A novel non-noble electrocatalyst for oxygen reduction in proton exchange membrane fuel cells

被引：80

作者：

Zhong, Hexiang

Zhang, Huamin

Liang, Yongmin

Zhang, Jianlu

Wang, Meiri

Wang, Xiaoli

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Proton Exchange Membrane Fuel Cell Key Mat & Tech, Dalian 116023, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

[3] Natl Res Council Canada, Inst Fuel Cell Innovat, Vancouver, BC V6T 1W5, Canada

来源：

JOURNAL OF POWER SOURCES | 2007年 / 164卷 / 02期

基金：

中国国家自然科学基金;

关键词：

PEMFCs; tungsten nitride; oxygen reduction reaction; non-noble catalysts;

D O I：

10.1016/j.jpowsour.2006.11.080

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：

Tungsten nitride supported on carbon black was prepared by temperature-programmed reaction (TPR) process and is proposed as a catalyst for the oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs). The as-prepared catalyst was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM) techniques. The ORR activities of the catalyst were studied by electrochemical measurements and single cell tests, respectively. The results indicated that the tungsten nitride electrocatalyst exhibited attractive catalytic activity and stability for the ORR in PEMFCs. It is expected to be a promising cathode electrocatalyst for PEMFCs, especially for the comparatively high temperature proton exchange membrane fuel cells. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：572 / 577

页数：6

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