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Carbon nanotubes/activated carbon hybrid with ultrahigh surface area for electrochemical capacitors
Geng, Xin1,2; Li, Lixiang1; Li, Feng2
通讯作者Li, Feng(fli@imr.ac.cn)
2015-06-20
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号168页码:25-31
摘要A hybrid carbon materials with three dimensional network carbon nanotubes in activated carbon was prepared by an in situ activation process. This hybrid carbon material has ultrahigh specific surface area (2879 m(2)/g), pore volume (1.36 cm(3)/g) and developed small mesopore network, which is very favorable for fast electrolyte ion transport in the porous channel. As evidenced by N-2 adsorption, cyclic voltammetry and electrochemical impedance measurements, the hybrid carbon material shows superior capacitive behaviors (exhibiting a high capacitance of 140 F/g, better capacitance retention ratio of 80% even at very high sweep rate of 200 mV/s) and provides much higher power density while still maintaining good energy density. This hybrid carbon material offers a great potential in electrochemical capacitors, particularly for applications where high power output and good high-frequency capacitive performances are required. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Carbon nanotube activated carbon electrochemical capacitor
资助者Ministry of Science and Technology of China ; National Science Foundation of China ; Key Research Program of Chinese Academy of Sciences ; Science and Technology Program of Liaoning Education Office
DOI10.1016/j.electacta.2015.03.220
收录类别SCI
语种英语
资助项目Ministry of Science and Technology of China[2011CB932604] ; Ministry of Science and Technology of China[2014CB932402] ; National Science Foundation of China[51221264] ; National Science Foundation of China[51372253] ; National Science Foundation of China[U1401243] ; Key Research Program of Chinese Academy of Sciences[KGZD-EW-T06] ; Science and Technology Program of Liaoning Education Office[2008330]
WOS研究方向Electrochemistry
WOS类目Electrochemistry
WOS记录号WOS:000354055500004
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/81031
通讯作者Li, Feng
作者单位1.Univ Sci & Technol Liaoning, Sch Chem Engn, Inst Mat Electrochem, Anshan 114015, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
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GB/T 7714
Geng, Xin,Li, Lixiang,Li, Feng. Carbon nanotubes/activated carbon hybrid with ultrahigh surface area for electrochemical capacitors[J]. ELECTROCHIMICA ACTA,2015,168:25-31.
APA Geng, Xin,Li, Lixiang,&Li, Feng.(2015).Carbon nanotubes/activated carbon hybrid with ultrahigh surface area for electrochemical capacitors.ELECTROCHIMICA ACTA,168,25-31.
MLA Geng, Xin,et al."Carbon nanotubes/activated carbon hybrid with ultrahigh surface area for electrochemical capacitors".ELECTROCHIMICA ACTA 168(2015):25-31.
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