Development of ruthenium-based bimetallic electrocatalysts for oxygen reduction reaction

被引：40

作者：

Liu, Lingyun ^{[1
]}

Lee, Jong-Won ^{[1
]}

Popov, Branko N. ^{[1
]}

机构：

[1] Univ S Carolina, Dept Chem Engn, Ctr Electrochem Engn, Columbia, SC 29208 USA

来源：

JOURNAL OF POWER SOURCES | 2006年 / 162卷 / 02期

关键词：

ruthenium; bimetallic electrocatalyst; oxygen reduction; proton exchange membrane fuel cell;

D O I：

10.1016/j.jpowsour.2006.08.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ruthenium-based bimetallic electrocatalysts with non-noble metals such as Ti, Cr, Fe, Co and Pb were synthesized on a porous carbon support using a chelation process. Rotating ring disk electrode measurements indicated that RuFeNx/C showed the catalytic activity and selectivity toward the four-electron reduction of oxygen to water comparable to those of the conventional Pt/C catalysts. The performance of the membrane-electrode assembly prepared with the RuFeNx/C cathode catalyst was evaluated for 150 h of continuous operation. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1099 / 1103

页数：5

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