It is critical to develop high performance three-way catalysts to meet increasing regulations around the world. It was found that a double-layered catalyst loaded with Pt and Rh suppresses Pt-Rh alloying, thereby improving catalytic performance. A double-layered catalyst has the effect of decreasing OSC performance, but this has been overcome by a newly developed Rh support and suppressed Pt grain growth. The developed catalyst is capable of lowering the amount of PGM required by approximately 40%.


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    Titel :

    Development of Double-Layered Three-Way Catalysts


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Shimizu, Masanori (Autor:in) / Hatanaka, Miho (Autor:in) / Sakagami, Shingo (Autor:in) / Yoshida, Takeru (Autor:in) / Tanabe, Toshitaka (Autor:in) / Nagai, Yasutaka (Autor:in) / Aoki, Yuki (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2009



    Erscheinungsdatum :

    2009-04-20




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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