Porous carbons prepared by using metal-organic framework as the precursor for supercapacitors

被引：328

作者：

Hu, Juan ^{[1
]}

Wang, Huanlei ^{[1
]}

Gao, Qiuming ^{[1
]}

Guo, Hongliang ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

CARBON | 2010年 / 48卷 / 12期

基金：

美国国家科学基金会;

关键词：

CARBIDE-DERIVED CARBON; HYDROGEN STORAGE CAPACITY; MESOPOROUS CARBON; ELECTROCHEMICAL CAPACITORS; ACTIVATED CARBON; PORE-SIZE; ADSORPTION; CHLORINATION; PYROLYSIS; NANOTUBES;

D O I：

10.1016/j.carbon.2010.06.008

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：

Several kinds of porous carbons were easily prepared by using metal-organic framework as both template and carbon precursor. Nanocasting is chosen to adjust the textures and structures with phenolic resin or carbon tetrachloride and ethylenediamine as the additional carbon sources. The carbon materials were further activated by potassium hydroxide (KOH). The electrochemical capacitance behaviors of these carbon materials were investigated in both aqueous and organic electrolytes. Energy densities of 9.4W h kg(-1) in 6 M KOH and 31.2 W h kg(-1) in 1.5 M tetraethylammonium tetrafluoroborate acetonitrile solution can be obtained for one of the prepared porous carbon materials (MAC-A) with the surface area of 2222 m(2) g(-1) and the total pore volume of 1.14 cm(3) g(-1). Due to its high packing density of 0.93 g cm(-3), the related volumetric specific energy densities of 8.8 and 29.0 Wh L-1 can be got. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：3599 / 3606

页数：8

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