发明名称 ZONE COATED CATALYTIC SUBSTRATES WITH PASSIVE NOX ADSORPTION ZONES
摘要 Disclosed are methods of forming zone coated substrates for use in catalytic converters, as well as washcoat compositions and methods suitable for using in preparation of the zone coated substrates, and the zone coated substrates formed thereby. The zone coated substrates can include a Passive NOx Adsorption zone and a catalytic zone. Also disclosed are exhaust treatment systems, and vehicles, such as diesel vehicles, using catalytic converters and exhaust treatment systems using the zone coated substrates.
申请公布号 US2016045867(A1) 申请公布日期 2016.02.18
申请号 US201514812661 申请日期 2015.07.29
申请人 SDCmaterials, Inc. 发明人 Kearl Bryant;YIN Qinghua;QI Xiwang;BIBERGER Maximilian A.
分类号 B01D53/94;B01J20/02;B01J29/068;B01J29/06;B01J37/02;B01J21/04;B01J23/44;B01J35/00;B01J35/04;B01J20/06;B01J23/38 主分类号 B01D53/94
代理机构 代理人
主权项 1. A coated substrate comprising: a substrate comprising a first zone and a second zone; the first zone comprising a Passive NOx Adsorber (PNA) layer comprising nano-sized platinum group metal (PGM) on a plurality of support particles comprising cerium oxide; andthe second zone comprising a first catalytic layer comprising a first composite nanoparticle, wherein the first composite nanoparticle comprises a first catalytic nanoparticle on a first support nanoparticle.
地址 Tempe AZ US