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兰州大学机构库  > 化学化工学院  > 期刊论文
题名: Shape-controlled synthesis of Pd polyhedron supported on polyethyleneimine-reduced graphene oxide for enhancing the efficiency of hydrogen evolution reaction
作者: Li, J; Zhou, PP(周盼盼); Li, F; Ma, JX; Liu, Y; Zhang, XY; Huo, HF; Jin, J(靳军); Ma, JT(马建泰)
收录类别: SCIE ; EI
出版日期: 2016-01-20
刊名: JOURNAL OF POWER SOURCES
卷号: 302, 页码:343-351
出版者: ELSEVIER
出版地: AMSTERDAM
英文摘要: The catalytic activity of noble-metal nanoparticles (NPs) often has closely connection with their sizes and geometric shape. In the work, polyhedral NPs of palladium (Pd) with controlled sizes, shapes, and different proportions of {100} to {111} facets on the surface were prepared by a seed-mediated approach. Electrochemical experiment demonstrates that the catalytic performance of the Pd nanocubes (NCs) enclosed by {100} facets is more active than Pd octahedrons enclosed by {111} facets for the hydrogen evolution reaction (HER), which is consistent with density functional theory (DFT) calculation results. Meanwhile, with the assistance of a polyethyleneimine reduced graphene oxide (PEI-rGO) support, the examined Pd cube/PEI-rGO(50:1) (10 wt. %) electrocatalyst presents outstanding HER activity comparable with that of commercial Pt/C catalyst. This correlation between the HER catalytic activity and surface structure will contribute to the reasonable design of Pd catalysts for HER with high efficiency and low metal loading. (C) 2015 Elsevier B.V. All rights reserved.
关键词: Palladium ; Nanocubes ; Shape-dependence ; Hydrogen evolution reaction ; Density functional theory
作者部门: [Li, Jing ; Zhou, Panpan ; Li, Feng ; Ma, Jianxin ; Liu, Yang ; Zhang, Xueyao ; Huo, Hongfei ; Jin, Jun ; Ma, Jiantai] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem SKLAOC, Lanzhou 730000, Peoples R China ; [Li, Jing ; Li, Feng ; Ma, Jianxin ; Liu, Yang ; Zhang, Xueyao ; Huo, Hongfei ; 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: Jin, J (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem SKLAOC, Lanzhou 730000, Peoples R China.
学科分类: Electrochemistry; Energy & Fuels
文章类型: Article
所属项目编号: National Science Foundation of China [21345003] ; Natural Science Foundation of Gansu [145RJZA132, 143GKDA013] ; Key Laboratory of Catalytic engineering of Gansu Province and Resources Utilization, Gansu Province
所属项目名称: 国家自然科学基金项目 ; 甘肃省自然科学基金计划 ; 甘肃省科技重大专项计划
项目资助者: NSFC ; GSSTD
语种: 英语
DOI: 10.1016/j.jpowsour.2015.10.050
ISSN号: 0378-7753
WOS记录号: WOS:000366068800044
EI记录号: 20154501519808
IR记录号: WOS:000366068800044
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180313
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Li, J,Zhou, PP,Li, F,et al. Shape-controlled synthesis of Pd polyhedron supported on polyethyleneimine-reduced graphene oxide for enhancing the efficiency of hydrogen evolution reaction[J]. JOURNAL OF POWER SOURCES,2016,302:343-351.
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