公开(公告)号：US20240238725A1

公开(公告)日：2024-07-18

申请号：US18409927

申请日：2024-01-11

申请人： JOHNSON MATTHEY PUBLIC LIMITED COMPANY

发明人： Satoshi KAMEOKA ,  Shuhei NAGAOKA ,  Xiaorui ZHANG

IPC分类号： B01D53/94 ,  B01J23/89 ,  B01J35/30 ,  B01J37/02 ,  F01N3/10 ,  F01N3/28

CPC分类号： B01D53/945 ,  B01J23/8906 ,  B01J23/894 ,  B01J35/392 ,  B01J37/0215 ,  F01N3/101 ,  F01N3/2803 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2061 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2068 ,  B01D2255/20715 ,  B01D2255/20738 ,  B01D2255/2092 ,  B01D2255/407 ,  B01D2255/908 ,  B01D2255/9207 ,  B01D2257/404 ,  B01D2257/502 ,  B01D2257/702 ,  B01D2258/01 ,  F01N2370/04 ,  F01N2510/068

摘要： A catalyst composition comprising an intermetallic compound is disclosed. The intermetallic compound comprises a transition metal selected from Fe, Ce, Y, Nb and combinations thereof; and a noble metal selected from Pt, Pd, Rh and combinations thereof. The invention further relates to a washcoat comprising the catalyst composition, and a catalyst article comprising the catalyst composition, a method of treating exhaust gas with the catalyst article, a method for manufacturing the catalyst article and systems comprising the catalyst article.