Toward improving the performance of PEM fuel cell by using mix metal electrodes prepared by dual IBAD

被引：21
|
作者：
Gullá, AF
Saha, MS
Allen, RJ
Mukerjee, S
机构：
[1] E TEK Div De Nora N Amer Inc, Somerset, NJ 08873 USA
[2] Northeastern Univ, Dept Chem & Chem Biol, Boston, MA 02115 USA
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2006年 / 153卷 / 02期
关键词：
D O I：
10.1149/1.2165571
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Dual ion beam assisted deposition (IBAD) has been used to manufacture selected Pt-based alloy/mix (Pt-Co and Pt-Cr) electrode-catalysts by direct metallization of a standard E-TEK gas diffusion layer (GDL). Their kinetics for oxygen reduction reaction and their performance in a proton exchange membrane fuel cells (PEMFCs) are presented. Activity enhancement, normalized to surface area and mass activity, of 38.99 mA/cm(2) (Pt-Co) and 27.21 mA/cm(2) (Pt-Cr) are reported relative to an IBAD Pt electrode-catalyst. We report a significant new development in terms of materials and mass-manufacturability for PEMFC applications (c) 2005 The Electrochemical Society. [DOI:10.1149/1.2165571] All rights reserved.
引用
收藏
页码：A366 / A371
页数：6
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