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Catalytic Activity for hydrogen evolution at conducting polymer(s) modified platinum electrodes in the sulphuric acid solution

Reaction of hydrogen evolution, HER, at conducting polymers (poly o-ethoxyaniline, POEA, and polyaniline-poly o-ethoxyaniline, PANI-POEA, co-polymer)is proceeding similarly to the pure Pt electrode, ie. as a two-step faradaic reaction involving adsorption of hydrogen intermediate. generally, higher acticity for HER is observed at the co-polymer than pure polymer modified Pt electrode.

Conducting polymers; Modified electrodes; Hydrogen evolution reaction

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