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Durability testing carbon support corrosion

Other than ex situ testing based on half-cell systems, in situ tests in full cells are conducted to further understand the durability issues for Pt-alloy based catalysts. Comparison of the results from different test systems can yield much useful information. Investigating the influence of carbon support corrosion, Pt dissolution, and sintering, Arico et al. (2008) evaluated the stability of Pt/C and Pt-Co/C in both a gas-fed sulfuric acid electrolyte half-cell at 75°C and a PEM fuel cell at 130°C. Results in sulfuric acid revealed the Pt-Co alloy to be more stable than Pt after cycling and more sensitive to carbon support corrosion. In high-temperature PEM fuel cell testing, Pt-Co/C showed smaller sintering effects than Pt/C. [Pg.21]

See other pages where Durability testing carbon support corrosion is mentioned: [Pg.1054]    [Pg.678]    [Pg.78]    [Pg.363]    [Pg.499]    [Pg.500]    [Pg.1]    [Pg.39]    [Pg.43]    [Pg.316]    [Pg.306]    [Pg.118]    [Pg.17]    [Pg.137]    [Pg.170]    [Pg.75]   


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