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In situ fabrication of Ni(OH)(2) nanofibers on polypyrrole-based carbon nanotubes for high-capacitance supercapacitors
Fan Jianzhang; Mi Hongyu; Xu Youlong; Gao Bo
2013
发表期刊MATERIALS RESEARCH BULLETIN
ISSN0025-5408
卷号48期号:3页码:1342-1345
摘要Large-scale nickel hydroxide-carbon [Ni(OH)(2)/CNT] networks with three-dimensional electron-transport channels are synthesized via a facile and general surface-decoration approach, using polypyrrole-derived CNTs as the support. Flexible Ni(OH)(2) nanofibers with a diameter of 5-10 nm and a length of 50-120 nm are intertwined and wrapped homogenously on carbon networks, leading to the formation of more complex networks. When used as supercapacitor electrodes, this designed architecture with large surface area, abundant pores and good electrical conductivity is very important in technology. It can promote the bulk accessibility of electrolyte OH- and diffusion rate within the redox phase. Consequently, an unusual specific capacitance of 1745 F g(-1) can be obtained for Ni(OH)(2)/CNT composite at 30 mA cm(-2). Even at a high rate (50 mA cm(-2)), the composite can also deliver a specific capacitance as high as 1118 F g(-1), exhibiting the potential application for supercapacitors.
关键词Composites Chemical Synthesis Electrochemical Measurements Electrochemical Properties
学科领域Materials Science
DOI10.1016/j.materresbull.2012.12.040
收录类别SCI
WOS记录号WOS:000315608400070
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/2675
专题材料物理与化学研究室
作者单位Xinjiang Univ, Sch Chem & Chem Engn, Urumqi 830046, Peoples R China;Xi An Jiao Tong Univ, Minist Educ, Key Lab, Elect Mat Res Lab, Xian 710049, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
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Fan Jianzhang,Mi Hongyu,Xu Youlong,et al. In situ fabrication of Ni(OH)(2) nanofibers on polypyrrole-based carbon nanotubes for high-capacitance supercapacitors[J]. MATERIALS RESEARCH BULLETIN,2013,48(3):1342-1345.
APA Fan Jianzhang,Mi Hongyu,Xu Youlong,&Gao Bo.(2013).In situ fabrication of Ni(OH)(2) nanofibers on polypyrrole-based carbon nanotubes for high-capacitance supercapacitors.MATERIALS RESEARCH BULLETIN,48(3),1342-1345.
MLA Fan Jianzhang,et al."In situ fabrication of Ni(OH)(2) nanofibers on polypyrrole-based carbon nanotubes for high-capacitance supercapacitors".MATERIALS RESEARCH BULLETIN 48.3(2013):1342-1345.
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