Copper doped manganese ferrites nanoparticles anchored on graphene nano-sheets for high performance energy storage applications

被引：102
|
作者：
Bashir, Bushra [1 ]
Shaheen, Wajeeha [1 ]
Asghar, Muhammad [2 ]
Warsi, Muhammad Farooq [1 ]
Khan, Muhammad Azhar [2 ]
Haider, Sajjad [3 ]
Shakir, Imran [4 ]
Shahid, Muhammad [1 ]
机构：
[1] Islamia Univ, Dept Chem, Baghdad ul Jadeed Campus, Bahawalpur 63100, Pakistan
[2] Islamia Univ, Dept Phys, Baghdad ul Jadeed Campus, Bahawalpur 63100, Pakistan
[3] King Saud Univ, Coll Engn, Dept Chem Engn, Riyadh 11421, Saudi Arabia
[4] King Saud Univ, Coll Engn, Sci Res, POB 800, Riyadh 11421, Saudi Arabia
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 695卷
关键词：
Spinel ferrites; Graphene; Nanocomposite; Supercapacitor; Electrical measurement; Electrochemical activity; NEGATIVE ELECTRODE; FACILE SYNTHESIS; OXIDE; SUPERCAPACITORS; COMPOSITE; CAPACITANCE; NANOSHEETS; NANOCOMPOSITES; CATHODE;
D O I：
10.1016/j.jallcom.2016.10.183
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：
Graphene nanosheets fabricated with copper doped manganese ferrite nanoparticles and the resultant Mn1-xCuxFe2O4/rGO nanocomposite was investigated as electrode material for supercapacitors. Copper doped manganese ferrite nanoparticles chemically anchored on graphene nanosheets exhibited the enhanced capacitive performance as compared to individual components due to the synergistic effect of faradic behavior and electric double layer capacitance. It is observed that the electrical conductivity of manganese ferrites was enhanced by the doping of conducting metal copper ions. Two-probe (I-V) measurements, assured the increased conductivities of copper doped manganese ferrites and Mn1-xCuxFe2O4/rGO nanocomposite. Cyclic voltammetry experiments and electrochemical impedance spectroscopy confirmed the superior electrochemical activity of Mn1-xCuxFe2O4/rGO nanocomposite. The fascinating electrochemical activity of nanocomposite makes it a potential candidate for supercapacitor applications. (C) 2016 Published by Elsevier B.V.
引用
收藏
页码：881 / 887
页数：7
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