ELECTRODE CATALYST, AND ANION EXCHANGE MEMBRANE ELECTROCHEMICAL CELL

The present invention provides an electrode catalyst that is excellent in durability, material conductivity, and electrical conductivity and can be produced at a low cost.According to the present invention, there is provided an electrode catalyst including a void-containing body having a void, the void-containing body includes a core part and a skin layer covering the core part, the core part is structured with metal, and the skin layer is structured with an oxide containing Ni.