PtCeOx/C as a novel methanol-tolerant electrocatalyst of oxygen reduction for direct methanol fuel cells

被引：12
|
作者：
Wang, Xiaogang [1 ]
Xu, Weilin [1 ]
Zhou, Xiaochun [1 ]
Lu, Tianhong [1 ]
Xing, Wei [1 ]
Liu, Changpeng [1 ]
Liao, Jianhui [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Grad Sch, Changchun 130022, Peoples R China
来源：
JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2009年 / 13卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Cerium oxide; Electrocatalyst; Methanol tolerance; Oxygen reduction reaction (ORR); Direct methanol fuel cells (DMFCs); OXIDATION; CATALYSTS; PLATINUM;
D O I：
10.1007/s10008-008-0720-2
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A prominent methanol-tolerant characteristic of the PtCeOx/C electrocatalyst was found during oxygen reduction reaction process. The carbon-supported platinum modified with cerium oxide (PtCeOx/C) as cathode electrocatalyst for direct methanol fuel cells was prepared via a simple and effective route. The synthesized electrocatalysts were characterized by X-ray diffraction and transmission electron microscopy. It was found that the cerium oxide within PtCeOx/C present in an amorphous form on the carbon support surface and the PtCeOx/C possesses almost similar disordered morphological structure and slightly smaller particle size compared with the unmodified Pt/C catalyst.
引用
收藏
页码：1449 / 1453
页数：5
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