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    • 3. 发明授权
    • Supported catalyst and method for preparing the same
    • 负载催化剂及其制备方法
    • US07691773B2
    • 2010-04-06
    • US11747009
    • 2007-05-10
    • Sang-Hyuk SuhChan-Ho PakHae-Kyoung Kim
    • Sang-Hyuk SuhChan-Ho PakHae-Kyoung Kim
    • H01M4/88B01J31/00B01J37/00C08F4/02C08F4/60
    • H01M4/92B01J31/08B01J31/28B01J2231/42B01J2231/52B01J2231/70B82Y30/00H01M4/926
    • The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle size of catalytic metal particles supported by a support material includes first mixing a charged support material with a solution containing a polymer electrolyte having a charge opposite to that of the support material to adsorb the polymer electrolyte on the support material. Next, the support material having the polymer electrolyte adsorbed thereon is mixed with a solution containing a catalytic metal precursor ion having a charge opposite to that of the polymer electrolyte to adsorb the catalytic metal precursor ion on the support material having the polymer electrolyte adsorbed on it. Finally, the catalytic metal precursor ion adsorbed on the support material having the polymer electrolyte adsorbed thereon is reduced to a catalytic metal in a reducing solution.
    • 本发明提供了一种具有降低的催化金属颗粒的平均粒度的高度分散的负载型催化剂,并且还由多孔载体材料支撑。 制备能够降低由载体材料负载的催化金属颗粒的平均粒径的负载催化剂的方法包括首先将带电荷的载体材料与含有与载体材料相反的电荷的聚合物电解质的溶液混合以吸附 聚合物电解质在支撑材料上。 接着,将其上吸附有聚合物电解质的载体材料与含有与聚合物电解质相反的电荷的催化金属前体离子的溶液混合,以将催化金属前体离子吸附在吸附有聚合物电解质的载体材料上 。 最后,吸附在其上吸附有聚合物电解质的载体材料上的催化金属前体离子被还原为还原溶液中的催化金属。