Electrodeposition of NiS on CoNi2S4 for Flexible Solid-State Asymmetric Supercapacitors

被引：2

作者：

He Ye-Zeng ^{[1
]}

Zhao Hou-Qiang ^{[1
]}

Liu Peng ^{[1
]}

Sui Yan-Wei ^{[1
]}

Wei Fu-Xiang ^{[1
]}

Qi Ji-Qiu ^{[1
]}

Meng Qing-Kun ^{[1
]}

Ren Yao-Jian ^{[1
]}

Zhuang Dong-Dong ^{[2
]}

机构：

[1] China Univ Min & Technol, Sch Mat & Phys, Xuzhou 221116, Jiangsu, Peoples R China

[2] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2021年 / 37卷 / 01期

关键词：

electrochemistry; supercapacitor; synthesis design; CoNi2S4; NiS; electrodeposition; solid-state; SOLVOTHERMAL SYNTHESIS; FACILE SYNTHESIS; NANOTUBE ARRAYS; PERFORMANCE; FOAM; GRAPHENE; SULFIDE; STRATEGY; SHELL;

D O I：

10.11862/CJIC.2021.011

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An effective approach of depositing NiS on CoNi2S4 was adopted to improve the performance of bimetallic cobalt/nickel-sulfide. The as-obtained CoNi2S4@NiS had an excellent specific capacitance of 1 433 F.g(-1) at 1 A.g(-1) and shows a superior rate performance of 69.6% at 10 A.g(-1). A flexible solid-state asymmetric supercapacitor assembled with CoNi2S4@NiS and the reduced graphene oxide showed a high energy density of 36.6 Wh.kg(-1) at a power density of 800 W.kg(-1) and had a fantastic cycle performance of 78.7% retention after 10 000 cycles, indicating that the CoNi2S4@NiS nanocomposite is a promising electrode material for energy storage devices.

引用

页码：171 / 179

页数：9

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