Effect of ordered arrangement of Ce and Zr ion on oxygen storage capacity of Ceria-Zirconia solid solution

被引：24

作者：

Suda, A ^{[1
]}

Ukyo, Y ^{[1
]}

Yamamura, K ^{[1
]}

Sobukawa, H ^{[1
]}

Sasaki, T ^{[1
]}

Sugiura, M ^{[1
]}

Tanabe, T ^{[1
]}

Nagai, Y ^{[1
]}

机构：

[1] Toyota Cent Res & Dev Labs Inc, Appl Catalysis Lab, Aichi 4801192, Japan

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2004年 / 112卷 / 1311期

关键词：

CeO2-ZrO2 solid solution; oxygen storage capacity (OSC); reduction; oxidation; specific surface area;

D O I：

10.2109/jcersj.112.586

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The CeO2-ZrO2 solid solution is the most important oxygen storage/release material for use in automobile catalysts. In particular, the ceria-zirconia solid solution with a pyrochlore structure exhibits the highest oxygen storage capacity (OSC). In this study, CeO2-ZrO2 solid solutions containing Y2O3 were synthesized and their OSCs were measured to clarify the influence of an ordered arrangement of Cc and Zr ions on the OSC. As a result of this study, it is concluded that an ordered arrangement of Cc and Zr ions markedly improves the OSC of CeO2-ZrO2 solid solutions.

引用

页码：586 / 589

页数：4

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