Hierarchical design of Ni3S2@Co9S8 nanotubes for supercapacitors with long cycle-life and high energy density

•Hierarchical NiS@CoS nanotubes are designed with high supercapacitor performance.•NiS@CoS nanotubes exhibit high specific capacitance of 9.79 F cm−2 at 2 mA cm−2.•The capacity of NiS@CoS nanotubes remains 80.8% after 10000 at 20 mA cm−2.•The NiS@CoS-12//AC HSC device shows ultrahigh energy density...

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Veröffentlicht in:	Journal of alloys and compounds 2022-04, Vol.900, p.163503, Article 163503
Hauptverfasser:	Lin, Yifeng, Chen, Xiaoyu, Chang, Pu, Liu, Zhongli, Ren, Guohe, Tao, Junguang
Format:	Artikel
Sprache:	eng
Schlagworte:	Activated carbon Cobalt sulfide Energy storage Flux density High energy density Metal sulfides Nanostructure Nanotubes Nickel sulfide Nickel sulfides Supercapacitors Transition metals
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