A Facile Synthesis of ZnO Nanorods on Nitrogen-Doped Graphene Sheets for Supercapacitor Applications

被引：6
|
作者：
Xu, Jianping [1 ]
Huang, Jie [1 ]
Zhu, Meiwu [1 ]
Cheng, Chuanhong [1 ]
Jin, Tianxiang [1 ]
Huang, Bin [1 ]
机构：
[1] East China Univ Technol, Jiangxi Key Lab Mass Spectrometry & Instrumentat, Nanchang 344000, Jiangxi, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2020年 / 15卷 / 01期
关键词：
nitrogen-doped graphene (NG); ZnO@NG; supercapacitor; solvothermal method; ELECTRODE MATERIAL; ELECTROCHEMICAL DETECTION; OXIDE; PERFORMANCE; NANOCOMPOSITE; COMPOSITES; CARBON; ZN2+;
D O I：
10.20964/2020.01.65
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
ZnO nanorods/nitrogen-doped graphene (ZnO@ NG) composite networks were prepared by a convenient hydrothermal method from zinc acetate and graphene oxide (GO) using ethylene glycol as the reducing agent. ZnO nanorods were observed to be homogeneously supported on the NG networks with a length and diameter of 1-2 mu m and 50-100 mu m, respectively. High specific capacity (237.18 F/g, 0.5 A/g) can be obtained by integrating porous NG networks and ZnO nanorods as ultracapacitance electrodes. ZnO@NG also exhibits an excellent electrochemical stability of 90.8% for 2000 cycles at 0.5 A/g. In this study, a new method is proposed for the preparation of heteroatom-doped graphene and metal oxide composite for high-performance supercapacitors.
引用
收藏
页码：765 / 773
页数：9
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