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- W3212547237 abstract "• Amorphous vanadium doped cobalt sulfide hollow sphere is fabricated. • The electrochemical results shows better behavior than hollow spheres V-CO electrode. • The asymmetric supercapacitor is congregated by V-CS and AC electrodes. • The as-prepared device displays 88.29 Wh kg −1 at a power density of 486 W kg −1 . Metal-organic frameworks (MOFs) have appeared as a new option for constructing various functional materials for energy storage applications. In this work, a novel amorphous vanadium doped Co 3 S 4 (V-CS) hollow sphere is synthesized through a facile method. Due to the unique structure, the amorphous V doped Co3S4 provides large amount of active sites for better storage energy. A remarkable specific capacitance of 1725 F g −1 at the current density of 0.3 A g −1 was achieved for this electrode. Further, the as-fabricated asymmetric supercapacitor device contains the V-CS electrode and activated carbon electrode (positive and negative, respectively) lead to outstanding performance with maximum energy and power densities of 88.29 Wh kg −1 and 486 W kg −1 , respectively, that is better than traditional supercapacitors. In addition, the fabrication process illustrated in this article is facile, controllable, and economical, offering a viable method for fabricating the next generation of high-performance energy storage devices." @default.
- W3212547237 created "2021-11-22" @default.
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- W3212547237 date "2022-02-01" @default.
- W3212547237 modified "2023-09-23" @default.
- W3212547237 title "Amorphous V-doped Co3S4 yolk-shell hollow spheres derived from metal-organic framework for high-performance asymmetric supercapacitors" @default.
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- W3212547237 doi "https://doi.org/10.1016/j.jallcom.2021.162720" @default.
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