Facilely constructing 3D porous NiCo2S4 nanonetworks for high-performance supercapacitors

被引：143
|
作者：
Liu, Yang [1 ]
Zhang, Jianan [1 ]
Wang, Shoupei [1 ]
Wang, Kaixi [1 ]
Chen, Zhimin [1 ]
Xu, Qun [1 ]
机构：
[1] Zhengzhou Univ, Coll Mat Sci & Engn, Zhengzhou 450001, Peoples R China
来源：
NEW JOURNAL OF CHEMISTRY | 2014年 / 38卷 / 09期
基金：
中国国家自然科学基金;
关键词：
ELECTRODE MATERIALS; NANOSHEET ARRAYS; GRAPHENE;
D O I：
10.1039/c4nj00816b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Three-dimensional (3D) porous NiCO2S4 nanonetworks were fabricated on nickel foam (NF) through an anion exchange reaction between NiCo2O4 nanosheets (hydrothermally grown on NF) and Na2S, and showed a very high specific capacitance of 1501.2 F g(-1) at 1 A g(-1) (even 2.5 times higher than that of NiCo2O4 nanosheets) and robust cycling stability for supercapacitors.
引用
收藏
页码：4045 / 4048
页数：4
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