Vertically aligned double-walled carbon nanotube electrode prepared by transfer methodology for electric double layer capacitor

被引：28

作者：

Honda, Yuichi ^{[1
]}

Takeshige, Masayuki ^{[1
]}

Shiozaki, Hideki ^{[2
]}

Kitamura, Takaharu ^{[2
]}

Yoshikawa, Kenji ^{[2
]}

Chakrabarti, Supriya ^{[3
]}

Suekane, Osamu ^{[4
]}

Pan, Lujun ^{[5
]}

Nakayama, Yoshikazu ^{[6
,7
]}

Yamagata, Masaki ^{[1
]}

Ishikawa, Masashi ^{[1
]}

机构：

[1] Kansai Univ, Fac Chem Mat & Bioengn, Osaka 5648680, Japan

[2] Hitachi Zosen Corp, Taisho Ku, Osaka 5510022, Japan

[3] Osaka Sci & Technol Ctr, Izumi Ku, Osaka 5941144, Japan

[4] Technol Res Inst Osaka Prefecture, Osaka Sci & Technol Ctr, Izumi Ku, Osaka 5941157, Japan

[5] Osaka Prefecture Univ, Dept Phys & Elect, Naka Ku, Osaka 5998531, Japan

[6] Osaka Univ, Dept Mech Engn, Suita, Osaka 5650871, Japan

[7] Osaka Prefecture Univ, Grad Sch Engn, Naka Ku, Osaka 5998531, Japan

来源：

JOURNAL OF POWER SOURCES | 2008年 / 185卷 / 02期

关键词：

Double-walled carbon nanotube; Electric double layer capacitor; Vertically aligned DWCNT; Transfer; Rate capability;

D O I：

10.1016/j.jpowsour.2008.09.020

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：

We successfully prepared a vertically aligned double-walled carbon nanotube (DWCNT) sheet by a transfer procedure from a silicon substrate as a DWCNT seedbed that was covered with catalyst grains to an aluminum sheet as a current collector for application to a high-performance electrode for an electric double layer capacitor (EDLC). The charge-discharge characteristics and EDLC performances of the aligned DWCNT electrode were evaluated and compared with those of a vertically aligned multi-walled CNT (MWCNT) electrode. The gravimetric capacitance of the DWCNT electrode was ca. four times larger than that of the MWCNT electrode. The rate capability of the DWCNT electrode was found to be excellent. This is mainly ascribed to our transfer technique. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1580 / 1584

页数：5

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