Title:
EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2022154215
Kind Code:
A
Abstract:
To achieve purification performance that is stable from an initial state.SOLUTION: An exhaust gas purification catalyst 230 disposed in an exhaust path 120 of a vehicle 100 includes noble metal particles carried on a carrier. A mean particle diameter of the noble metal particles is 2 nm or more. A metal ratio, which is a ratio of an area of a noble metal exposed on surfaces of the noble metal particles relative to a surface area of the noble metal particles, is 40% or more.SELECTED DRAWING: Figure 1
Inventors:
TAN ISAO
FUKUTOMI SHUNSUKE
FUKUTOMI SHUNSUKE
Application Number:
JP2021057132A
Publication Date:
October 13, 2022
Filing Date:
March 30, 2021
Export Citation:
Assignee:
SUBARU CORP
International Classes:
B01J23/38; B01D53/94; B01J35/02; B01J37/08; B01J37/16; F01N3/28
Attorney, Agent or Firm:
Aomi patent office
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