LOW WASHCOAT LOADING SINGLE LAYER CATALYST FOR GASOLINE EXHAUST GAS CLEANING APPLICATIONS

A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a single catalyst layer deposited directly on the substrate; wherein the single catalyst layer comprises a first pl...

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Bibliographische Detailangaben
Hauptverfasser: CAMM, Kenneth, HALES, Michael, CHEN, Hai-Ying, KOO, Kwangmo, CHANG, Hsiao-Lan
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a single catalyst layer deposited directly on the substrate; wherein the single catalyst layer comprises a first platinum group metal (PGM) component, an oxygen storage component (OSC) material, and an inorganic oxide; and wherein the single catalyst layer has a total washcoat loading of less than 2.4 g/in3.