Spinel ferrite catalysts for CO2 reduction via reverse water gas shift reaction

被引：9

作者：

Navarro, J. C. ^{[1
,4
]}

Hurtado, C. ^{[1
]}

Gonzalez-Castano, M. ^{[1
]}

Bobadilla, L. F. ^{[1
]}

Ivanova, S. ^{[1
]}

Cumbrera, F. L. ^{[2
]}

Centeno, M. A. ^{[1
]}

Odriozola, J. A. ^{[1
,3
]}

机构：

[1] Univ Seville, Ctr Mixto CSIC, Inst Ciencia Mat Sevilla, Avda Amer Vespucio 49, Seville 41092, Spain

[2] Univ Seville, Dept Fis Mat Condensada, Seville 41080, Spain

[3] Univ Surrey, Dept Chem & Proc Engn, Guildford GU2 7XH, England

[4] King Abdullah Univ Sci & Technol, KAUST Catalysis Ctr KCC, Thuwal 239556900, Saudi Arabia

来源：

JOURNAL OF CO2 UTILIZATION | 2023年 / 68卷

关键词：

Spinel; Ferrite; Cu; Ni; Oxygen vacancies; Raman; RWGS reaction; ZNFE2O4; PERFORMANCE; NIFE2O4;

D O I：

10.1016/j.jcou.2022.102356

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The production of CO via Reverse Water Gas Shift (RWGS) reaction is a suitable route for CO2 valorization. In this study a series of modified spinels AB2O4 (A site symbolscript Ni, Zn and Cu and B symbolscript are investigated as RWGS catalysts and their structure-to-function relationships derived from the changes on the A-site cation are ratio-nalized. For all ferrite systems, the RWGS reaction the process main activity and selectivity is governed by the B -site cation, but the variations on the A-site metals determines catalysts' structural features and stability in the reaction. Among the catalyst series, superior RWGS performance displayed the ferrites modified with Cu and Ni associated to the greater oxygen vacancy population for those spinels enabled by the partial allocation on symbolscript cations into the tetrahedral sites.

引用

页数：6

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