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Abstract
The concentration or the partial pressure of oxygen in an environment can be determined using different measuring principles. For high temperature measurements of oxygen, ceramic-based sensors are the most practical. They are simple in construction, exploration and maintenance. A typical oxygen potentiometric sensor consists of an oxygen ion conducting solid electrolyte and two electrodes deposited on the two sides of the electrolyte. In this paper different structures of potentiometric oxygen sensors with a solid state reference electrode were fabricated and investigated. The fabricated structures consisted of oxygen ion conducting solid electrolyte from yttria stabilized zirconia, a sensing platinum electrode and nickel-nickel oxide reference electrode. The mixture of nickel-nickel oxide was selected as the reference electrode because it provides reliable electrochemical potential in contact with oxygen conducting electrolyte. To avoid oxidation of nickel the reference electrode is sealed from ambient and the mixture of nickel-nickel oxide was formed electrochemically from nickel oxide after sealing. The effectiveness of the sealing quality and the effectiveness of nickel–nickel oxide mixture formation was investigated by impedance spectroscopy.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/mms-2014-0018
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
Metrology and Measurement Systems
no. 21,
edition 2,
pages 205 - 216,
ISSN: 0860-8229 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Dunst K., Jasiński G., Jasiński P.: Potentiometric Oxygen Sensor with Solid State Reference Electrode// Metrology and Measurement Systems. -Vol. 21, iss. 2 (2014), s.205-216
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/mms-2014-0018
- Verified by:
- Gdańsk University of Technology
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