Fabrication of MnO2/nanoporous 3D graphene for supercapacitor electrodes

被引：40
|
作者：
Sun, Shumin [1 ]
Wang, Peiyuan [1 ]
Wang, Shen [1 ]
Wu, Qiong [1 ]
Fang, Shaoming [1 ]
机构：
[1] Zhengzhou Univ Light Ind, Henan Prov Key Lab Surface & Interface Sci, Zhengzhou 450001, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 145卷
基金：
中国国家自然科学基金;
关键词：
MnO2; 3D nanoporous graphene; Supercapacitor; Energy storage and conversion; CHEMICAL-VAPOR-DEPOSITION; OXIDE COMPOSITE; MNO2; NETWORKS; FOAM;
D O I：
10.1016/j.matlet.2015.01.061
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanoporous 3D graphene was fabricated using NH2-SiO2 particles as a sacrificial template. For further capacitance boost, MnO2 was firstly deposited onto the nanoporous 3D graphene through the reaction between KMnO4 and graphene via the hydrothermal method. Owing to the synergistic effect between the unique nanoporous 3D graphene and the high specific capacitance of MnO2, the MnO2/nanoporous 3D graphene electrode demonstrated excellent electrochemical performance, including a high specific capacitance and an extended long cycle life. This work showed that the MnO2/nanoporous 3D graphene could present significant potential for energy storage applications. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：141 / 144
页数：4
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