发明名称 |
EXHAUST GAS CONTROL CATALYST |
摘要 |
Provided is an exhaust gas control catalyst in which a catalyst layer containing at least one of Pd and Pt is formed on a substrate (1), the exhaust gas control catalyst including a first OSC material having a pyrochlore structure and an OSC material whose oxygen storage rate is faster than that of the first OSC material having a pyrochlore structure in a catalyst layer front stage (21) which is in a range from an exhaust gas upstream end of the catalyst layer to a length position which is 50% or lower of a total length of the catalyst layer. |
申请公布号 |
WO2015071724(A1) |
申请公布日期 |
2015.05.21 |
申请号 |
WO2014IB02384 |
申请日期 |
2014.11.10 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA;CATALER CORPORATION |
发明人 |
FUJIWARA, TAKAHIKO;AOKI, YUKI;SUZUKI, HIROMASA;CHINZEI, ISAO;YABUZAKI, YUJI |
分类号 |
B01J23/00;B01J23/63;B01J35/00;B01J37/02 |
主分类号 |
B01J23/00 |
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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