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A highly active PtNi/C electrocatalyst for methanol electro-oxidation in alkaline media
Jiang, Qian1,2; Jiang, Luhua1; Wang, Suli1; Qi, Jing1,2; Sun, Gongquan1
关键词Electrocatalyst Methanol Oxidation Platinum-nickel Carbon Monoxide Dft
刊名CATALYSIS COMMUNICATIONS
2010-10-25
DOI10.1016/j.catcom.2010.08.001
12期:1页:67-70
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]ANION-EXCHANGE MEMBRANES ; FUEL-CELLS ; CARBON-MONOXIDE ; NI ; NANOPARTICLES ; OXIDATION ; CATALYSTS ; PLATINUM ; DENSITY ; ATOMS
英文摘要A carbon supported PtNi/C electrocatalyst synthesized via a polyol process was characterized by XRD, TEM and voltammetry techniques. The XRD analysis showed a decreased lattice constant of Pt for the PtNi/C catalyst compared with the Pt/C. indicating partial PtNi alloy formed. The PtNi/C exhibited enhanced mass activity towards methanol oxidation reaction as well as decreased CO stripping currents in alkaline media compared with the Pt/C. Density functional theory studies revealed the electronic structure modification of Pt by Ni atoms and weakened CO adsorption energy on the Pt(3)Ni than on the Pt(4) clusters, which may account for the increased MOR activity. Crown Copyright (C) 2010 Published by Elsevier By. All rights reserved.
语种英语
WOS记录号WOS:000283447300015
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被引频次:36[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141642
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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Jiang, Qian,Jiang, Luhua,Wang, Suli,et al. A highly active PtNi/C electrocatalyst for methanol electro-oxidation in alkaline media[J]. CATALYSIS COMMUNICATIONS,2010,12(1):67-70.
APA Jiang, Qian,Jiang, Luhua,Wang, Suli,Qi, Jing,&Sun, Gongquan.(2010).A highly active PtNi/C electrocatalyst for methanol electro-oxidation in alkaline media.CATALYSIS COMMUNICATIONS,12(1),67-70.
MLA Jiang, Qian,et al."A highly active PtNi/C electrocatalyst for methanol electro-oxidation in alkaline media".CATALYSIS COMMUNICATIONS 12.1(2010):67-70.
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