Cr2O3: a novel supercapacitor electrode material with high capacitive performance

被引：58

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

页码：172 / 175

页数：4

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