Solid electrolyte hydrocarbon gas sensor using zeolite as the sensitive phase

被引：21

作者：

Dubbe, A ^{[1
]}

Moos, R ^{[1
]}

机构：

[1] Univ Bayreuth, Chair Funct Mat, Fac Engn Sci, D-95440 Bayreuth, Germany

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2006年 / 9卷 / 05期

关键词：

D O I：

10.1149/1.2181292

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A Na+ ion conducting ZSM-5 zeolite is applied as the sensitive phase in a potentiometric gas sensor consisting of the cell Au/(Na2CO3,BaCO3)/zeolite/Au, where the Na2CO3/Au system serves as the reference electrode. The cell voltage shows a linear response to changes of the logarithm of propane partial pressure (200-4000 Pa) in CO2/O-2/N-2 at 673 K. The proposed mechanism assumes Na or Na+ activity changes in the zeolite pores due to hydrocarbon sorption. An independent effect is a weak response of the zeolite/Au electrode to O-2 and CO2 due to oxide and carbonate formation. (c) 2006 The Electrochemical Society.

引用

页码：H31 / H34

页数：4

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