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13. Electrochemical behaviour of carbon supported Pt electrocatalysts for H2O2 reduction

Author

Morais, A.L., Salgado, J.R.C., Šljukić, B., Santos, D.M.F., and Sequeira, C.A.C.

Subjects
*PLATINUM alloys, *HYDROGEN, *ELECTROCHEMISTRY, *PLATINUM catalysts, *CARBON electrodes, *CHEMICAL reduction, *ACID solutions
Abstract

Abstract: Carbon supported bimetallic Pt-alloys (Pt0.75M0.25/C, with M = Ni or Co) are investigated as novel electrode materials for H2O2 reduction in acid solution. The alloy electrocatalysts, Pt0.75Ni0.25/C and Pt0.75Co0.25/C, as well as carbon supported Pt (Pt/C) are characterised using cyclic voltammetry. The electrocatalytic activity of the materials is studied using a rotating disc electrode system with a combination of linear scan voltammetry and chronoamperometry. It is found that the activity of Pt0.75M0.25/C electrocatalysts for H2O2 reduction is comparable to the activity of Pt/C electrocatalyst, with Pt0.75Co0.25/C exhibiting the best performance. [Copyright &y& Elsevier]

Published
2012
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