THREE-WAY CATALYST COMPOSITION WITH MANGANIFEROUS OXYGEN MEMORY COMPONENT

文件类型：PDF文档
文件大小：188K
A three-way catalyst (TWC) composition comprises a manganese-containing oxygen storage component (OSC) and at least one optionally doped alumina wherein where the at least one alumina is gamma-alumina it is doped with at least one of a rare earth metal, silicon, germanium, phosphorus, arsenic, calcium, strontium or barium.