| 申请日期 | 2026-01-14 | 申请号 | JP2008257514 |
| 公开（公告）号 | JP2010082605A | 公开（公告）日 | 2010-04-15 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | TOYOTA MOTOR CORP; TOYOTA CENTRAL RES DEV | ||
| 简介 | PROBLEM TO BE SOLVED : To achieve a high NOx storage performance while restraining the deterioration of Rh. SOLUTION : Rh and an alkali metal are carried on a first catalyst powder 20; and at least either of Pt or Pd, and at least either of an alkaline earth metal or a rare earth metal are carried on a second catalyst powder 21. As the alkali metal does not have an adverse effect on the Rh, the deterioration of Rh can be prevented. COPYRIGHT : (C)2010, JPO&INPIT | ||
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