Issue 3, 2024

Perovskites as oxygen storage materials for chemical looping partial oxidation and reforming of methane

Abstract

The traditional partial oxidation, dry reforming and steam reforming of methane technologies are separated into two reactors for execution by chemical looping technology, which can avoid the defects exposed in the traditional process (avoiding carbon accumulation, reducing costs, etc.). The key to chemical looping technology is to find suitable oxygen carriers (OCs), which can store and release oxygen to form a closed loop in the chemical looping. The purpose of this review is to summarize the current status of perovskite oxides for partial oxidation and reforming of methane in chemical looping, describe the structure, oxygen capacity, oxygen migration rate and common synthesis methods of perovskites in chemical looping. In addition, the effects of impregnation loading, ion doping, and structural morphology on the catalytic conversion of CH4 by perovskite OCs and the reaction mechanism on the OCs are also discussed.

Graphical abstract: Perovskites as oxygen storage materials for chemical looping partial oxidation and reforming of methane

Article information

Article type
Review Article
Submitted
23 Sep 2023
Accepted
13 Dec 2023
First published
13 Dec 2023

Phys. Chem. Chem. Phys., 2024,26, 1516-1540

Perovskites as oxygen storage materials for chemical looping partial oxidation and reforming of methane

Y. Li, M. Chen, L. Jiang, D. Tian and K. Li, Phys. Chem. Chem. Phys., 2024, 26, 1516 DOI: 10.1039/D3CP04626E

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