The primary components of LNT catalysts include: - Platinum (Pt): Acts as the main catalyst for oxidation and reduction reactions. - Barium (Ba): Serves as the NOx storage material. - Cerium (Ce): Enhances the oxygen storage capacity and helps in maintaining proper catalyst function over time. - Support Material: Usually, a high surface area material like alumina (Al2O3) is used to disperse the active components effectively.
