Mazda Motor Corporation

Kaori Imada

Hiroshi Yamada

Hiroshi Murakami

Kenji Okamoto

Yuki Koda

Shinichi Tanioka

Osamu Takayama

An exhaust gas purifying catalyst (3) has an inner catalytic layer (5) fixed on a carrier (4). In the inner catalytic layer (5), there are held a palladium component, platinum component and a rhodium component by a base material containing an alumina component composed of alumina impregnated with lanthanum. Further, the exhaust gas purifying catalyst (3) has an outer catalytic layer (6) formed on the inner catalytic layer (5). In the outer catalytic layer (6), a palladium component is held by a base material which contains an alumina component, an oxide complex of ceria and zirconia and a magnesium component.

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Hiroshima, Japan

Kaori Imada