Influence of three diffusion paths on the pump signal in ZrO2-based NOx sensor

被引：0
|
作者：
Huang, Haiqin [1 ]
Xie, Guangyuan [1 ]
Gao, Yunming [1 ]
Pan, Yingjun [1 ]
机构：
[1] Wuhan Univ Sci & Technol, Wuhan 430081, Peoples R China
来源：
NEW MATERIALS AND PROCESSES, PTS 1-3 | 2012年 / 476-478卷
关键词：
diffusion path; NOx sensor; oxygen pump; ZrO2;
D O I：
10.4028/www.scientific.net/AMR.476-478.2181
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A thick film ZrO2-based NOx sensor feasible for diesel and gasoline engine applications has three diffusion paths, the size of paths has a great influence on sensor signal output. This paper studies the relationship between the pump current signal and the size of paths, the manufacture of NOx sensors of varied path sizes by the method of filling organics and then sintering at a high temperature to form a stable path, and detections of the sensors in a standard gas chamber. Then matching sizes of three paths are obtained.
引用
收藏
页码：2181 / 2187
页数：7
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