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题名: Facile fabrication of palladium-ionic liquids-nitrogen-doped graphene nanocomposites as enhanced electro-catalyst for ethanol oxidation
作者: Li, SW; Yang, HL; Ren, R; Ma, JX; Jin, J(靳军); Ma, JT(马建泰)
收录类别: SCIE ; EI
出版日期: 2015-10-30
刊名: JOURNAL OF POWER SOURCES
卷号: 294, 页码:360-368
出版者: ELSEVIER
出版地: AMSTERDAM
英文摘要: The palladium-ionic liquids-nitrogen-doped graphene nanocomposites are facile fabricated as enhanced electro-catalyst for ethanol oxidation. First, the ionic liquids functionalized nitrogen-doping graphene nanosheets (PDIL-NGS) with few layers is synthesized through a facile and effective one-pot hydrothermal method with graphene oxide as raw material, urea as reducing-doping agents and ionic liquids (ILs) derived from 3,4,9,10-perylene tetracarboxylic acid as functional molecules. The results of systematic characterization reveal that the PDIL molecules not only can functionalize NGS by pi-pi stacking with no affecting the nitrogen doping but also prevent the agglomeration of NGS. More importantly, the processing performance and the property of electron transfer are remarkably enhanced duo to introducing a large number of ILs groups. Then, the enhanced electrocatalytic Pd nanoparticles are successfully anchored on PDIL-NGS by a facile and surfactant-free synthetic technique. As an anode catalyst, the novel catalyst exhibits better kinetics, more superior electrocatalytic performance, higher tolerance and electrochemical stability than the other catalysts toward ethanol electrooxidation, owing to the role of PDIL molecules. Therefore, the new catalyst is believed to have the potential use for direct alcohol fuel cells in the future and the functionalized NGS is promising useful materials applied in other fields. (C) 2015 Elsevier B.V. All rights reserved.
关键词: Palladium nanoparticles ; Ionic liquids ; Nitrogen-doped graphene ; Ethanol electrooxidation
作者部门: [Li, Shuwen ; Yang, Honglei ; Ren, Ren ; Ma, Jianxin ; Jin, Jun ; Ma, Jiantai] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China ; [Li, Shuwen ; Yang, Honglei ; Ren, Ren ; Ma, Jianxin ; Jin, Jun ; Ma, Jiantai] Lanzhou Univ, Coll Chem & Chem Engn, Gansu Prov Engn Lab Chem Catalysis, Lanzhou 730000, Peoples R China
通讯作者: Li, SW (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China.
学科分类: Chemistry; Electrochemistry; Energy & Fuels; Materials Science
文章类型: Article
所属项目编号: Fundamental Research Funds for the Central Universities [LZUjbky-2015-16, LZUjbky-2015-17]
所属项目名称: 中央高校基本科研业务费专项资金
项目资助者: LZU
语种: 英语
DOI: 10.1016/j.jpowsour.2015.06.088
ISSN号: 0378-7753
WOS记录号: WOS:000358968400046
EI记录号: 20152600971632
IR记录号: WOS:000358968400046
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180206
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Li, SW,Yang, HL,Ren, R,et al. Facile fabrication of palladium-ionic liquids-nitrogen-doped graphene nanocomposites as enhanced electro-catalyst for ethanol oxidation[J]. JOURNAL OF POWER SOURCES,2015,294:360-368.
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