Facile synthesis of porous Co3O4 nanoplates for supercapacitor applications

被引：13
|
作者：
Geng, Tao [1 ]
Zhang, Li [1 ]
Wang, Hongyan [1 ]
Zhang, Keying [1 ]
Zhou, Xia [1 ]
机构：
[1] Suzhou Univ, Sch Chem & Chem Engn, Anhui Key Lab Spin Electron & Nanomat, Suzhou 234000, Anhui, Peoples R China
来源：
BULLETIN OF MATERIALS SCIENCE | 2015年 / 38卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Co3O4; nanoplates; Co(OH)(2) nanoplates; reflux; supercapacitors; HIGH-CAPACITY; ROUTE;
D O I：
10.1007/s12034-015-0997-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Porous tricobalt tetraoxide (Co3O4) nanoplates with large aspect ratio have been obtained by annealing Co(OH)(2) precursor nanoplates synthesized by a facile reflux method without the need for any template or surfactant. After the heat treatment, the as-obtained phase-pure Co3O4 nanoplates with a well-retained structure were applied as the electrode material for supercapacitors, and the sample exhibits excellent performance with a high specific capacitance of 225 F g(-1) after 2000 charge discharge cycles at 2 A g(-1), corresponding to a retention of 97% of the initial capacitance.
引用
收藏
页码：1171 / 1175
页数：5
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