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

被引：97
|
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
收藏
页码：468 / 473
页数：6
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