Peculiarity of NO decomposition by electrochemical cell with a mixed oxide working electrode

被引：30

作者：

Bredikhin, S ^{[1
]}

Maeda, K

Awano, M

机构：

[1] Fine Ceram Res Assoc, Synergy Ceram Lab, Nagoya, Aichi 4638687, Japan

[2] NIRIN, Nagoya, Aichi 4638687, Japan

[3] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2001年 / 148卷 / 10期

关键词：

D O I：

10.1149/1.1399278

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The decomposition activity was measured on nonsymmetric electrochemical cell oxide (cathode) yttria-stabilized zircoma (YSZ) (anode) by applying dc voltage lower then 3.5 V in the temperature range from 550 to 700 degreesC. It was found that covering the Pt cathode by a mixture of oxygen ionic conductor (YSZ) and electronic conductor (NiO) increased the NO decomposition even in the presence of excess oxygen. The microstructure of YSZ-NiO mixed oxide electrodes was investigated depending on the mixed oxide electrode sintering temperature. A strong correlation between the microstructure of the mixed oxide electrode and the conversion rate of NO decomposition was observed and investigated. A mechanism for the NO decomposition is proposed and discussed. (C) 2001 The Electrochemical Society.

引用

页码：D133 / D138

页数：6

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