SnO2 nanocluster supported Pt catalyst with （SnO2纳米Pt催化剂与支持）.pdfVIP

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SnO2 nanocluster supported Pt catalyst with （SnO2纳米Pt催化剂与支持）.pdf

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SnO2 nanocluster supported Pt catalyst with （SnO2纳米Pt催化剂与支持）

Electrochimica Acta 92 (2013) 468–473 Contents lists available at SciVerse ScienceDirect Electrochimica Acta j o u r n a l h o m e p a g e : w w w. elsev /locate/electact a SnO2 nanocluster supported Pt catalyst with high stability for proton exchange membrane fuel cells Meiling Dou a,b , Ming Hou a,∗ , Dong Liang c , Wangting Lu a,b , Zhigang Shao a,∗∗ , Baolian Yi a a Fuel Cell System and Engineering Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China b Graduate University of Chinese Academy of Sciences, Beijing 100049, China c Sunrise Power Co., Ltd, Dalian 116023, China a r t i c l e i n f o a b s t r a c t Article history: Tin oxide nanocluster (SnO2 ) with parallel nanorods was synthesized via a hard template method and Received 13 December 2012 explored as the anode catalyst support for proton exchange membrane fuel cells (PEMFCs). Single cell test Received in revised form 15 January 2013 demonstrated that SnO2 supported Pt catalyst (Pt/SnO2 ) exhibited comparable anode performance with Accepted 15 January 2013 conventional Pt/C. Electrochemical measurements showed that Pt/SnO2 exhibited signiﬁcantly enhanced Available online 23 January 2013 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 Keywords: