钛取代诱导的阳离子有序铈锆氧化物的储氧能力增强
Enhanced oxygen storage capacity of cation-ordered cerium-zirconium oxide induced by titanium substitution.
作者信息
Goto Yoshihiro, Morikawa Akira, Iwasaki Masaoki, Miura Masahide, Tanabe Toshitaka
机构信息
Toyota Central R&D Labs., Inc., 41-1 Nagakute, Aichi 480-1192, Japan.
Toyota Motor Corporation, Toyota, Aichi 471-8571, Japan.
出版信息
Chem Commun (Camb). 2018 Apr 3;54(28):3528-3531. doi: 10.1039/C8CC01308J.
Herein, we report on the synthesis of Ce0.5Zr0.5-xTixO2 oxygen storage materials prepared via a solution combustion method. Ce0.5Zr0.4Ti0.1O2 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.
在此，我们报道了通过溶液燃烧法制备的Ce0.5Zr0.5-xTixO2储氧材料的合成。与传统的κ-Ce2Zr2O8（每克650 μmol-O）相比，Ce0.5Zr0.4Ti0.1O2在200°C时表现出出色的储氧能力（每克1310 μmol-O），这归因于其阳离子有序化以及Ti取代诱导形成的弱结合氧原子。
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