Mixed-potential-type NOx sensor based on YSZ and zinc oxide sensing electrode

被引：0
|
作者：
N. Miura
K. Akisada
J. Wang
S. Zhuiykov
T. Ono
机构：
[1] Kyushu University,Art, Science and Technology Center for Cooperative Research
[2] R&D Division,undefined
[3] Riken Corporation,undefined
来源：
Ionics | 2004年 / 10卷
关键词：
Oxide; Zinc; Zirconia; Catalytic Activity; Power Generation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electrochemical sensors using tubular yttria-stabilized zirconia (YSZ) and oxide sensing electrode (SE) were fabricated and examined for NOx detection at high temperatures. The mixed-potential-type NOx sensor using ZnO-SE gave the highest sensitivity to NOx among other single-type oxides tested as SEs in the temperature range of 600–700 °C. The response of the ZnO-attached device was a linear for the logarithm of NO2 (NO) concentrations from 40 to 450 ppm. The sensing mechanism of the sensor was discussed on the basis of the gas adsorption-desorption behavior, the catalytic activity data, and electrochemical behavior for oxides examined.
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页码：1 / 9
页数：8
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