Fuel Cell Electrode Catalyst with Reduced Noble Metal Amount and Solid Polymer Fuel Cell Comprising the Same

摘要

An object of the present invention is to reduce the amount of catalytic metal such as Pt in a fuel cell. The present invention provides a fuel cell electrode catalyst comprising a conductive carrier and catalytic metal particles, wherein the CO adsorption amount of the electrode catalyst is at least 30 mL/g.Pt.