Issue 81, 2024

Construction of robust Ni-based catalysts for low-temperature Sabatier reaction

Abstract

CO2 hydrogenation to methane, namely, CO2 methanation or Sabatier reaction, is a significant approach to convert CO2 and H2 to storable and transportable CH4. Low reaction temperature is the key to industrialization and has attracted plenty of research interest. Ni-based catalysts are commonly utilized owing to their favorable properties of excellent activity and economical price. However, it is still challenging to perform the Sabatier reaction under temperatures lower than 300 °C owing to the inertness of CO2. Hence, in this article, we summarize the advances of four important design principles of the Ni-based catalysts for low-temperature Sabatier reaction, namely, optimizing Ni active sites, tuning support properties, considering metal–support interactions, and choosing a suitable preparation method, which provides deep insights for the design of low-temperature CO2 methanation catalysts. Additionally, typical low-temperature CO2 methanation reaction mechanisms with *CO or *HCOO as the main intermediate and perspectives on this topic have been provided. We highlight that the rare-earth oxide-supported Ni-based catalysts with the potential reaction mechanism and corresponding reactor design would be promising for low-temperature Sabatier reaction.

Graphical abstract: Construction of robust Ni-based catalysts for low-temperature Sabatier reaction

Article information

Article type
Feature Article
Submitted
25 Aug 2024
Accepted
28 Aug 2024
First published
29 Aug 2024

Chem. Commun., 2024,60, 11466-11482

Construction of robust Ni-based catalysts for low-temperature Sabatier reaction

R. Ye, X. Wang, Z. Lu, R. Zhang and G. Feng, Chem. Commun., 2024, 60, 11466 DOI: 10.1039/D4CC04342A

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