Capacitive Performance of Nitrogen-Doped Hierarchical Porous Carbon Easily Synthesized with Double Metal Organic Salt

被引：0

作者：

Zhao, Pingping ^{[1
,2
,3
]}

Liu, Shuai ^{[1
,2
,3
]}

Han, Yan ^{[4
]}

Zhang, Cui ^{[1
,2
,3
]}

Liu, Shuangxi ^{[1
,2
,3
]}

机构：

[1] Nankai Univ, Coll Chem, Inst New Catalyt Mat Sci, Tianjin 300071, Peoples R China

[2] Key Lab Adv Energy Mat Chem MOE, Tianjin 300071, Peoples R China

[3] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China

[4] Tianjin Normal Univ, Coll Phys & Mat Sci, Energy & Mat Engn Ctr, Tianjin 300387, Peoples R China

来源：

ECS ELECTROCHEMISTRY LETTERS | 2015年 / 4卷 / 07期

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

ELECTROCHEMICAL PROPERTIES; MESOPOROUS CARBONS; SUPERCAPACITORS; ELECTROLYTES; ELECTRODES; SPHERES;

D O I：

10.1149/2.0041507eel

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Nitrogen-doped hierarchical porous carbons were synthesized by direct pyrolysis of a double metal organic salt, the disodium zinc tetrahydrate of ethylenediamine tetraacetic acid (EDTA) at 600-700 degrees C. The carbon obtained at 700 degrees C has the highest surface area (2818 m(2) g(-1)), pore volume (2.851 cm(3) g(-1)), and abundant nitrogen-containing functional groups as well as oxygen function groups and exhibits high specific capacitance (similar to 258 F g(-1) at 1 A g(-1) in 6 mol L-1 KOH aqueous electrolyte), excellent rate capability, and long cycle life. (C) 2015 The Electrochemical Society. All rights reserved.

引用

页码：A67 / A71

页数：5

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