Citation: Subir Paul, Asmita Ghosh. Electrochemical characterization of MnO₂ as electrocatalytic energy material for fuel cell electrode[J]. Journal of Fuel Chemistry and Technology, ;2015, 43(3): 344-351. shu

Electrochemical characterization of MnO₂ as electrocatalytic energy material for fuel cell electrode

Subir Paul ^, ,
Asmita Ghosh

1.
Department of Metallurgical and Material Engineering, Jadavpur University, Kolkata 700032, India

Corresponding author: Subir Paul,
Received Date: 5 November 2014
Available Online: 20 January 2015

Development of inexpensive non Pt based high electrocatalytic energy materials is the need of the hour for fuel cell electrode to produce clean alternative green energy from synthesized bio alcohol using biomass. MnO₂, electro synthesized at different current density is found to be well performed electrocatalytic material, comparable to Pt, with higher current density, very low overvoltage for the electrochemical oxidation of methanol. From EIS study, the polarization resistance of the coated MnO₂ 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 morphology of SEM images exhibits an enhanced 3D effective substrate area, for electro oxidation of the fuel. A few nano structured grains of the deposited MnO₂ is also observed at higher current density. The fact supports that a high energetic inexpensive electro catalytic material has been found for fuel cell electrode to synthesis renewable energy from methanol fuel.
- electro catalytic,
- energy material,
- fuel cell impedance,
- polarization,
- electro coating
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通讯作者: 陈斌, bchen63@163.com

Electrochemical characterization of MnO₂ as electrocatalytic energy material for fuel cell electrode