Abstract
In this work, the raspberry-like Pt nanoparticles/polyaniline complexes (PNPC) has been fabricated for methanol electro-oxidation. The PNPC were electrochemically deposited by one-step from solutions simultaneously containing aniline and potassium tetrachloroplatinate. Morphological and structural characterizations demonstrated that the Pt particles with diameters between 2 and 5nm were like frambold of raspberry in polyaniline film. The electrochemical catalytic performance of PNPC was evaluated by cyclic voltammograms and chronoamperometric method. Electrochemical experiment results have amply confirmed that the PNPC have superior electro-catalytic oxidation performance and superior catalytic tolerance to carbonaceous species accumulation toward methanol oxidation. These results indicated that PNPC as catalysts carrier may have prosperous application for fuel cell technology.
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