Exhaust gas recirculation for on-board hydrogen production by isooctane reforming: Comparison of performances of metal/ceria–zirconia based catalysts prepared through pseudo sol–gel or impregnation methods

Isooctane reforming under conditions which are set by exhaust gas can be used to generate hydrogen on-board. Isooctane reforming reactivity tests have been performed with bimetallic catalysts Co-noble metal/ceria–zirconia, prepared either by insertion of transition metal in a ceria–zirconia matrix, either by their impregnation on ceria–zirconia. The influence of the preparation procedure on the activity of the noble metal-doped catalysts is discussed.