Graphene/Carbon Nanotubes Hybrid Electrode Material for High Performance Supercapacitor

被引：8
|
作者：
Wang, Yongzhen [1 ,2 ]
Wang, Yong [1 ]
Liu, Yuyu [2 ]
Ohuchi, Azuma [2 ]
Wang, Xiaomin [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
[2] Tohoku Univ, Grad Sch Environm Studies, Multidisciplinary Res Circulat Waste Resources, Sendai, Miyagi 9808579, Japan
来源：
NANO | 2015年 / 10卷 / 05期
关键词：
Graphene nanosheet; carbon nanotubes; microstructure; specific capacitance; CARBON NANOTUBES; CAPACITANCE; ACTIVATION;
D O I：
10.1142/S179329201550068X
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A graphene (GN)/carbon nanotubes (CNTs) nanocomposite electrode material were prepared via reduction of exfoliated graphite oxides in the presence of CNTs pretreated by mixed acid. The GN/CNTs nanocomposite characterized by X-ray diffraction (XRD), Raman spectrum (Raman) and scanning electron microscope (SEM) has a layered structure with CNTs uniformly sandwiched between the GN sheets, which efficiently decreased the agglomeration GN sheets. Electrochemical data demonstrate that the GN/CNT exhibited higher specific capacitance than that of graphene.
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页数：6
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