JPS5754853A - Manufacture of oxygen concentration detector - Google Patents
Manufacture of oxygen concentration detectorInfo
- Publication number
- JPS5754853A JPS5754853A JP55130926A JP13092680A JPS5754853A JP S5754853 A JPS5754853 A JP S5754853A JP 55130926 A JP55130926 A JP 55130926A JP 13092680 A JP13092680 A JP 13092680A JP S5754853 A JPS5754853 A JP S5754853A
- Authority
- JP
- Japan
- Prior art keywords
- coating
- grain diameter
- diameter
- powder
- exhaust gas
- 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
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 using metallic oxide powder, whose grain diameter is within a prescribed range, of a heat-resistant metal oxide coating formed on the surface of an electrode layer on the exhaust gas side. 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. Onto the electrode layer 2a, which is on the exhaust gas side, of the Pt electrode layers, MgO-Al2O3 spinel powder composed of grains of a prescribed diameter is applied by a plasma flame coating device to form a coating 3. The powder to be used for forming this coating 3 is to have such a characteristic that more than 90wt% of total grain diameter component as the metallic oxide powder stay within a range of 20-35mum in diameter and that when cumulative frequency distribution curve of the power is expressed by wt% of cumulative residual component, the ratio between 95% of cumulative residual component and 5% of grain diameter becomes less than 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55130926A JPS5754853A (en) | 1980-09-19 | 1980-09-19 | Manufacture of oxygen concentration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55130926A JPS5754853A (en) | 1980-09-19 | 1980-09-19 | Manufacture of oxygen concentration detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5754853A true JPS5754853A (en) | 1982-04-01 |
| JPS6127707B2 JPS6127707B2 (en) | 1986-06-26 |
Family
ID=15045952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55130926A Granted JPS5754853A (en) | 1980-09-19 | 1980-09-19 | Manufacture of oxygen concentration detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5754853A (en) |
-
1980
- 1980-09-19 JP JP55130926A patent/JPS5754853A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6127707B2 (en) | 1986-06-26 |
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