Abstract
Catalytic layers of platinum-ruthenium of preliminarily specified compositions are manufactured with the aid of ion exchange and subsequent chemical and electrochemical reduction in polymeric Nafion films applied onto carbonaceous materials and inside a standard Nafion 117 membrane. The procedure used for conducting the ion-exchange procedure ensures a high process rate and a short time required to conduct it, which makes it possible to obtain large roughness factors at relatively small contents of platinum metals (0.1–0.2 mg cm−2). The electrochemical activity of catalyzed membrane samples for methanol oxidation in aqueous and sulfuric acid solutions is close to the activity of standard E-TEK platinum-ruthenium catalysts.
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Translated from Elektrokhimiya, Vol. 41, No. 12, 2005, pp. 1476–1484.
Original Russian Text Copyright © 2005 by Tuseeva, Mikhailova, Khazova, Grinberg, Kourtakis.
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Tuseeva, E.K., Mikhailova, A.A., Khazova, O.A. et al. Platinum-Ruthenium Catalysts, Manufactured by Means of Ion Exchange in Nafion Layers. Russ J Electrochem 41, 1316–1324 (2005). https://doi.org/10.1007/s11175-005-0220-y
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DOI: https://doi.org/10.1007/s11175-005-0220-y