Preparation of α-MnO2/Ag/RGO hybrid films for asymmetric supercapacitor

被引：24
作者：
Sun, Shiqing [1 ,2 ]
Jiang, Guohua [1 ,2 ,3 ,4 ]
Liu, Yongkun [1 ,2 ]
Yu, Bo [1 ,2 ]
Evariste, Uwamahoro [1 ,2 ]
机构：
[1] Natl Engn Lab Text Fiber Mat & Proc Technol Zheji, Hangzhou 310018, Peoples R China
[2] Minist Educ, Key Lab Adv Text Mat & Mfg Technol ATMT, Hangzhou 310018, Peoples R China
[3] Zhejiang Sci Tech Univ, Dept Polymer Mat, Hangzhou 310018, Peoples R China
[4] Zhejiang Sci Tech Univ, Inst Smart Fiber Mat, Hangzhou 310018, Peoples R China
来源：
JOURNAL OF ENERGY STORAGE | 2018年 / 18卷
关键词：
Nanocomposites; Electrical properties; Energy storage; Supercapacitor; CARBON NANOFIBERS; NANOSHEETS; OXIDE; NANOPARTICLES; CONSTRUCTION; GROWTH;
D O I：
10.1016/j.est.2018.05.010
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The negative electrode materials are crucial to improve electrochemical performance in asymmetric supercapacitors (ASCs) as well as positive electrode. Herein, the alpha-MnO2/Ag/RGO hybrid films were prepared by a facile and rapid natural deposition technique and exhibit good electrochemical performance with specific capacitance of 804.6 F g(-1) at 1 A g(-1). The ASCs were further fabricated using NiCoS2/CNFs and alpha-MnO2/Ag/RGO film as positive and negative electrodes. The operation potential window of ASCs was 0-1.6 V. The fabricated ASCs exhibited the maximum energy density of 44.2 Wh kg(-1) at a power density of 288.2Wkg(-1). The asfabricated ASCs has a great potential for application in portable and wearable energy-storage systems.
引用
收藏
页码：256 / 258
页数：3
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