Controllable Synthesis of Hollow Multishell Structured Co3O4 with Improved Rate Performance and Cyclic Stability for Supercapacitors

被引：65
作者：
Wang Cong [1 ,2 ,3 ]
Wang Jiangyan [1 ]
Hu Wenping [2 ,3 ]
Wang Dan [1 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
[2] Tianjin Univ, Sch Sci, Dept Chem, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300072, Peoples R China
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2020年 / 36卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Hollow multishelled structure; Cobalt oxide; Supercapacitor; ELECTROCHEMICAL PERFORMANCE; FACILE SYNTHESIS; NANOWIRE ARRAYS; NI FOAM; MICROSPHERES; ELECTRODE; SPHERES; GROWTH; NANOSTRUCTURES; MORPHOLOGY;
D O I：
10.1007/s40242-019-0040-3
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hollow multishelled structures(HoMSs) Co3O4 with specially appointed shell number(double-, triple- and quadruple-) were accurately prepared by a sequential templating approach. Due to the superiorities of inimitable porous multishelled structure, triple-HoMSs Co3O4 achieved the best performance among all the samples with a specific capacitance of 1028.9 F/g at 10 mV/s and 688.2 F/g at 0.5 A/g, respectively. Furthermore, the electrode delivered a high rate performance(89.8% retention at 10 A/g) and excellent cycle stability(6.8% loss over 2000 cycles), showing a great promise for practical application in the future.
引用
收藏
页码：68 / 73
页数：6
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