Comparative Study of the Corrosion Behavior
of Platinum-Based Nanosized Cathodic
Catalysts for Fuel Cells

M. R. Tarasevich, V. A. Bogdanovskaya, E. N. Loubnin, and L. A. Reznikova

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences,
Leninskii pr. 31, Moscow, 119991 Russia

Received May 10, 2006

Abstract—The corrosion behavior of nanosized catalysts, in particular, of the commercial platinum catalyst
and of PtCo synthesized on a XC72 carbon black carrier, are compared. Using electrochemical and structural
research methods, it is shown that, under comparable conditions of the corrosion treatment, the PtCo/C system
is less liable to degradation caused by the dissolution or aggregation of the catalyst particles.

DOI: 10.1134/S0033173207070120


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