SnO2 nanocluster supported Pt catalyst with high stability for proton exchange membrane fuel cells

被引：99

作者：

Dou, Meiling ^{[1
,2
]}

Hou, Ming ^{[1
]}

Liang, Dong ^{[3
]}

Lu, Wangting ^{[1
,2
]}

Shao, Zhigang ^{[1
]}

Yi, Baolian ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

[3] Sunrise Power Co Ltd, Dalian 116023, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2013年 / 92卷

基金：

国家高技术研究发展计划(863计划);

关键词：

Tin oxide nanocluster; Anode catalyst support; Durability; Proton exchange membrane fuel cells; CARBON-FREE; TIN OXIDE; ELECTROCATALYTIC ACTIVITY; OXYGEN REDUCTION; OXIDATION; PEMFC; ANODE;

D O I：

10.1016/j.electacta.2013.01.070

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Tin oxide nanocluster (SnO2) with parallel nanorods was synthesized via a hard template method and explored as the anode catalyst support for proton exchange membrane fuel cells (PEMFCs). Single cell test demonstrated that SnO2 supported Pt catalyst (Pt/SnO2) exhibited comparable anode performance with conventional Pt/C. Electrochemical measurements showed that Pt/SnO2 exhibited significantly enhanced electrochemical stability than Pt/C under high potential electro-oxidation and potential cycling. The Pt/SnO2 catalyst reserved most of its electrochemically active surface area (ECA) under 10 h potential hold at 1.6 V while its ECA degradation rate was one order of magnitude lower than Pt/C under potential cycling between 0.6 and 1.2 V. Therefore, SnO2 nanocluster can be considered as a promising alternative anode catalyst support for PEMFCs. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：468 / 473

页数：6

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