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兰州大学机构库  > 化学化工学院  > 期刊论文
题名: Self-assembly of cobalt-centered metal organic framework and multiwalled carbon nanotubes hybrids as a highly active and corrosion-resistant bifunctional oxygen catalyst
作者: Fang, YY; Li, XZ; Li, F; Lin, XQ; Tian, M; Long, XF; An, XC; Fu, Y; Jin, J(靳军); Ma, JT(马建泰)
收录类别: SCIE ; EI
出版日期: 2016-09-15
刊名: JOURNAL OF POWER SOURCES
卷号: 326, 页码:50-59
英文摘要: Metal organic frameworks (MOF) derived carbonaceous materials have emerged as promising bifunctional oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) catalysts for electrochemical energy conversion and storage. But previous attempts to overcome the poor electrical conductivity of MOFs hybrids involve a harsh high-template pyrolytic process to in situ form carbon, which suffer from extremely complex operation and inevitable carbon corrosion at high positive potentials when OER is operated. Herein, a self-assembly approach is presented to synthesize a non-precious metal-based, high active and strong durable Co-MOF@CNTs bifunctional catalyst for OER and ORR. CNTs not only improve the transportation of the electrons but also can sustain the harsh oxidative environment of OER without carbon corrosion. Meanwhile, the unique 3D hierarchical structure offers a large surface area and stable anchoring sites for active centers and CNTs, which enables the superior durability of hybrid. Moreover, a synergistic catalysis of Co(II), organic ligands and CNTs will enhance the bifunctional electrocatalytic performance. Impressively, the hybrid exhibits comparable OER and ORR catalytic activity to RuO2 and 20 wt% Pt/C catalysts and superior stability. This facile and versatile strategy to fabricating MOF-based hybrids may be extended to other electrode materials for fuel cell and water splitting applications. (C) 2016 Elsevier B.V. All rights reserved.
关键词: Metal organic frameworks ; Multiwalled carbon nanotubes ; 3D hierarchical structure ; Corrosion-resistant ; Bifunctional catalysts
作者部门: [Fang, Yiyun ; Li, Xinzhe ; Li, Feng ; Lin, Xiaoqing ; Tian, Min ; Long, Xuefeng ; Jin, Jun ; Ma, Jiantai] Lanzhou Univ, Coll Chem & Chem Engn, Key Lab Catalyt Engn Gansu Prov, Lanzhou 730000, Peoples R China ; [An, Xingcai] Gansu Acad Sci, Nat Energy Inst, Lanzhou 730046, Gansu, Peoples R China ; [Fu, Yan] Northwest Yongxin Coatings Co Ltd, Lanzhou 730046, Gansu, Peoples R China
通讯作者: Jin, J ; Ma, JT (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, Key Lab Catalyt Engn Gansu Prov, 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: National Science Foundation of China [21345003] ; Fundamental Research Funds for the Central Universities [lzujbky-2016-k08] ; Natural Science Foundation of Gansu [145RJZA132] ; Key Laboratory of Catalytic Engineering of Gansu Province ; Gansu Province [143GKA013]
所属项目名称: 国家自然科学基金项目 ; 中央高校基本科研业务费专项资金 ; 甘肃省自然科学基金计划
项目资助者: NSFC ; LZU ; GSSTD
语种: 英语
DOI: 10.1016/j.jpowsour.2016.06.114
ISSN号: 0378-7753
WOS记录号: WOS:000382338800007
EI记录号: 20163102677223
IR记录号: WOS:000382338800007
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180576
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Fang, YY,Li, XZ,Li, F,et al. Self-assembly of cobalt-centered metal organic framework and multiwalled carbon nanotubes hybrids as a highly active and corrosion-resistant bifunctional oxygen catalyst[J]. JOURNAL OF POWER SOURCES,2016,326:50-59.
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