| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst, wherein both performances of heat resistance and catalytic activities are improved. <P>SOLUTION: The exhaust gas purifying catalyst contains Co<SB POS="POST">3</SB>O<SB POS="POST">4</SB>, and CeO<SB POS="POST">2</SB>-ZrO<SB POS="POST">2</SB>composite oxide shown by general formula xCeO<SB POS="POST">2</SB>-(1-x) ZrO<SB POS="POST">2</SB>, where 0.3<x<1.0. <P>COPYRIGHT: (C)2012,JPO&INPIT |
