DIESEL OXIDATION CATALYST

摘要

The present invention relates to a catalytically active material, consisting of an inner core (1) and an outer shell (2) enveloping said core, wherein the core is formed of palladium and gold, which together are fixed on a first carrier oxide, and wherein the shell contains platinum, which is fixed on a second carrier oxide. The invention further relates to a diesel oxidation catalyst containing said catalytically active material, and to an exhaust gas cleaning system comprising said diesel oxidation catalyst.