Hydrothermal preparation of nickel-manganese oxide with microsphere structure grown on Ni foam and supercapacitive performance

被引：10
|
作者：
Wei, Hongmei [1 ]
Wang, Jinxing [1 ]
Yu, Le [1 ]
Zhang, Yangyang [1 ]
Hou, Dewen [1 ]
Li, Tengfei [1 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 187卷
基金：
中国国家自然科学基金;
关键词：
Nickel-manganese oxide; Microstructure; Energy storage and conversion; Supercapacitors; ELECTROCHEMICAL ENERGY-STORAGE; ELECTRODES;
D O I：
10.1016/j.matlet.2016.10.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nickel-manganese oxide film with unique morphology was synthesized and its electrochemical performances were also investigated. The addition of nickel element affects significantly capacitive behaviors of the as obtained powder. As an electrode material in supercapacitor, nickel-manganese oxide exhibited high specific capacitance of 407 F g(-1) at 1 A g(-1) and excellent cycling stability of 98.4% retention after 1000 cycles. Its outstanding electrochemical properties are mainly attributed to the synergistic effect between nickel and manganese elements and its novel architecture.
引用
收藏
页码：11 / 14
页数：4
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