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AssigneesToyota Jidosha Kabushiki Kaisha, Genesis Research Institute, Inc.
InventorsKazuhiro Egashira, Yoshihiro Takeda, Namiki Toyama, Toshiaki Tanaka, Seitoku Ito, Masahiko Ichihashi
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An improved cluster-supporting catalyst has heteroatom-removed zeolite particles, and catalyst metal clusters supported within the pores of the heteroatom-removed zeolite particles. A method for producing a cluster-supporting catalyst includes the following steps: providing a dispersion liquid containing a dispersion medium and the heteroatom-removed zeolite particles dispersed in the dispersion medium; and in the dispersion liquid, forming catalyst metal clusters having a positive charge, and supporting the catalyst metal clusters within the pores of the heteroatom-removed zeolite particles through an electrostatic interaction.
A cluster-supporting catalyst, comprising heteroatom-removed zeolite particles, and catalyst metal clusters supported within the pores of the heteroatom-removed zeolite particles, wherein the catalyst metal clusters have a positive charge, and are supported on acid sites within the pores of the heteroatom-removed zeolite particles through an electrostatic interaction.
Dependencies are inferred from the claim text.