Abstract
A cost-effective bimetallic NiCo2O4@nitrogen-doped carbon (NC) nanocomposite was prepared through bimetallic nickel/cobalt metal organic frameworks (Ni/Co-MOF) by employing a smart approach to utilize the waste Polyethylene terephthalate (PET) plastics for energy storage applications. The NiCo2O4@NC nanocomposite was characterized successfully using analytical techniques. The nanocomposite comprises high surface area (813 m2 g− 1) and mesoporosity (~ 15 nm). NiCo2O4@NC nanocomposite demonstrates excellent electrochemical performance with high specific capacitance of ~ 890 F g− 1 at 5 mV s− 1 and ~ 913 F g− 1 at 1 A g− 1 in 6 m KOH electrolyte. The cyclic stability tests confirm excellent retention capacity (~ 99%) with fifty cyclic segments. Low-cost, environmental friendly approach, and rich redox activity of NiCo2O4@NC nanocomposite make it an alternate potential electrode material for energy storage devices.
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The authors extend their sincere appreciation to the Deanship of Scientific Research at King Saud University for funding this Research Group (RG-1435-007).
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Alhokbany, N., Ahmed, J., Ubaidullah, M. et al. Cost-effective synthesis of NiCo2O4@nitrogen-doped carbon nanocomposite using waste PET plastics for high-performance supercapacitor. J Mater Sci: Mater Electron 31, 16701–16707 (2020). https://doi.org/10.1007/s10854-020-04224-7
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DOI: https://doi.org/10.1007/s10854-020-04224-7