Electrochemical deposition of Fe2O3/graphene composites for energy storage

被引:0
作者
Ma, Ke [1 ]
Zhang, Daoming [1 ]
Zhang, Quansheng [1 ]
机构
[1] Shanghai Inst Technol, Sch Chem & Environm Engn, Shanghai, Peoples R China
来源
ENERGY SCIENCE AND APPLIED TECHNOLOGY (ESAT 2016) | 2016年
关键词
supercapacitors; graphene; electrochemical deposition; ELECTRODE; PERFORMANCE; OXIDE;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Fe2O3/graphene composites were successfully fabricated by the electrochemical deposition method. The obtained samples were characterized by X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). The Fe2O3/graphene nanocomposites are uniformly loaded on the electrode. To assess the electrochemical capacity of composites, cyclic voltammetry and galvanostatic charging-discharging measurements were performed in 1 mol/L Na2SO3. The result demonstrates that the composite electrode exhibits an excellent specific capacitance of 194 F/g at 1 A/g and the charge-discharge stability measurements indicate a capacity retention of 87.8% after 1000 cycles. The outstanding capacitance and good cycling stability demonstrate that the nanocomposite is a quite promising electrode material for supercapacitors.
引用
收藏
页码:207 / 211
页数:5
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