CATALYST FOR PURIFYING EXHAUST GAS

摘要

PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst having excellent gas purification performance as well as burning purifying particulates in exhaust gas discharged from an internal combustion engine of an automobile or the like.SOLUTION: The present invention contains a complex oxide comprising a crystal having a DyMnOstructure, in which an A site contains Y and a B site contains Mn, the composition ratio between the B site and the A site (B/A) being greater than 2.