| abstract |
The exhaust gas purifying catalyst includes a first catalyst unit including a hydrogen generation catalyst including a noble metal, lanthanum supporting the noble metal, zirconium, and an oxide containing an additive element such as neodymium, an oxygen storage / release material, and oxygen in general is disposed in contact with storage and release material formula La x M1 1-x M2O 3 -δ ··· (1) ( formula (1), La is lanthanum, M1 is barium, strontium and calcium group And at least one selected from the group consisting of iron, cobalt and manganese, x is 0 <x ≦ 1, and δ is 0 ≦ δ ≦ 1. A second catalyst unit made of a perovskite oxide; and a holding material that holds the first catalyst unit and the second catalyst unit in a separated state. |