Journal
MATERIALS RESEARCH INNOVATIONS
Volume 19, Issue -, Pages S255-S259Publisher
MANEY PUBLISHING
DOI: 10.1179/1432891715Z.0000000001556
Keywords
Supercapacitor; NiCo2O4; Electrodeposition; Electrochemical performance
Categories
Funding
- Beijing Natural Science Foundation [2132014]
- Beijing University of Technology Basic Research Foundation [X4102001201101]
- Project of Construction of Innovative Teams and Teacher Career Development for Universities and Colleges under Beijing Municipality [IDHT20140504]
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The ultrathin, ternary nickel cobaltite (NiCo2O4) nanosheets supported on Nickel foam (NF) were prepared via a facile two step process, which includes electrodeposition method combined with a thermal treatment. The scanning electron microscopy (SEM) and transmission electron microscopy (TEM) characterisation of as-prepared material demonstrates the nanostructure grown on Ni foam is consisted of NiCo2O4 layer and NiCo2O4 nanosheets. The as-prepared samples are directly fabricated as electrodes for supercapacitors, and the outstanding electrochemical performance of 2517 F g(-1) is achieved at 1 A g(-1) with a mass loading of 1.2 mg cm(-2). The cyclic stability is also tested under current density of 8 A g(-1), and 64% of initial capacitance is still maintained after 800 cycles. The excellent electrochemical performance of the as-prepared nanosheets suggests their promising application as supercapacitor electrode material.
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