Mixed potential type NO{sub x} sensor based on stabilized zirconia and oxide electrode
Journal Article
·
· Journal of the Electrochemical Society
- Kyushu Univ., Kasuga, Fukuoka (Japan)
- Riken Corp., Kumagaya, Saitama (Japan)
A new solid-state NO{sub x} sensor operative at high temperature was designed using stabilized zirconia and an oxide sensing electrode. Among the various oxides examined, CdMn{sub 2}O{sub 4} was found to be the most excellent material for NO{sub x} sensing at 500 C. The EMF values of the sensor were almost linear to the logarithm of NO{sub x} concentration with a positive slope for NO{sub 2} and a negative slope for NO. A nitrogen oxide sensing mechanism involving mixed potential was proposed based on the measurements of polarization curves.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 212141
- Journal Information:
- Journal of the Electrochemical Society, Journal Name: Journal of the Electrochemical Society Journal Issue: 2 Vol. 143; ISSN JESOAN; ISSN 0013-4651
- Country of Publication:
- United States
- Language:
- English
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