AbdelHamid, A. A., Yang, X., Yang, J., Chen, X., & Ying, J. Y. (2016). Graphene-wrapped nickel sulfide nanoprisms with improved performance for Li-ion battery anodes and supercapacitors. Nano Energy, 26, 425–437. https://doi.org/10.1016/j.nanoen.2016.05.046
Abstract:
Nickel sulfide and graphene-wrapped nickel sulfide nanoprisms were synthesized using a facile one-pot method and evaluated as anode materials for Li-ion batteries, and as supercapacitor electrodes. Graphene wrapping significantly improved the performance of nickel sulfide both as Li-ion battery anode and supercapacitor electrode. As Li-ion battery anode, graphene-wrapped nickel sulfide nanoprisms achieved an excellent specific capacity of over 1200 mAh/g after 100 cycles, and showed improved rate capability. As supercapacitor electrode, nickel sulfide nanoprisms achieved a specific capacitance of over 1000 F/g at a current density of 5 A/g, which is one of the best results reported for nickel sulfide. However, specific capacitance was much lower at 10 and 20 A/g. Introducing graphene significantly improved the specific capacitance of nickel sulfide at high current densities.
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Funding Info:
This research is supported by core funding from: IBN
Grant Reference no. : NA