Two lean NOx trap (LNT) catalysts,Pt/BaO/CeO2 + Al2O3 and Pt/BaO/CeO2-Al2O3,were prepared and compared for low-temperature (< 250 ℃) NOx storage and reduction p
A facile approach was developed for the synthesis of polycrystalline palladium nanoparticles (Pd NPs) by using tannic acid (TA) as green reagent and stabilizer