Comparative study on electrochemical oxidation of sodium borohydride on carbon supported PtSn and Pt

被引：0
|
作者：
Hou, Junbo [1 ]
Ellis, Michael W. [2 ]
机构：
[1] Virginia Tech, Inst Crit Technol & Appl Sci, Blacksburg, VA 24061 USA
[2] Virginia Tech, Dept Engn Mech, Blacksburg, VA 24061 USA
来源：
POLYMER ELECTROLYTE FUEL CELLS 11 | 2011年 / 41卷 / 01期
关键词：
GOLD; ELECTROOXIDATION; ELECTROCATALYST;
D O I：
10.1149/1.3635704
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Pt/C and PtSn/C were investigated for electrochemical activity towards borohydride oxidation in direct borohydride fuel cell applications. Voltammetry on stationary electrode and rotating disk electrode, chronopotentiometry and chronoamperometry were conducted on a thin film electrode. The results indicate that the presence of Sn in the catalyst may facilitate the borohydride oxidation reaction. An adsorption-electrochemical step is proposed to explain the enhanced activity for the PtSn/C.
引用
收藏
页码：1729 / 1735
页数：7
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