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题名: Synthesis of highly dispersed Pd/C electro-catalyst with high activity for formic acid oxidation
作者: Li, Huanqiao;  Sun, Gongquan;  Jiang, Qian;  Zhu, Mingyuan;  Sun, Shiguo;  Xin, Qin
通讯作者: 孙公权
关键词: palladium nanoparticles ;  formic acid oxidation ;  NH3 mediated polyol process
刊名: ELECTROCHEMISTRY COMMUNICATIONS
发表日期: 2007-06-01
DOI: 10.1016/j.elecom.2007.01.032
卷: 9, 期:6, 页:1410-1415
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 305
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: In this study, we present a simple process to obtain highly dispersed palladium nanoparticles on Vulcan XC-72R carbon support without any protective agent. To obtain high metal loading Pd/C catalyst without any surfactant, we modified the polyol process by employing NH3 species as a mediation to control the reaction pathway to avoid the precipitation of Pd(OH)2, and hence the agglomeration of Pd nanoparticles. The obtained Pd/C sample was characterized by X-ray diffraction (XRD) and transmission electron microscope (TEM) techniques. The results show that highly dispersed Pd/C catalyst with an average diameter of 3.0 nm could be obtained in this novel process. The activity of formic acid oxidation on this Pd/C catalyst was examined via cyclic voltammetry technique and it is found that the catalytic activity is greatly enhanced due to the reduced particle size and the improved dispersion of palladium nanoparticles on the carbon surface. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: PALLADIUM NANOPARTICLES ;  OXYGEN REDUCTION ;  SIZE CONTROL ;  PLATINUM ;  ELECTROCATALYSTS ;  PARTICLES ;  CLUSTERS ;  MEDIA
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000247803000031
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99285
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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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 Sch, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Li, Huanqiao,Sun, Gongquan,Jiang, Qian,et al. Synthesis of highly dispersed Pd/C electro-catalyst with high activity for formic acid oxidation[J]. ELECTROCHEMISTRY COMMUNICATIONS,2007,9(6):1410-1415.
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