Catalytic articles containing platinum group metals and non-platinum group metals and methods of making and using same

Aspects of the invention pertain to catalytic articles and methods of making catalytic articles comprising a first catalytic coating comprising a platinum group metal, wherein the first catalytic coating is substantially free of Cu, Ni, Fe, Mn, V, Co, Ga, Mo, Mg, Cr and Zn; a second catalytic coating comprising a non-PGM metal, wherein the second catalytic coating is substantially free of any platinum group metal; and one or more substrates, wherein the first catalytic coating is separated from the second catalytic coating, optionally with a barrier layer. 本发明涉及催化制品和制备催化制品的方法，所述催化制品包含：包含铂系金属的第催化涂层，其中第催化涂层基本不含Cu、Ni、Fe、Mn、V、Co、Ga、Mo、Mg、Cr和Zn；包含非PGM金属的第二催化涂层，其中第二催化涂层基本不含任何铂系金属；和个或多个基质，其中第催化涂层与第二催化涂层分离，任选具有隔离层。