| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst for purifying exhaust gas wherein grain growth of Pd is hardly occurred and achieving the improvement of durability. <P>SOLUTION: The catalyst for purifying exhaust gas includes at least one or more carriers of ZrO<SB POS="POST">2</SB>, CeO<SB POS="POST">2</SB>, Al<SB POS="POST">2</SB>O<SB POS="POST">3</SB>, SiO<SB POS="POST">2</SB>, and TiO<SB POS="POST">2</SB>, and alloyed Pd and Hf, and has a catalyst material carried by the carrier. <P>COPYRIGHT: (C)2012,JPO&INPIT |
