Fig. 4.

Temperature-programmed methanol steam reforming on the “In-rich” 4 MLE PdIn NSIP annealed at 453 K (upper panel) vs. MSR reaction on “In-lean” PdIn NSIP (lower panel). Reaction conditions: 12 mbar methanol, 24 mbar water, 977 mbar He; linear temperature ramp (∼8 K/min) up to 623 K, followed by isothermal reaction for 25 min. The decrease in the formation rates in the isothermal region is caused by progressive carbon-induced catalyst deactivation. Complete reaction mass balance involving stoichiometric hydrogen formation was verified by mass spectrometry analysis.