Localized growth of Pt on Pd as a bimetallic electrocatalyst with enhanced catalytic activity and durability for proton exchange membrane fuel cell

被引：13

作者：

Zhang, Weimin ^{[1
,2
]}

Wang, Meng ^{[2
]}

Chen, Jun ^{[2
]}

Romeo, Tony ^{[2
]}

Harris, Andrew T. ^{[1
]}

Minett, Andrew I. ^{[1
]}

机构：

[1] Univ Sydney, Lab Sustainable Technol, Sch Chem & Biomol Engn, Sydney, NSW 2006, Australia

[2] Univ Wollongong, Intelligent Polymer Res Inst, AIIM Facil, Wollongong, NSW 2522, Australia

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 34卷

关键词：

Pt-Pd; Bimetallic; Electrocatalyst; Fuel cell; OXYGEN REDUCTION; PT-ALLOY; NANOSTRUCTURES; CO;

D O I：

10.1016/j.elecom.2013.05.017

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Pt on Pd nanocatalyst with hollow interior structure was synthesized by a modified galvanic replacement method. The hollow nanoparticles with rough Pt surface on Pd layer (Pt-Pd) exhibit significantly higher electrochemically active surface area when compared to that of conventional hollow Pt nanoparticles, with remarkably enhanced oxygen reduction reaction activity and durability compared to those of as-synthesized hollow Pt catalysts and the E-TEK commercial Pt/C. Real-world application of the catalysts in a single fuel cell has been evaluated and found consistent with the electrochemical measurements. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：73 / 76

页数：4

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