Electrode kinetic study of silver-ion doping effect in solid-electrolyte potentiometric carbon dioxide gas sensor

被引：7

作者：

Dubbe, A ^{[1
]}

Wiemhofer, HD ^{[1
]}

Sadaoka, Y ^{[1
]}

机构：

[1] UNIV MUNSTER,INST INORGAN CHEM,D-48149 MUNSTER,GERMANY

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1997年 / 144卷 / 03期

关键词：

D O I：

10.1149/1.1837511

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A kinetic study of Ag electrodes on Na2CO3/BaCO3 solid electrolyte using pressure modulation and electrochemical impedance spectroscopy reveals that the response to CO2/O-2 partial pressure changes is determined by a combination of a reaction process and subsequent diffusion of Ag+ ions into the carbonate. This Ag+ ion doping is assumed to enhance CO2 exchange kinetics at the carbonate/electrode interface and to be responsible for the observed improved CO2 gas-sensing performance.

引用

页码：943 / 947

页数：5

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