Cr2O3: a novel supercapacitor electrode material with high capacitive performance

被引：56
作者：
Xu, Xiaoyang [1 ]
Wu, Jinze [1 ]
Yang, Nian [1 ]
Na, Heya [1 ]
Li, Lingzhi [1 ]
Gao, Jianping [1 ,2 ]
机构：
[1] Tianjin Univ, Sch Sci, Tianjin 300072, Peoples R China
[2] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 142卷
基金：
美国国家科学基金会;
关键词：
Energy storage and conversion; Particles; NANOTUBES;
D O I：
10.1016/j.matlet.2014.12.022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cr2O3 was prepared using a simple hydrothermal procedure followed by annealing and then used as the electrode material in supercapacitors. The as-prepared Cr2O3 exhibited good electrochemical performances. The maximum specific capacitances were 203 F/g at 10 mV/s and 130 F/g at 1 A/g. The Cr2O3 also showed good cycle-life stability and a low resistance, so Cr2O3 is a promising electrode material for supercapacitors. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：172 / 175
页数：4
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