Investigation of a Cathodic Bimetallic Catalyst Based on Platinum and Cobalt for Application in Direct Methanol Fuel Cells

A PtCo catalyst was synthesized by using a specific colloidal preparation route and a carbothermal reduction at 800°C. This treatment, caused the occurrence of a primitive cubic ordered (L1 2 ) phase, and a mean crystallite size of 3.3 nm, as well as a suitable degree of alloying. The electrocatalys...

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Bibliographic Details
Published inECS transactions Vol. 58; no. 1; pp. 1715 - 1721
Main Authors D'urso, Claudia, Baglio, Vincenzo, Sebastian, David, Stassi, Alessandro, Aricò, Antonino S.
Format Journal Article
LanguageEnglish
Published 01.01.2013
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Summary:A PtCo catalyst was synthesized by using a specific colloidal preparation route and a carbothermal reduction at 800°C. This treatment, caused the occurrence of a primitive cubic ordered (L1 2 ) phase, and a mean crystallite size of 3.3 nm, as well as a suitable degree of alloying. The electrocatalyst was subjected to the pre-leaching procedure to modulate the surface characteristics. The catalyst after the carbothermal reduction at 800°C was further investigated at the cathode of a direct methanol fuel cell (DMFC). A comparison with a commercial Pt catalyst was carried out. A higher performance in DMFC was obtained by using the bimetallic PtCo catalyst.
ISSN:1938-5862
1938-6737
DOI:10.1149/05801.1715ecst