Catalyst and system for methane steam reforming by resistance heating; said catalyst's preparation

A structured catalyst for catalyzing steam methane reforming reaction in a given temperature range T upon bringing a hydrocarbon feed gas into contact with said structured catalyst, said structured catalyst comprising a macroscopic structure, said macroscopic structure comprising an electrically conductive material, said macroscopic structure having a resistivity between 10−5 Ω-m and 10−7 Ω-m in the given temperature range T, and said macroscopic structure supporting a ceramic coating, wherein the macroscopic structure has been manufactured by extrusion or 3D printing and by subsequent sintering, wherein said macroscopic structure and said ceramic coating have been sintered in an oxidizing atmosphere in order to form chemical bonds between said ceramic coating and said macroscopic structure, wherein said ceramic coating supports catalytically active material, said catalytically active material being arranged to catalyze the steam methane reforming reaction, wherein the macroscopic structure is arranged to conduct an electrical current to supply an energy flux to the steam methane reforming reaction.