Sodium ion conductor based sensor attached with NaNO2 for amperometric detection of NO2

被引：18

作者：

Miura, N

Iio, M

Lu, GY

Yamazoe, N

机构：

[1] Dept. of Mat. Science and Technology, Grad. School of Engineering Sciences, Kyushu University, Kasuga-shi

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1996年 / 143卷 / 10期

关键词：

D O I：

10.1149/1.1837158

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

An amperometric limiting current NO2 sensor was fabricated by combining a Na+ conductor (Na superionic conductor, NASICON) with NaNO2 (or NaNO3) layers. The device using NaNO2 gave a much higher NO2 sensitivity at 200 degrees C compared to that using NaNO3. The current response of the NaNO2-attached device was almost linear with the NO2 concentration in the range of 0 to 80 ppm. In addition, the selectivity of the device to NO2 was fairly high with respect to other gases which are usually coexistent in combustion exhausts. A sensing mechanism of the device is discussed briefly.

引用

收藏

页码：L241 / L243

页数：3

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