MnOx Modified Fiber-Shaped Co As an Efficient Catalyst for Hydrazine Electro-Oxidation (original) (raw)

ECS Meeting Abstracts, 2020

Abstract

In this study, MnOx modified fiber-shaped Co nanocomposites have been fabricated via electrochemical deposition with the aim to use them as electrocatalysts in direct hydrazine fuel cells (DHFCs). The electrocatalytic activity of the MnOx modified fiber-shaped Co nanocomposites towards the electro-oxidation of hydrazine in an alkaline medium has been investigated using cyclic voltammetry and chrono-techniques. Scanning Electron Microscopy, X-ray diffraction and Inductively Coupled Plasma Optical Emission Spectroscopy have been used for the characterization of the surface morphology, structure and composition of the prepared catalysts. It was found that the MnOx modified fiber-shaped Co nanocomposites have significantly higher catalytic activity towards the electro-oxidation of hydrazine as compared to that of the bare fiber-shaped Co. Moreover, modification of the fiber-shaped Co coating with MnOx leads to the rather pronounced shift in the hydrazine electro-oxidation potential to m...

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