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Improving CO Tolerance of Pt2Ru3/C Catalyst by the Addition of Tin Oxide

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Title: Improving CO Tolerance of Pt2Ru3/C Catalyst by the Addition of Tin Oxide
Authors: Wang, Guo-Xiong Browse this author
Takeguchi, Tatsuya Browse this author
Yamanaka, Toshiro Browse this author
Muhamad, Ernee Noryana Browse this author
Ueda, Wataru Browse this author
Issue Date: 2010
Publisher: The Electrochemical Society
Journal Title: ECS Transactions
Volume: 28
Issue: 23
Start Page: 307
End Page: 312
Publisher DOI: 10.1149/1.3502362
Abstract: SnOx-modified Pt2Ru3/C catalysts were post-treated in different atmospheres at various temperatures to improve the catalytic activity for H2/CO electro-oxidation. The structures of the Pt2Ru3/C and SnOx/Pt2Ru3/C catalysts were characterized by X-ray diffraction. Electrochemical activities were evaluated by CO stripping voltammetry and single cell test. The SnOx/Pt2Ru3/C catalysts had a lower onset potential for CO electro-oxidation and greater cell voltage than the Pt2Ru3/C catalyst under high CO concentrations. The SnOx/Pt2Ru3/C catalyst treated in 5 % H2/Ar at 150℃ exhibited the greatest CO tolerance due to that the post-treatment caused the conversion of SnO2 to SnOx (1≤ x ≤2) without destroying PtRu alloy structure.
Rights: © The Electrochemical Society, Inc. 2010. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in ECS Trans., 28(23), pp.307-312.
Type: article
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 竹口 竜弥

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