High temperature NOx sensor based on stabilized zirconia and ZnFe2O4 electrode

被引：0
|
作者：
Zhuiykov, S [1 ]
Muta, M [1 ]
Ono, T [1 ]
Kunimoto, A [1 ]
Yamazoe, N [1 ]
Miura, N [1 ]
机构：
[1] Kyushu Univ, Adv Sci & Technol Ctr Cooperat Res, Kasuga, Fukuoka 8168580, Japan
来源：
TRANSDUCERS '01: EUROSENSORS XV, DIGEST OF TECHNICAL PAPERS, VOLS 1 AND 2 | 2001年
关键词：
NOx sensor; mixed potential; oxide electrode;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Electrochemical sensors using tubular yttria-stabilized zirconia (YSZ) and the spinel-type oxide sensing-electrode (SE) were fabricated and examined for NOx detection at high temperatures. The ZnFe2O4-attached device gave a linear correlation between EMF and the logarithm of NO2 (NO) concentration from 50 ppm to 436 ppm in the temperature range 550-700 degreesC. This sensor was found to give the highest sensitivity to NO2 in air among the spinel-type oxides tested and reported to date. The sensing mechanism of the sensor was discussed on the basis of the catalytic activity and the TPD data for the oxides examined.
引用
收藏
页码：1730 / 1733
页数：4
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