Katalysator für eine Brennstoffzelle, Verfahren zur Herstellung des Katalysators, Membran-Elektroden-Einheit und Brennstoffzelle mit dem Katalysator

摘要

The present invention includes a catalyst for a fuel cell which contains a transition element core (1), and a surface layer (3) that contains at least one selected from the group including platinum, a platinum-transition element alloy, and a combination thereof, and that exists on the surface of the core. The catalyst being prepared without a surfactant.