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

页码：4045 / 4048

页数：4

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