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
收藏
页码：A67 / A71
页数：5
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