Electrochemical performance of hybrid supercapacitor fabricated using multi-structured activated carbon

被引：31

作者：

Cho, Min-Young ^{[1
,2
]}

Kim, Mok-Hwa ^{[1
,2
]}

Kim, Hyun-Kyung ^{[2
]}

Kim, Kwang-Bum ^{[2
]}

Yoon, Jung Rag ^{[3
]}

Roh, Kwang Chul ^{[1
]}

机构：

[1] Korea Inst Ceram Engn & Technol, Energy &Environm Div, Energy Efficient Mat Team, Seoul 153801, South Korea

[2] Yonsei Univ, Dept Mat Sci & Engn, Seoul 120749, South Korea

[3] Samwha Capacitor Co Ltd, R&D Ctr, Yongin 449884, Gyeonggi, South Korea

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2014年 / 47卷

关键词：

Activated carbon; Partially graphitic activated carbon; Li4Ti5O12; Ultracapacitor; Hybrid supercapacitor; HIGH-ENERGY; LI4TI5O12; ELECTRODE; CATHODE; ANODE;

D O I：

10.1016/j.elecom.2014.07.012

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We used multi-structured activated carbon electrodes to fabricate hybrid supercapacitors (HSCs) showing excellent electrochemical performance. As the active material, the activated carbon coupled with Li4Ti5O12 showed a partially graphitized as well as a porous structure, and thus provided two different capacitive mechanisms: electric double layer capacitance and shallow intercalation. HSCs produced with this unique structure show excellent specific capacitances of 77 F g(-1) and 62 F cm(-3). Partially graphitic activated carbon has great potential for HSC applications. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：5 / 8

页数：4

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