Catalyst composite material fuel cell, method for preparing the same, membrane-electrode assembly comprising the same, and fuel cell system comprising the same

摘要

The present invention relates to a catalyst composite material which includes a catalyst characterized by oxygen-reducing activity and which is selected from the group consisting of metals, metal oxides, and combinations thereof, and a resin layer which covers at least a portion of the surface of the catalyst and comprises an anion exchange resin layer and a cation exchange resin layer.