Enhanced oxygen storage capacity of cation-ordered cerium–zirconium oxide induced by titanium substitution

Yoshihiro Goto; Akira Morikawa; Masaoki Iwasaki; Masahide Miura; Toshitaka Tanabe

doi:10.1039/C8CC01308J

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Enhanced oxygen storage capacity of cation-ordered cerium–zirconium oxide induced by titanium substitution†

Yoshihiro Goto,

*^a Akira Morikawa,

^a Masaoki Iwasaki,^a Masahide Miura^b and Toshitaka Tanabe^a

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* Corresponding authors

^a Toyota Central R&D Labs., Inc., 41-1 Nagakute, Aichi 480-1192, Japan
E-mail: yoshihiro-goto@mosk.tytlabs.co.jp

^b Toyota Motor Corporation, Toyota, Aichi 471-8571, Japan

Abstract

Herein, we report on the synthesis of Ce_0.5Zr_0.5−xTi_xO₂ oxygen storage materials prepared via a solution combustion method. Ce_0.5Zr_0.4Ti_0.1O₂ showed an outstanding oxygen storage capacity (1310 μmol-O per g) at 200 °C compared to conventional κ-Ce₂Zr₂O₈ (650 μmol-O per g) due to its cation ordering and the formation of weakly bound oxygen atoms induced by Ti substitution.

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Article information

DOI: https://doi.org/10.1039/C8CC01308J
Article type: Communication
Submitted: 14 Feb 2018
Accepted: 15 Mar 2018
First published: 15 Mar 2018
This article is Open Access

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Chem. Commun., 2018,54, 3528-3531

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Enhanced oxygen storage capacity of cation-ordered cerium–zirconium oxide induced by titanium substitution

Y. Goto, A. Morikawa, M. Iwasaki, M. Miura and T. Tanabe, Chem. Commun., 2018, 54, 3528 DOI: 10.1039/C8CC01308J

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Chemical Communications

Enhanced oxygen storage capacity of cation-ordered cerium–zirconium oxide induced by titanium substitution†

Abstract

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Enhanced oxygen storage capacity of cation-ordered cerium–zirconium oxide induced by titanium substitution

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