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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
Source PublicationInternational Journal of Hydrogen Energy
ISSN3603199
Volume36Issue:23Pages:15052-15059
AbstractIn 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.
KeywordPt Micro/nanoparticles Electrodeposition Methanol Oxidation Electrocatalytic Activity Acid Medium
Subject AreaChemistry ; Electrochemistry ; Energy & Fuels
DOI10.1016/j.ijhydene.2011.08.072
WOS IDWOS:000296991800002
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Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/1430
Collection环境科学与技术研究室
AffiliationSoochow 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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GB/T 7714
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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