Abstract

A series of x wt% Pt/LaCoO3/K/Al2O3 (x = 0, 0.3 and 1.0) were synthesized for NOx storage and reduction. 0.3 wt% Pt/LaCoO3/K/Al2O3 shows higher NOx storage capacities, stronger SO2 tolerance and better regenerability than 1.0 wt% Pt/K/Al2O3.

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