A method for producing a functionalized structurized composition for a fuel cell is provided, involving: applying at least one electrode containing catalyst particles to a substrate layer in a coating step, and introducing a depth structure in an electrode surface facing away from the substrate layer in a radiation step using laser interference structurization. A membrane electrode assembly is also provided.

A fuel electrode of a solid oxide cell for carbon dioxide conversion according to an embodiment of the present disclosure includes: a fuel electrode support layer; and a fuel electrode functional layer that is disposed on the fuel electrode support layer. The fuel electrode functional layer includes ceria doped with gadolinium in which at least one catalyst of Pt, Pd, and Ni is supported.