Hierarchical porous carbons with high performance for supercapacitor electrodes

被引：330

作者：

Xing, W. ^{[1
]}

Huang, C. C. ^{[1
]}

Zhuo, S. P. ^{[1
]}

Yuan, X. ^{[1
]}

Wang, G. Q. ^{[1
]}

Hulicova-Jurcakova, D. ^{[3
,4
]}

Yan, Z. F. ^{[2
]}

Lu, G. Q. ^{[3
,4
]}

机构：

[1] Shandong Univ Technol, Sch Chem Engn, Zibo 255049, Peoples R China

[2] China Univ Petr, CNPC, Key Lab Catalysis, State Key Lab Heavy Oil Proc, Dongying 257061, Peoples R China

[3] Univ Queensland, Australian Res Council, Ctr Excellence Funct Nanomat, AIBN, Brisbane, Qld 4072, Australia

[4] Univ Queensland, Sch Engn, Brisbane, Qld 4072, Australia

来源：

CARBON | 2009年 / 47卷 / 07期

关键词：

MESOPOROUS CARBONS; ACTIVATED CARBONS; ELECTROCHEMICAL CHARACTERIZATION; CAPACITANCE; NANOTUBES; ADSORPTION; BATTERIES; STORAGE; ENERGY;

D O I：

10.1016/j.carbon.2009.02.024

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：

A series of hierarchical porous carbons (HPCs) were prepared by a combination of self-assembly and chemical activation. Pore-structure analysis shows that micropores can be generated within the mesopore wall of mesoporous carbon in a controllable manner during activation. As evidenced by cyclic voltammetry, galvanostatic charge/discharge cyclings and frequency response measurements, HPCs show superior capacitive performances to hard-templated ordered mesoporous carbons, which can be attributed to the generated pore surfaces that play most important role in the formation of double-layer capacitance and to their unique hierarchical porous structure that favors the fast diffusion of electrolyte ions into the pores. Of special interest is the fact that HPCs maintains 180 F/g at high-frequency of 1 Hz. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1715 / 1722

页数：8

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