FUEL CELL ELECTROCATALYTIC PARTICLE AND METHOD FOR PRODUCING FUEL CELL ELECTROCATALYTIC PARTICLE

摘要

Disclosed is a catalyst particle having high catalyst activity and a method for producing the catalyst particle. A catalyst particle comprising a core particle which contains a palladium alloy and an outermost layer which contains platinum, wherein an interlayer comprising only palladium as a simple substance is present between the core particle and the outermost layer.