Investigation of the electrode molding technologies for the carbon-based supercapacitors

被引：4
|
作者：
Cai, Kedi [1 ,2 ]
Mu, Weifang [1 ]
He, Tieshi [1 ]
Hou, Junbo [3 ]
机构：
[1] Bohai Univ, Inst Liaoxi Ecol Environm Sci, Jinzhou 121013, Peoples R China
[2] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
[3] Virginia Tech, Inst Crit Technol & Appl Sci, Blacksburg, VA 24061 USA
来源：
JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2012年 / 16卷 / 07期
关键词：
Supercapacitor; Electrode; Molding technologies; INTERCALATION;
D O I：
10.1007/s10008-012-1657-z
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this study, we investigated the influence of electrode molding pressure, temperature, and time on the properties of the winding supercapacitors. Mechanical properties such as the crook degree and adhesion strength of the formed electrodes were tested. The electrochemical performance of a supercapacitor was examined using an AC impedance, cyclic voltammetry, and constant current charging/discharging tests. According to the results, at 20-MPa electrode molding pressure and 80 A degrees C for 60 s, the supercapacitor showed the best performances with its electrochemical window reaching 4.4 V, a charge-discharge efficiency of 97.6%, and a specific capacitance of 370.0 Fg(-1).
引用
收藏
页码：2541 / 2546
页数：6
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