Sensitive amperometric NO sensor using LaGaO3-based oxide ion conducting electrolyte

被引：6

作者：

Dutta, A ^{[1
]}

Ishihara, T ^{[1
]}

机构：

[1] Kyushu Univ, Dept Appl Chem, Higashi Ku, Fukuoka 8128581, Japan

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2005年 / 8卷 / 05期

关键词：

D O I：

10.1149/1.1883872

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A solid-state amperometric NO sensor was investigated. High sensitivity was observed with the sensor consisting of La0.5Sr0.5MnO3 and La0.4Sr0.6Mn0.8Ni0.2O3 as inactive and active electrodes to NO oxidation, respectively, and La0.8Sr0.2Ga0.8Mg0.1Ni0.1O3 as electrolyte. The sensor characteristics were studied in the temperature range 773-973 K and the highest sensitivity was found above 1800 mu A/decade at 823 K. Because the current output of this sensor was little affected by coexisting gases, e.g., CO, H-2, C3H6, CO2, H2O, and NO2, it is expected that this sensor can detect NO in exhaust gas selectively. (C) 2005 The Electrochemical Society.

引用

页码：H46 / H48

页数：3

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