Catalysts having low platinum content for fuel cells (original) (raw)

Abstract

The present invention relates to the field of fuel cell, in particular to electrode compositions for fuel cells (PEMFC - Polymer Electrolyte Membrane Fuel Cell) with low platinum content and discloses the use of a compound of formula M1xHy-xM2M312O40, wherein M1 is selected from the group consisting of Cs+, Rb+, K+, NH4+, x represents the number salified protons from M1 in the corresponding acid, M2 is P or Si and M3 is W or Mo; y = 3, when M2 is P and y = 4 when M2 is Si. Said compound is used in a composition with a noble metal or an alloy thereof, preferably Platinum, for the preparation of an electrode composition for fuel cells.

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