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学科主题: Chemistry ; Electrochemistry ; Energy & Fuels
题名: effect of deposition potential on the structure and electrocatalytic behavior of pt micro/nanoparticles
作者: Zhang Hongmei; Jiang Fengxing; Zhou Rong; Du Yukou; Yang Ping; Wang Chuanyi; Xu Jingkun
刊名: International Journal of Hydrogen Energy
发表日期: 2011
DOI: 10.1016/j.ijhydene.2011.08.072
卷: 36, 期:23, 页: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.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1430
Appears in Collections:环境科学与技术研究室_期刊论文

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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

Recommended Citation:
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.
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