High-stability carbon-supported platinum-copper catalyst for oxygen reduction and preparation method thereof

Abstract

The application discloses a high-stability carbon-supported platinum-copper catalyst applied to oxygen reduction and a preparation method thereof, and belongs to the field of cathode catalytic materials of proton exchange membrane fuel cells; the carbon-supported platinum-copper catalyst is prepared by simultaneously connecting platinum and copper ions through triphenylphosphine, fixing the platinum and copper ions by using a carbon carrier, performing chemical reduction, forming a stable precursor, and then pyrolyzing and carbonizing under an inert atmosphere; the carbon-supported platinum-copper catalyst has a short-range ordered and closely combined PtCu phase, can efficiently catalyze an oxygen reduction reaction, and does not attenuate catalytic activity after long-time accelerated durability testing.

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