ZIF-67 Derived MnO2 Doped Electrocatalyst for Oxygen Reduction Reaction

In this study, zeolitic imidazolate framework (ZIF-67) derived nano-porous carbon structures that were further hybridized with MnO2 tested for oxygen reduction reaction (ORR) as cathode material fuel cells. The prepared electrocatalyst was characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and Energy Dispersive Analysis (EDX). Cyclic voltammetry performed on these materials at different scan rates under dissolved in basic media (0.1 M KOH), inert rich conditions to obtain their I–V curves. Electrochemical impedance spectroscopy (EIS) Chronoamperometry also observe the materials’ stability. We report improved performance of catalyst ORR based cyclic EIS results, which show it can be a potential candidate cell applications.