发明名称 |
EXHAUST GAS PURIFICATION CATALYST AND EXHAUST GAS PURIFICATION DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust gas purification catalyst and an exhaust gas purification device capable of particularly improving an HC purification rate in a lean atmosphere, when an LNT and a noble metal/an acidic carrier are supported on the same support.SOLUTION: There is provided an exhaust gas purification catalyst for purifying an exhaust gas of an internal combustion engine which comprises a first catalyst and a second catalyst supported on the same support, wherein the first catalyst has a carrier having a solid acid and a noble metal supported on the carrier and the second catalyst has an NOx adsorbent which comprises: CeOand substantially contains neither an alkaline earth metal nor an alkali metal; and a noble metal. |
申请公布号 |
JP2014213269(A) |
申请公布日期 |
2014.11.17 |
申请号 |
JP20130093098 |
申请日期 |
2013.04.25 |
申请人 |
HONDA MOTOR CO LTD |
发明人 |
HOSOE HIROKI;TAKEORI HIROKI;ENDO TETSUO |
分类号 |
B01J23/652;B01D53/94;F01N3/10;F01N3/28 |
主分类号 |
B01J23/652 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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