Enhancement of synergistic effects of Cu2O@MnO2@NiO Using Sarcophrynium Brachystachys leaf extract for supercapacitor electrode application

Enhancement of synergistic effects of Cu2O@MnO2@NiO Using Sarcophrynium Brachystachys leaf extract for supercapacitor electrode application

In recent times, the global population explosion and growing depletion of fossil fuels have compelled academics and scientists to do extensive research on alternate energy sources and energy storage techniques. A hydrothermal approach was used to create Copper (II) oxide (Cu2O), Manganese oxide (MnO...

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Main Authors: Raphael M. Obodo, Hope E. Nsude, Jude N. Udeh, Ekwevugbe Omugbe, Sabastine E. Ugwuanyi, Sabastine C. Ezike, Chimezie U. Eze, Miletus O. Duru, Ishaq Ahmad, M. Maaza
Format: Article
Language:English
Published: Elsevier 2024-10-01
Series:Next Materials
Subjects:
Electrodes
Sarcophrynium Brachystachys
Supercapacitor
Energy storage devices
Energy and power densities. Efficiency
Online Access:http://www.sciencedirect.com/science/article/pii/S2949822824001412
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Summary:In recent times, the global population explosion and growing depletion of fossil fuels have compelled academics and scientists to do extensive research on alternate energy sources and energy storage techniques. A hydrothermal approach was used to create Copper (II) oxide (Cu2O), Manganese oxide (MnO2), Nickel oxide (NiO), and Copper@Manganese@Nickel (Cu2O@MnO2@NiO) oxide composite electrodes. Sarcophrynium Brachystachys leaves extract was used equally as a bolstering mediator. According to the Debye-Scherer equation, the crystallites size of different nanoparticles (NPs) were established to be 29.45, 24.22, 26.33 and 20.24 nm for Cu2O, MnO2, NiO, and Cu2O@MnO2@NiO, respectively, based on X-ray diffraction (XRD) experiments. According to electrochemical examinations, assessed specific capacitances for Cu2O, MnO2, NiO, and Cu2O@MnO2@NiO obtained by cyclic voltammetry (CV) using 1.00 mV/s scan rates are 785, 955, 825 and 1092 F/g, respectively. The obtained results clearly showed that separate metallic oxides specific capacitances compared with composites specific capacitance using Sarcophrynium Brachystachys leaves extract, a biological and natural constituent stands superior. Sarcophrynium Brachystachys leaves extract enhanced the synergistic impact between constituents’ ions via lowering electrode resistances, raising electrode conductivity and improving electrode characteristics.
ISSN:2949-8228

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