Honda Motor Co., Ltd.

Mitsui Minings & Melting Co., Ltd.

Shumpei Suzuki

Yunosuke Nakahara

Ohki Houshito

Takeshi Endo

Toshiaki Kimura

Koji Ueno

Toshiharu Moriya

Akiko Iwasa

Provided are an exhaust gas purifying catalyst structure that inhibits foil elongation and improves structural durability and a production method therefor. The exhaust gas purifying catalyst structure has a metal support configured by using an mantle and a metal foil provided in the mantle and forming an exhaust gas flow path, and a catalyst layer provided on a surface forming the flow path of the metal foil, wherein the catalyst layer contains a noble metal, an OSC material containing cerium and a rare earth element other than cerium (non-Ce rare earth element), and alumina, and a content of the non-Ce rare earth element with respect to 100% by mass of the catalyst layer is 2.52% by mass or more and 4.62% by mass or less in terms of an oxide.

Exhaust gas cleaning catalyst structure and production method therefor

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Tokyo, Japan

Shumpei Suzuki