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    • 61. 发明授权
    • Core shell catalyst
    • 核壳催化剂
    • US08168561B2
    • 2012-05-01
    • US12533345
    • 2009-07-31
    • Anil V. Virkar
    • Anil V. Virkar
    • B01J23/00B01J21/00B01J20/00B01J29/00
    • B01J35/008B01J21/18B01J23/40B01J23/42H01M4/92H01M4/921H01M4/925H01M2008/1095
    • A core-shell catalyst material can include a core and a shell material. Each of the core material and the shell material can have crystal structures and lattice parameters which allow for a substantially coherent core-shell interface. The shell material can include a catalytically active metal. The circumferential stress of the shell material, σθθ, at the core-shell interface and at the shell surface, is greater than 0 (tensile) or can be compressive of a lower magnitude than a catalyst made of the shell material alone. The crystal structures of the core material can often be the same as the shell material, although this is not always required.
    • 核 - 壳催化剂材料可以包括芯和壳材料。 核心材料和壳体材料中的每一种都可以具有允许基本一致的核 - 壳界面的晶体结构和晶格参数。 外壳材料可以包括催化活性金属。 在壳 - 壳界面和壳表面处,外壳材料的外周应力和厚度大于0(拉伸),或者可以比由壳材料制成的催化剂的压力低 单独。 核心材料的晶体结构通常可以与壳材料相同,尽管这并不总是需要的。