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学科主题: Materials Science
题名: In situ fabrication of Ni(OH)(2) nanofibers on polypyrrole-based carbon nanotubes for high-capacitance supercapacitors
作者: Fan Jianzhang; Mi Hongyu; Xu Youlong; Gao Bo
关键词: Composites ; Chemical synthesis ; Electrochemical measurements ; Electrochemical properties
刊名: MATERIALS RESEARCH BULLETIN
发表日期: 2013
DOI: 10.1016/j.materresbull.2012.12.040
卷: 48, 期:3, 页:1342-1345
收录类别: SCI
资助者: Natural Sciences Foundation of Xinjiang Uygur Autonomous Region 200821123; Scientific Research Starting Foundation for Doctoral Graduate, Xinjiang University 07020428024; National Natural Science Foundation of China 21063013, 21103225
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.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2675
Appears in Collections:材料物理与化学研究室_期刊论文

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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

Recommended Citation:
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.
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