Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 107, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.inoche.2019.107469
Keywords
Ion diffusion; Ni3S2/NiO; Nanocomposites; Supercapacitor
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Funding
- National Natural Science Foundation of China [21477138, 21607161]
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In this work, the Ni3S2/NiO nanocomposites have been synthesized by a simple ion diffusion method and subsequent calcination. The characterization of as-prepared samples has been tested by means of XRD, FTIR, TG-DTG, BET, SEM and XPS. The obtained Ni3S2/NiO presents mixed-phase and aggregated granular morphology. The specific capacitance value of as-fabricated Ni3S2/NiO electrode is 459 Fg(-1) and the capacitance retention is 90.2% after 4000 cycles at 2 A g(-1). The much higher capacitance and retention than pure NiO (220 F g(-1) and 75.1%) suggest the Ni3S2/NiO materials should be one of the suitable materials for super capacitor application.
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