Johnson Matthey (Shanghai) Chemicals Limited

Johnson Matthey (Shanghai) Chemicals Co. Ltd.

Yaping Wan

Dongsheng Qiao

Hongyu Ji

Wenjie Dong

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 comprising an inlet end, an outlet end with an axial length L; an inlet catalyst layer beginning at the inlet end and extending for less than the axial length L, wherein the inlet catalyst layer comprises an inlet palladium component; an outlet catalyst layer beginning at the outlet end and extending for less than the axial length L, wherein the outlet catalyst layer comprises an outlet rhodium component; and wherein the outlet catalyst layer overlaps with the inlet catalyst layer.

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Shanghai, China

Yaping Wan