Influence of Three Diffusion Paths on the Pump Signal in ZrO2-Based NOx Sensor

Hai Qin Huang; Guang Yuan Xie; Yun Ming Gao; Ying Jun Pan

doi:10.4028/www.scientific.net/AMR.476-478.2181

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Influence of Three Diffusion Paths on the Pump...

Influence of Three Diffusion Paths on the Pump Signal in ZrO₂-Based NOx Sensor

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

2181-2187

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.2181

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Online since:

February 2012

Authors:

Hai Qin Huang, Guang Yuan Xie, Yun Ming Gao, Ying Jun Pan

Keywords:

Diffusion Path, NO_x Sensor, Oxygen Pump, Zro₂

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