期刊
MATERIALS LETTERS
卷 330, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2022.133338
关键词
Energy storage and conversion; Electrodeposition; Supercapacitor; Nickel foam; Cyclic voltammetry
The NiCo2S4/nickel foam composite electrodes were prepared by cyclic voltammetric deposition of NiCo2S4 arrays on nickel foam, and the performance of the composite electrodes as supercapacitors was investigated. The electrode with 5 deposition cycles exhibited the highest supercapacitor performance, with a specific capacitance of 2244.8 F/g at a current density of 1 A/g; it also showed a capacitance retention rate of 66% and a Coulombic efficiency of 99% after 1000 charge/discharge cycles.
The NiCo2S4/nickel foam composite electrodes have been fabricated by cyclic voltammetric deposition of NiCo2S4 arrays on nickel foam, and the supercapacitor performance of the composite electrodes has been investigated. The results show that the electrode with 5 deposition cycles has the highest supercapacitor per-formance. It achieves a specific capacitance of 2244.8 F/g at current density of 1 A/g; it still has a capacitance retention rate of 66 % and a Coulombic efficiency of 99 % after 1000 cycles of charge/discharge.
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