EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

摘要

An exhaust gas purification device for an internal combustion engine, provided in an exhaust passage of the internal combustion engine, includes: a filter-shape carrier adapted to trap particulate matter in exhaust gas; and an oxidation catalyst supported on the filter-shape carrier and comprising: a particulate oxygen storage material; and an oxygen ion conductive material supported around the oxygen storage material in surface contact therewith.