Co3S4/NiCo2S4 Nano-Arrays on Nickel Foam as Energy Storage for Supercapacitors

被引：0

作者：

Meng, Xiang-Sen ^{[1
]}

Xiang, Jun ^{[1
]}

Bu, Nan ^{[1
]}

Guo, Yan ^{[1
]}

Loy, Sroeurb ^{[1
]}

Yang, Wen-Duo ^{[1
]}

Chen, Hong-Quan ^{[1
]}

Zhao, Rong-Da ^{[1
]}

Wu, Fu-Fa ^{[1
]}

机构：

[1] Liaoning Univ Technol, Sch Mat Sci & Engn, Jinzhou 121001, Peoples R China

来源：

JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2021年 / 16卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Supercapacitors; Co3S4/NiCo2S4; Electrochemical Performance; Cycling Stability; Specific Capacitance; ENHANCED-PERFORMANCE; COBALT SULFIDE; ELECTRODES; DENSITY; OXIDE;

D O I：

10.1166/jno.2021.3033

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, Co3S4/NiCo2S4 nano-arrays electrode with Co3S4 nanocones and NiCo2S4 nanosheets interlaced arrangement are prepared by the promising hydrothermal method. Compared with single Co3S4/NF or NiCo2S4/NF electrode, the prepared Co3S4/NiCo2S4/NF electrode exhibits excellent specific capacitance. At a current density of 2 mA cm(-2), the surface capacitance is as high as 9036 mF cm(-2), and it still maintains a surface capacitance of 5664 mF cm(-2) at a current density of 8 mA cm(-2). Co3S4/NiCo2S4/NF parallel to ASC has a high electrochemical performance with a maximum energy density of 0.62 Wh cm(-3) and a power density of 15.94 W cm(-3). At a current density of 5 mA cm(-2), the capacity retention rate is 83.75% after 3000 cycles.

引用

页码：891 / 904

页数：14

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