发明申请
- 专利标题： EXHAUST GAS PURIFICATION CATALYST AND MANUFACTURING METHOD THEREOF
- 专利标题（中）： 排气净化催化剂及其制造方法
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申请号： US12109768申请日： 2008-04-25
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公开(公告)号： US20080269046A1公开(公告)日： 2008-10-30
- 发明人: Koji Minoshima , Seiji Miyoshi , Hideharu Iwakuni , Akihide Takami , Hirosuke Sumida
- 申请人： Koji Minoshima , Seiji Miyoshi , Hideharu Iwakuni , Akihide Takami , Hirosuke Sumida
- 申请人地址： JP Aki-gun
- 专利权人： MAZDA MOTOR CORPORATION
- 当前专利权人： MAZDA MOTOR CORPORATION
- 当前专利权人地址： JP Aki-gun
- 优先权： JP2007-118105 20070427; JP2008-048163 20080228
- 主分类号： B01J23/10
- IPC分类号： B01J23/10 ; B01J23/44
摘要：
In an exhaust gas purification catalyst that contains an oxygen storage component containing Ce and Zr, alumina and a catalytic metal, a plurality of primary particles of the oxygen storage component and a plurality of primary particles of the alumina agglomerate to form each of mixed oxide particles and the catalytic metal includes Pd doped in the oxygen storage component particles to constitute each of the oxygen storage component particles with Ce and Zr and exposed at the surfaces of the oxygen storage component particles and Pd adhered to the surfaces of the oxygen storage component particles and the surfaces of the alumina particles.
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