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

页码：1449 / 1453

页数：5

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