CATALYST FOR PURIFYING GAS OF INTERNAL COMBUSTION DEVICE

摘要

According to an embodiment of the present invention, a catalyst to purify gas of an internal combustion engine comprises a support and a catalytic layer formed on the support. The catalytic layer comprises: a first catalyst including a first scaffold having alumina and Pd supported on the first scaffold; and a second catalyst including a second scaffold having ceria zirconia composite oxide and Rh supported on the second scaffold. According to an embodiment of the present invention, the catalyst to purify gas of an internal combustion engine exhibits excellent catalytic activity at high temperatures.