- 专利标题： TWC ACTIVITY USING RHODIUM/PLATINUM AND TANNIC ACID AS A COMPLEXING AND REDUCING AGENT
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申请号： US18542894申请日： 2023-12-18
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公开(公告)号： US20240149249A1公开(公告)日： 2024-05-09
- 发明人: Qinghe ZHENG , Jing LU , Michael HOWARD
- 申请人： JOHNSON MATTHEY PUBLIC LIMITED COMPANY
- 申请人地址： GB London
- 专利权人： JOHNSON MATTHEY PUBLIC LIMITED COMPANY
- 当前专利权人： JOHNSON MATTHEY PUBLIC LIMITED COMPANY
- 当前专利权人地址： GB London
- 主分类号： B01J23/42
- IPC分类号： B01J23/42 ; B01J21/04 ; B01J23/10 ; B01J23/46 ; F01N3/10
摘要：
A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyphenol and a PGM, the PGM comprising rhodium and/or platinum, the polyphenol comprising an ester functional group; providing a support material; applying the complex to the support material to form a loaded support material; disposing the loaded support material on a substrate; and heating the loaded support material to form nanoparticles of the PGM on the support material.
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