Journal
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
Volume 14, Issue 2, Pages 169-174Publisher
SPRINGER
DOI: 10.1007/s10008-009-0892-4
Keywords
PANI-SnO2 composites; Pt/PANI-SnO2 catalyst; Electrocatalytic activity; Methanol electro-oxidation; Electrochemical properties
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Funding
- New Century Excellent Talents in University [NCET-04-0765]
- National Natural Science Foundation of China [50172014, 20675027]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars
- State Education Ministry [2001-498]
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Polyaniline-tin dioxide (PANI-SnO2) composites were prepared by chemical polymerization method, and characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, and X-ray diffraction. Due to the good stability in diluted acidic solution, PANI-SnO2 composites were selected as the catalyst support and second catalyst for methanol electro-oxidation. The electrocatalytic properties of the PANI-SnO2 supported Pt catalyst (Pt/PANI-SnO2) for methanol oxidation have been investigated by cyclic voltammetry, chronoamperometry, and chronopotentiometry. Under the same loading mass of Pt, the Pt/PANI-SnO2 catalyst shows higher electrocatalytic activity towards methanol electro-oxidation than Pt/SnO2 catalyst.
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