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https://doi.org/10.1557/JMR.1996.0247

has been cited by the following article:

• TITLE: Effects of CuO-CeO2 Addition on Structure and Catalytic Properties of Three Way Catalysts

  AUTHORS: Nguyen The Luong, Nguyen Duy Tien, Eiji Yamasue, Hideyuki Okumura, Keiichi N. Ishihara

  KEYWORDS: Three-Way Catalysts (TWCs), Noble Metals, γ-Al2O3 Washcoat, CuO-CeO2, CeO2-ZrO2

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.5 No.12, December 19, 2017

  ABSTRACT: The noble metals (Pt, Pd, Rh) supported on Cu-Ce mixed oxides with γ-Al2O3 washcoat/FeCrAl substrate were investigated as catalytic performance of Three Way Catalysts (TWC) under simulated automotive exhaust feed gas. The structural, morphological features and catalytic activity were observed by X-ray diffractometry (XRD), scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET), X-ray photoelectron spectroscopy (XPS) and GC-TCD (Varian CP-4900). The catalytic performance of noble metals (Pt, Rh, Pd) supported on Cu-Ce mixed oxides with γ-Al2O3 washcoat/FeCrAl substrate was be compared with noble metals (Pt, Rh, Pd) supported on Ce-Zr mixed oxides with γ-Al2O3 washcoat/FeCrAl substrate and only γ-Al2O3 washcoat/FeCrAl substrate at various stoichiometric ratio of oxygen. The results showed that the addition of Cu-Ce mixed oxides improved CO oxidation reaction at lower temperature during stable lambda of 1, the highest CO conversion of 99% is observed for the noble metals (Pt, Pd, Rh) support on Cu-Ce with γ-Al2O3 washcoat/FeCrAl substrate. The results also showed that, the addition of Cu-Ce mixed oxides promoted released oxygen, thus it improved strongly CO and C3H8 conversion at lean oxygen stoichiometric operation.