Kinetics of oxygen reduction reaction at electrochemically fabricated tin-palladium bimetallic electrocatalyst in acidic media

被引：21
作者：
Miah, Md Rezwan [1 ,2 ]
Masud, Jahangir [1 ]
Ohsaka, Takeo [1 ]
机构：
[1] Tokyo Inst Technol, Dept Elect Chem, Interdisciplinary Grad Sch Sci & Engn, Midori Ku, Yokohama, Kanagawa 2268502, Japan
[2] Shahjalal Univ Sci & Technol, Dept Chem, Sch Phys Sci, Sylhet 3114, Bangladesh
来源：
ELECTROCHIMICA ACTA | 2010年 / 56卷 / 01期
关键词：
Bimetallic electrocatalysts; Oxygen reduction reaction; Electrocatalysis; Hydrodynamic voltammetry; Kinetics of oxygen reduction reaction; UNDERPOTENTIAL DEPOSITION; PD ELECTROCATALYST; LOADING LEVEL; NANOPARTICLES; GOLD; PLATINUM; ELECTROREDUCTION; SURFACES; ELECTRODES; CATALYSTS;
D O I：
10.1016/j.electacta.2010.08.082
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In the present article, oxygen reduction reaction (ORR) at electrochemically fabricated tin-palladium (Sn-Pd) bimetallic electrocatalyst-modified glassy carbon (GC) electrode (Sn-Pd/GC electrode) in acidic media is addressed. Hydrodynamic voltammetric measurements were employed with a view to evaluating various kinetic parameters of the ORR at the Sn-Pd/GC electrode. The obtained results obviously demonstrated that the Sn-Pd bimetallic electrocatalyt substantially promoted the activity of the GC electrode and drove the ORR through an exclusive one-step four-electron pathway forming H2O as the final product. (C) 2010 Published by Elsevier Ltd.
引用
收藏
页码：285 / 290
页数：6
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