Electrochemical performance of metal-organic framework synthesized by a solvothermal method for supercapacitors

被引:45
|
作者
Liao, Chenmin [1 ]
Zuo, Yikang [1 ]
Zhang, Wei [1 ]
Zhao, Jiachang [1 ]
Tang, Bohejin [1 ]
Tang, Aomin [1 ]
Sun, Yanhong [1 ]
Xu, Jingli [1 ]
机构
[1] Shanghai Univ Engn Sci, Coll Chem & Chem Engn, Shanghai 201620, Peoples R China
关键词
metal-organic frameworks; solvothermal; specific capacitance; HYDROGEN STORAGE;
D O I
10.1134/S1023193512080113
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
A series of metal-organic frameworks (MOFs) based on isonicotinic acid and nickel nitrate were successfully synthesized by a solvothermal method as electrode materials for supercapacitor. The MOF were examined by X-ray diffraction (XRD) patterns and N-2 adsorption/desorption isotherms. Electrochemical properties of the materials were characterized by cyclic voltammetry (CV) in 6 M KOH aqueous solutions. The effect of solvothermal time, temperature and the mol ratio of isonicotinic acid and nickel nitrate on the electrochemical performance were also studied. The maximum specific capacitance is found to be 634 F g(-1) at 5 mV s(-1) and the stable cycling properties measurement showed the sample kept 84% after 2000 cycles at a 50 mV s(-1) scan rate.
引用
收藏
页码:983 / 986
页数:4
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