Development of ruthenium-based catalysts for oxygen reduction reaction

被引：30
|
作者：
Liu, Lingyun [1 ]
Kim, Hansung
Lee, Jong-Won
Popov, Branko N.
机构：
[1] Univ S Carolina, Dept Chem Engn, Ctr Electrochem Engn, Columbia, SC 29208 USA
[2] Yonsei Univ, Dept Chem Engn, Seoul 120749, South Korea
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2007年 / 154卷 / 02期
关键词：
D O I：
10.1149/1.2402108
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A process was developed to synthesize ruthenium-based chelate (RuNx) electrocatalysts for the oxygen reduction reaction, using RuCl3 and propylene diammine as the Ru and N precursors, respectively. High-temperature pyrolysis has a critical role in the formation of the catalytic Ru - N sites for oxygen reduction. The RuNx catalyst modified in the presence of nitrogen-containing organic exhibited comparable catalytic activity and selectivity for oxygen reduction to the carbon-supported Pt catalyst in acidic media. The catalyst generates less than 2% hydrogen peroxide during oxygen reduction. (c) 2006 The Electrochemical Society.
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页码：A123 / A128
页数：6
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