文献类型：期刊文献

英文题名：A three-dimensional ordered mesoporous carbon/carbon nanotubes nanocomposites for supercapacitors

作者：Zhu, Zhengju[1];Hu, Yanjie[1];Jiang, Hao[1];Li, Chunzhong[1]

机构：[1]E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Ultrafine Mat, Shanghai 200237, Peoples R China

年份：2014

卷号：246

起止页码：402

外文期刊名：JOURNAL OF POWER SOURCES

收录：;EI(收录号：20133516670242);WOS:【SCI-EXPANDED(收录号:WOS:000326661100053)】；

基金：This work was supported by the National Natural Science Foundation of China (21206043, 21236003), the Basic Research Program of Shanghai (11JC1403000), the Special Research Fund for the Docoral Program of Higher Education of China (2011007 4110010, 20120074120004), Program for New Century Excellent Talents in University (NCET-11-0641), Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning (YD0130506), the Shanghai Pujiang Program (12PJ1401900), the Fundamental Research Funds for the Central Universities.

语种：英文

外文关键词：Ordered mesoporous carbon; Carbon nanotube; Nanocomposite; Supercapacitor

摘要：A three-dimensional ordered mesoporous carbon (OMC)/carbon nanotubes (CNTs) nanocomposite is prepared via a two-step procedure. Firstly, OMC is synthesized through a co-assembly strategy associated with the incorporation of Ni nanoparticles. Then Ni nanoparticles are used as catalyst for the growth of CNTs. The introduction of CNTs into OMC can construct a 3D conductive network, greatly improving the rate performance of the nanocomposites. The nanocomposite with optimal CNTs content, when applied as supercapacitor electrodes, exhibits a high specific capacitance (338.1 F g(-1) at 1 A g(-1)), excellent rate capability (130.2 F g(-1) at 50 A g(-1)) and high cycling stability (91.6% capacity retention after 4000 cycles) in 6 M KOH aqueous solution. Such intriguing electrochemical performance is mainly attributed to the synergistic effects between OMC and CNTs. It is reckoned that the present 3D OMC/CNTs nanocomposite can serve as a promising electrode material for supercapacitors. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.