Fabrication of γ-MnS/rGO composite by facile one-pot solvothermal approach for supercapacitor applications

被引：187
作者：
Li, Xianfu [1 ]
Shen, Jianfeng [1 ]
Li, Na [1 ]
Ye, Mingxin [1 ]
机构：
[1] Fudan Univ, Ctr Special Mat & Technol, Shanghai 200433, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2015年 / 282卷
关键词：
Supercapacitors; Graphene; Solvothermal synthesis; Manganese sulfide; LITHIUM-ION BATTERIES; HIGH-PERFORMANCE SUPERCAPACITORS; PARTIALLY GRAPHITIC STRUCTURE; HYDROTHERMAL SYNTHESIS; ELECTRODE MATERIAL; MANGANESE SULFIDE; ELECTROCHEMICAL PROPERTIES; CARBON MICROSPHERES; STORAGE PROPERTIES; NANOWIRE ARRAYS;
D O I：
10.1016/j.jpowsour.2015.02.057
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
gamma-MnS/reduced graphene oxide (gamma-MnS/rGO) composite was successfully fabricated via a facile one-pot solvothermal route using graphene oxide (GO), thioacetamide (TM, CH3CSNH2) and MnCl2.4H(2)O as reactants. It reveals that TM plays an important role in reducing GO and sulfurizing gamma-MnS. The synthesized composite was characterized via X-ray diffraction and scanning electron microscopy for structural and morphological studies. Electrochemical performance was also investigated through cyclic voltammetry and galvanostatic charge discharge. As for the application of supercapacitors, the gamma-MnS/ rGO composite shows a great value of 802.5 F g(-1) at a current density of 5 A g(-1). Furthermore, the capacitance of gamma-MnS/rGO has no decrease of its initial values after 2000 cycles. The galvanostatic charge discharge curve demonstrates the ideal capacitive behavior of gamma-MnS/rGO composite electrodes. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：194 / 201
页数：8
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