Methane oxidation on perovskite-type Ca(Mn1-xTix)O3-δ

被引：12

作者：

Taguchi, Hideki ^{[1
]}

Nakade, Katsuyuki ^{[2
]}

Yosinaga, Masashi ^{[2
]}

Kato, Masaki ^{[3
]}

Hirota, Ken ^{[3
]}

机构：

[1] Okayama Univ, Grad Sch Nat Sci & Technol Sci, Okayama 7008530, Japan

[2] Kyoto Prefecture Collaborat Reg Entities Advancem, Kyoto 6190237, Japan

[3] Doshisha Univ, Fac Engn, Kyoto 6100321, Japan

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2008年 / 91卷 / 01期

关键词：

D O I：

10.1111/j.1551-2916.2007.02028.x

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：

X-ray photoelectron spectroscopy was performed to elucidate the catalytic activity of CH4 oxidation on perovskite-type Ca(Mn1-xTix)O3-delta synthesized at 1173 K in a flow of oxygen from a gel with citric acid and ethylene glycol. The Mn ion content decreases and the ratio of the Mn3+ ion in the Mn ion increases with increases in x. Ca(Mn1-xTix)O3-delta has a high catalytic activity of CH4 oxidation at x=0.4. These results indicate that the catalytic activity strongly depends on the Mn3+ ion content of the surface.

引用

页码：308 / 310

页数：3

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