrial Co Ltd filed Critical Toyota Motor Corp
Priority to JP55130420A priority Critical patent/JPS5754852A/en
Publication of JPS5754852A publication Critical patent/JPS5754852A/en
Publication of JPS6346378B2 publication Critical patent/JPS6346378B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4077—Means for protecting the electrolyte or the electrodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)

Abstract

PURPOSE:To provide excellent respondence and durability, by setting to a prescribed range porosity and the pore distribution in a heat-resistance metal oxide coating formed on the surface of an exhaust gas side electrode layer. CONSTITUTION:A stable zirconia sintered body, to which 5-10mol% of Y2O3 is added, is used as an oxygen ion conductive solid electrolyte 1, and this is formed into a bottomed tube-like shape, and Pt electrode layers 2a and 2b are formed on inside and outside circumferential surfaces of this solid electrolyte 1 by thermal decomposition process. These Pt electrode layers 2a and 2b are porous and have thicknesses ranging 3mum-4mum. MgO-Al2O3 spinel powder is applied by a plasma flame coating device onto the electrode layer 2a, which is on the exhaust gas side, of the Pt electrode layers, and this flame coating application is conducted in such a manner as to appropriately adjust condition and method, etc. of the flame coating so as to form a coating 3 of a prescribed porosity rate and pore distribution. The porosity is to range 2.5%-10%, and it is desirable that of gas permeable pores existing in the coating, the maximum diameter is 5mum and distribution of pores ranging 1mum-3mum in diameter is more than 80%.
JP55130420A 1980-09-18 1980-09-18 Oxygen concentration detector Granted JPS5754852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55130420A JPS5754852A (en) 1980-09-18 1980-09-18 Oxygen concentration detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55130420A JPS5754852A (en) 1980-09-18 1980-09-18 Oxygen concentration detector

Publications (2)

Publication Number Publication Date
JPS5754852A true JPS5754852A (en) 1982-04-01
JPS6346378B2 JPS6346378B2 (en) 1988-09-14

Family

ID=15033819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55130420A Granted JPS5754852A (en) 1980-09-18 1980-09-18 Oxygen concentration detector

Country Status (1)

Country Link
JP (1) JPS5754852A (en)

Also Published As

Publication number Publication date
JPS6346378B2 (en) 1988-09-14

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