New type of sulfur dioxide gas sensor based on trivalent Al3+ ion conducting solid electrolyte

被引：11
|
作者：
Inaba, Yuichi [1 ]
Tamura, Shinji [1 ]
Imanaka, Nobuhito [1 ]
机构：
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
来源：
SOLID STATE IONICS | 2008年 / 179卷 / 27-32期
关键词：
gas sensor; sulfur dioxide; solid electrolyte;
D O I：
10.1016/j.ssi.2007.11.029
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A new solid electrolyte type sulfur dioxide gas sensor was fabricated by the combination of the trivalent aluminum cation conducting (Al0.2Zr0.8)(20/19)Nb(PO4)(3) solid and the divalent oxide anion conducting yttria stabilized zirconia (YSZ) with the NaAl(SO4)(2) solid as a detecting auxiliary electrode. Since the present sensor showed such a superior sensing performance of theoretical response, which obeys the Nernst relationship between the sensor EMF output and the logarithm of the SO2 gas concentration, along with the stable, continuous, and reproducible response, it is greatly expected to be applied to a practical SO2 gas sensing device. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1625 / 1627
页数：3
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