| 发明名称 |
EXHAUST GAS CONTROL CATALYST |
| 摘要 |
Provided is an exhaust gas control catalyst including: a substrate (21); and a catalyst layer (22) that is arranged on the substrate, in which the catalyst layer (22) includes a palladium region (23) that contains palladium, aluminum oxide, ceria-zirconia solid solution, and a composite oxide of lanthanum, iron, and zirconium, and a rhodium region (24) that is arranged adjacent to the palladium region along a plane direction of the catalyst layer and contains rhodium, aluminum oxide, and ceria-zirconia solid solution. |
| 申请公布号 |
US2016279620(A1) |
申请公布日期 |
2016.09.29 |
| 申请号 |
US201415035659 |
申请日期 |
2014.11.06 |
| 申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
MIURA Masahide;CHINZEI Isao;HIRAO Tetsuhiro;SUZUKI Tadashi;TANABE Toshitaka |
| 分类号 |
B01J23/89;B01J35/00;B01D53/94;B01J23/63 |
主分类号 |
B01J23/89 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An exhaust gas control catalyst comprising:
a substrate; and a first catalyst layer that is arranged on the substrate, wherein the first catalyst layer includes: a palladium region that contains palladium, aluminum oxide, ceria-zirconia solid solution, and a composite oxide of lanthanum, iron, and zirconium, and a rhodium region that is arranged adjacent to the palladium region along a plane direction of the first catalyst layer and contains rhodium, aluminum oxide, and ceria-zirconia solid solution. |
| 地址 |
Toyota-shi, Aichi-ken JP |
