Synthesis and Characterization of MnO2 as Electrocatalytic Energy Material for Fuel Cell Electrode

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Development Inexpensive  non Pt based  high electrocatalytic energy materials is the need of hour for fuel cell electrode to produce clean alternative green energy from synthesized Bio alcohol  from Biomass.  MnO 2 electro synthesized  at different current density is found to be  well performed electrocatalytic material, comparable to Pt, with higher current density, very low over voltage for electrochemical oxidation of methanol . From EIS study, the polarization resistance of the coated MnO 2 is found to be much low and electrical double layer capacitance is high, the effect increases with increase in current density of electro deposition. XRD , EDX and AAS analysis confirm the MnO2 deposition, the amount increases with current density. SEM morphology exhibits  enhanced  3D effective substrate area  for electro oxidation of the fuel and a few nano structured grains of deposited MnO2 at higher  current density. The fact  supports an improved electro catalytic property to be applied as high energetic  materials for fuel cell Electrode. Keywords: Electro catalytic ; Energy Material; Fuel Cell: Impedance; Polarization; Electro coating

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