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Structural, BET and EPR properties of mixed zinc-manganese spinel ferrites nanoparticles for energy storage applications by Ala Manohar; V. Vijayakanth; S.V. Prabhakar Vattikuti; Ki Hyeon Kim is a Materials Science article available to read on EtoBox.

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X-ray diffraction data (XRD) validated the characteristic crystalline spinel cubic structure and a Field-emission scanning electron microscope/energy dispersive spectroscopy (FE-SEM/EDS) validated the proper stoichiometric element ratio of the prepared materials. By using X-ray photoelectron spectroscopy (XPS), the oxidation state of the elements in the prepared materials was verified. An electron paramagnetic resonance (EPR) spectrometer confirmed that Lande factor (g) values decreased as Zn 2+ concentration in MnFe 2 O 4 increased. The electrochemical (EC) characteristics of the materials were verified during production using a three electrode instrument. The EC performances confirm the EC behavior of the electrode materials. We investigated the EC properties of the electrodes using cyclic voltammetry (CV) and galvanostatic charge-discharge (GCD) methods. The Mn 0.85 Zn 0.15 Fe 2 O 4 (code as: MZF1) electrode material has a specific capacitance (Cs) of 62.96 F/g compared to Mn 0.75 Zn 0.25 Fe 2 O 4 (code as: MZF2) and Mn 0.65 Zn 0.35 Fe 2 O 4 (code as: MZF3) electrode at a current density (CD) of 0.5 A/g. According to recent research, electrode materials should be made with the n

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Author

Ala Manohar; V. Vijayakanth; S.V. Prabhakar Vattikuti; Ki Hyeon Kim

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)