| 发明名称 |
CATALYST FOR PURIFICATION OF EXHAUST GAS |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To control sintering of Pt used in the lean NOx catalyst. <P>SOLUTION: A Ce-based double oxide with Ce arranged at the crystal lattice is employed as an oxygen-supplying source for oxidizing NO in exhaust gas into NO<SB>2</SB>and causing the NO<SB>2</SB>to be absorbed with an NOx-absorbing material. Pt is arranged at the crystal lattice or between atoms of the Ce-based oxide to make the Pt expose on the surface of microcrystals of the Ce-based oxide. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
| 申请公布号 |
JP2006035029(A) |
申请公布日期 |
2006.02.09 |
| 申请号 |
JP20040215649 |
申请日期 |
2004.07.23 |
| 申请人 |
MAZDA MOTOR CORP |
发明人 |
MIYOSHI SEIJI;YAMADA KEIJI;TAKAMI AKIHIDE |
| 分类号 |
B01J23/58;B01D53/94;B01J35/04 |
主分类号 |
B01J23/58 |
| 代理机构 |
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