Capacitance of MnO2 micro-flowers decorated CNFs in alkaline electrolyte and its bi-functional electrocatalytic activity toward hydrazine oxidation

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Abstract

Well-dispersed MnO2 micro-flowers were grown directly on carbon nanofibers via a simple hydrothermal technique without any template. Structure and morphology were characterized by X-ray diffraction (XRD) and field-emission scanning electron microscopy (FESEM) equipped with rapid energy dispersive analysis X-ray (EDX). The appealed characterization techniques specified that the obtained material is carbon nanofibers decorated by MnO2 micro-flowers. Super capacitive performance of the MnO2 micro-flowers decorated CNFs as active electrode material was evaluated by cyclic voltammetry (CV) in alkaline medium and yield a reasonable specific capacitance of 120 Fg-1 at 5 mV s-1. As an electrocatalyst for hydrazine oxidation, the MnO2 micro-flowers decorated CNFs showed high current density. The impressive bi-functional electrochemical activity of MnO2 micro-flowers decorated CNFs is mainly attributed to its unique architectural structure.

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APA

Ji, S. M., Ghouri, Z. K., Elsaid, K., Ko, Y. H., Al-Meer, S., Ahmad, M. I., … Kim, H. Y. (2017). Capacitance of MnO2 micro-flowers decorated CNFs in alkaline electrolyte and its bi-functional electrocatalytic activity toward hydrazine oxidation. International Journal of Electrochemical Science, 12(3), 2583–2592. https://doi.org/10.20964/2017.03.73

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