Title:
排気ガス浄化触媒用デラフォサイト型酸化物及びこれを用いた排気ガス浄化触媒
Document Type and Number:
Japanese Patent JP6715351
Kind Code:
B2
Abstract:
In relation to a Cu-based delafossite-type oxide that is effective as an exhaust gas purification catalyst, Cu is placed in a high catalytic activity low-valence state, whereby a novel Cu-based delafossite-type oxide having higher activity than in the past is provided. Proposed is a delafossite-type oxide for an exhaust gas purification catalyst that is represented by a general formula ABO2, wherein Cu and Ag are contained in the A site of the general formula, one or two or more elements selected from the group consisting of Mn, Al, Cr, Ga, Fe, Co, Ni, In, La, Nd, Sm, Eu, Y, V, and Ti are contained in the B site of the general formula, and Ag is contained at a ratio of 0.001 at. % or more and less than 20 at. % in the A site of the general formula.
Inventors:
Juno Kato
Masayoshi Ogasawara
Moriya Toshiharu
Katsuya Iwashina
Daisuke Iwakura
Masayoshi Ogasawara
Moriya Toshiharu
Katsuya Iwashina
Daisuke Iwakura
Application Number:
JP2018559151A
Publication Date:
July 01, 2020
Filing Date:
December 22, 2017
Export Citation:
Assignee:
Akita University
Mitsui Mining & Smelting Co., Ltd.
Mitsui Mining & Smelting Co., Ltd.
International Classes:
B01J23/89; B01D53/94; C01G37/00; C01G45/00
Domestic Patent References:
| JP2008156130A | ||||
| JP2002255548A | ||||
| JP2009219971A |
Foreign References:
| WO2014103597A1 |
Other References:
OKUDA,T. et al.,Journal of the Physical Society of Japan,日本,2009年 1月13日,Vol.78,013604
Attorney, Agent or Firm:
Takeuchi/Ichizawa International Patent Office