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Effect of deposition potential on the structure and electrocatalytic behavior of Pt micro/nanoparticles
Zhang Hongmei; Jiang Fengxing; Zhou Rong; Du Yukou; Yang Ping; Wang Chuanyi; Xu Jingkun
2011
发表期刊International Journal of Hydrogen Energy
ISSN3603199
卷号36期号:23页码:15052-15059
摘要In fuel cells, Pt is often employed as an electrode material to facilitate electrochemical reaction processes, in which morphology plays an important role. In this work, three kinds of Pt flowers have been prepared on a glassy electrode substrate via a facile electrochemical deposition in a solution of H3PO4; by controlling work potentials at -0.1 V, -0.2 V and -0.3 V, cauliflower-like, needle-like and rose-like shapes of Pt micro/nanoparticles as confirmed by SEM and XRD are obtained, respectively. Taking methanol oxidation as a model reaction and using CO stripping voltammogram in an acid medium, the electrocatalytic performance of as-prepared three Pt flowers has been evaluated. The three Pt flowers show different electrocatalytic activities, and the needle-like Pt flowers present the highest catalytic activity for electrooxidation of methanol and CO.© 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词Pt Micro/nanoparticles Electrodeposition Methanol Oxidation Electrocatalytic Activity Acid Medium
学科领域Chemistry ; Electrochemistry ; Energy & Fuels
DOI10.1016/j.ijhydene.2011.08.072
WOS记录号WOS:000296991800002
引用统计
被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/1430
专题环境科学与技术研究室
作者单位Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China;Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China
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Zhang Hongmei,Jiang Fengxing,Zhou Rong,et al. Effect of deposition potential on the structure and electrocatalytic behavior of Pt micro/nanoparticles[J]. International Journal of Hydrogen Energy,2011,36(23):15052-15059.
APA Zhang Hongmei.,Jiang Fengxing.,Zhou Rong.,Du Yukou.,Yang Ping.,...&Xu Jingkun.(2011).Effect of deposition potential on the structure and electrocatalytic behavior of Pt micro/nanoparticles.International Journal of Hydrogen Energy,36(23),15052-15059.
MLA Zhang Hongmei,et al."Effect of deposition potential on the structure and electrocatalytic behavior of Pt micro/nanoparticles".International Journal of Hydrogen Energy 36.23(2011):15052-15059.
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