Pt-Ir-SnO2/C Electrocatalysts for Ethanol Oxidation in Acidic Media

被引：20
|
作者：
Zhao Lianhua [1 ,2 ]
Mitsushima, Shigenori [2 ]
Ishihara, Akimitsu [2 ]
Matsuzawa, Koichi [2 ]
Ota, Ken-ichiro [2 ]
机构：
[1] Yanbian Univ, Coll Sci, Dept Chem, Yanji 133002, Jilin, Peoples R China
[2] Yokohama Natl Univ, Grad Sch Engn, Yokohama, Kanagawa 2408501, Japan
来源：
CHINESE JOURNAL OF CATALYSIS | 2011年 / 32卷 / 12期
关键词：
platinum; iridium; tin oxide; carbon; supported catalyst; ethanol; electro-oxidation; direct ethanol fuel cell; ELECTROOXIDATION; CATALYSTS; PT/C;
D O I：
10.1016/S1872-2067(10)60297-5
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of Pt-Ir-SnO2/C catalysts were synthesized by a modified Bonnemann method. An electrochemical study showed that the Pt-Ir-0.07-SnO2/C catalyst had a three times higher ethanol oxidation current and a two times higher CO2 formation selectivity compared with the Pt/C catalyst under an application voltage of 0.5 V vs the RHE at 25 degrees C. This demonstrates that the Pt-Ir-0.07-SnO2/C catalyst is a potentially ideal ethanol oxidation catalyst for direct ethanol fuel cells.
引用
收藏
页码：1856 / 1863
页数：8
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