Preparation and characterization of Pd/PPy-SDS/foam-Ni and Pd/PPy-CTAB/foam-Ni electrodes with high electroactive surface area

摘要

Surfactant-doped electrodes, palladium/polymeric pyrrole-sodium dodecyl sulfate/foam-nickel (Pd/PPy-SDS/foam-Ni) electrode and palladium/polymeric pyrrole-cetyl trimethyl ammonium bromide/foam-nickel (Pd/PPy-CTAB/foam-Ni) electrode, were prepared by electrochemical deposition method. The characteristics of the prepared electrodes were investigated. Based on the results of scanning electron microscope, X-ray diffraction, inductively coupled plasma-atomic emission spectrometry, and cyclic voltammetry tests, both of the two surfactants could improve the electrodes' electrocatalytic activity. Results also indicate that Pd/PPy-SDS/foam-Ni electrode has higher catalytic potential capability than Pd/PPy-CTAB/foam-Ni electrode.