发明名称 |
Catalyst material and a process for its preparation |
摘要 |
A catalyst material having a catalyst metal supported on a substrate, wherein the substrate has at least two types of surface atomic sites at which the catalyst metal can reside, and the catalyst metal resides primarily in one of those types of sites. In one catalyst material having platinum supported on an aluminum oxide substrate, the platinum atoms are located predominantly in the substrate sites having the lowest activation energy for catalysis of a chemical reaction. Population of only the low energy type of site is achieved by limiting the platinum content to from about 0.25 to about 1.0 atomic percent.
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申请公布号 |
US4839328(A) |
申请公布日期 |
1989.06.13 |
申请号 |
US19870061619 |
申请日期 |
1987.06.15 |
申请人 |
HUGHES AIRCRAFT COMPANY |
发明人 |
PASTOR, RICARDO C.;GORRE, LUISA E.;CHRISTENSEN, LORNA D. |
分类号 |
B01J23/40;B01J23/62;H01S3/036;H01S3/097 |
主分类号 |
B01J23/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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