发明名称 Exhaust gas catalyst, method for the production of carrier, method for the production of exhaust gas catalyst, and apparatus for treating exhaust gas
摘要 An exhaust gas controlling catalyst includes zirconia particles; ceria particles which contact the zirconia particles, of which a mean particle size is smaller than a mean particle size of the zirconia particles; and an active metal that is supported on at least the ceria particles in a dispersed manner.
申请公布号 US9617886(B2) 申请公布日期 2017.04.11
申请号 US201214009577 申请日期 2012.03.23
申请人 Toyota Jidosha Kabushiki Kaisha 发明人 Watanabe Masao;Takagi Shigeharu;Morikawa Akira;Hirose Takuto
分类号 F01N3/20;B01D53/94;B01J21/06;B01J23/10;B01J23/83;B01J35/00;B01J35/02;B01J37/03 主分类号 F01N3/20
代理机构 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP 代理人 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
主权项 1. An exhaust gas controlling catalyst, comprising: zirconia particles; ceria particles which contact the zirconia particles, of which a mean particle size is smaller than a mean particle size of the zirconia particles; and an active metal that is supported on at least the ceria particles in a dispersed manner, wherein the active metal is Cu, wherein a mean particle size of the ceria particles is 1 to 9 nm, wherein a percentage of the ceria particles to the zirconia particles is 5 to 30% by weight, and a mean particle size of the zirconia particles is 5 to 30 nm.
地址 Toyota-shi, Aichi-ken JP