N-doDed mesoporous carbon integrated on carbon cloth for flexible supercapacitors with remarkable performance

被引：14
|
作者：
Zhang, Qian [1 ]
Wang, Ni [1 ]
Zhao, Peng [1 ]
Yao, Mengqi [1 ]
Hu, Wencheng [1 ]
机构：
[1] Univ Elect Sci & Technol China, Ctr Appl Chem, Chengdu 610054, Sichuan, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2018年 / 53卷 / 20期
关键词：
FIBER PAPER; POLYPYRROLE; ELECTRODE; MNO2; NETWORKS; SPHERES; ARRAYS; WIRE; FILM;
D O I：
10.1007/s10853-018-2654-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nitrogen (N)-doped carbon cloth (NCC) was obtained by carbonizing polypyrrole coated on the CC to improve the specific surface area and introduce nitrogen functional groups. The surface area of the NCC was 147 m(2) g(-1), which was 16.7 times that of CC (8.8 m(2) g(-1)). X-ray photoelectron spectroscopy demonstrated that two types of N dopants (pyrrolic-N and quaternary-N) were successfully doped in the NCC. The NCC had a high specific capacitance of 1.2 F cm(-2) at 8 mA cm(-2) as determined using a three-electrode system in 1 M Na2SO4. The asymmetric supercapacitor used with the NCC as negative electrode exhibited an energy density of 2.43 mWh cm(-3) at 208 mW cm(-3) with a voltage window of 2 V.
引用
收藏
页码：14573 / 14585
页数：13
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