Electrochemical capacitance of self-ordered mesoporous carbon

被引：226

作者：

Zhou, HS ^{[1
]}

Zhu, SM ^{[1
]}

Hibino, M ^{[1
]}

Honma, I ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Energy Elect Inst, Tsukuba, Ibaraki 3058568, Japan

来源：

JOURNAL OF POWER SOURCES | 2003年 / 122卷 / 02期

关键词：

self-ordered; mesoporous carbon; electrochemical double-layer capacitors;

D O I：

10.1016/S0378-7753(03)00439-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The capacitance properties of the self-ordered mesoporous carbons (CMK-3), from a template of hexagonal self-ordered mesoporous SiO2 (SBA 15) using sucrose as the carbon source, have been investigated. The pore distribution was narrow with a diameter of 3.90 nm and a surface area of 900 m(2)/g. Rectangular shape of the cyclic voltammetry was observed even if the scan rate is increased to about 5 x 10(-2) V/S. Self-ordered mesoporous carbon exhibited a electrochemical double-layer capacitance of 60-90 F/g in scan rate from 5 x 10(-4) to 5 x 10(-2) V/s between 1.5 and 3.4 V (Li/Li+). The specific capacitance of 10 muF/cm(2) was similar to that of the typical value of EDLC. After the 100th cycle, the capacity decreased 20% in comparing with that of the first one. (C) 2003 Elsevier Science B.V All rights reserved.

引用

页码：219 / 223

页数：5

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