Title:
CERIA-ZIRCONIA MICROCRYSTALLINE POWDER, OXYGEN ABSORPTION AND RELEASE MATERIAL USING THE SAME, AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2022179935
Kind Code:
A
Abstract:
To provide a ceria-zirconia composite material powder used for oxygen absorption and release materials that exhibit a high oxygen release rate.SOLUTION: A ceria-zirconia composite oxide microcrystalline powder is characterized by having an average crystallite diameter within a range of 1 to 10 nm based on a volume basis determined by Scherrer's equation based on X-ray diffraction pattern and having a ceria-zirconia cationic ordered phase of more than 50 vol.%.SELECTED DRAWING: None
Inventors:
SUDA AKIHIKO
MORIKAWA AKIRA
HATANAKA YOSHIO
MORIKAWA AKIRA
HATANAKA YOSHIO
Application Number:
JP2021086758A
Publication Date:
December 06, 2022
Filing Date:
May 24, 2021
Export Citation:
Assignee:
TOYOTA CENTRAL RES & DEV
International Classes:
C01G25/00; B01J23/63; B01J37/08
Attorney, Agent or Firm:
Patent Attorney Corporation St. Crest International Patent Office