Highly active Pt-Pd alloy catalyst for oxygen reduction reaction in buffer solution

被引：12
|
作者：
Lee, Young-Woo [2 ]
Oh, Sang-Eun [1 ]
Park, Kyung-Won [2 ]
机构：
[1] Kangwon Natl Univ, Dept Environm Biol, Chunchon, Kangwon Do, South Korea
[2] Soongsil Univ, Dept Chem & Environm Engn, Seoul 156743, South Korea
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2011年 / 13卷 / 12期
关键词：
Shape control; Platinum; Palladium; Oxygen reduction; Buffer solution; WASTE-WATER TREATMENT; MICROBIAL FUEL-CELL; NANOCRYSTALS; ELECTRICITY;
D O I：
10.1016/j.elecom.2011.07.022
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Structure-controlled metallic catalysts have been well known to exhibit an improved electrocatalytic activity due to modulated surface structures favourable for electrochemical reactions. We synthesize octahedral Pt-Pd nanoparticles reducing metal ions with glycerol as a reducing agent in an aqueous solution. The octahedral Pt-Pd nanoparticles exhibit dominant (111} facets with homogeneous alloy formation between Pt and Pd atom. For oxygen reduction reaction in buffer solution, the octahedral Pt-Pd alloy electrocatalyst shows highly electrocatalytic activity. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1300 / 1303
页数：4
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