选择性
碳纤维
化学
材料科学
有机化学
复合材料
催化作用
复合数
作者
Jianfeng Hu,Yafeng Cai,Jian Xie,Deyin Hou,Liang Yu,Dehui Deng
出处
期刊:Chem
[Elsevier]
日期:2024-03-01
标识
DOI:10.1016/j.chempr.2024.02.017
摘要
Summary
CO2 hydrogenation to value-added chemicals offers a promising route for alleviating the energy crisis and climate warming. Highly selective CO2 hydrogenation is of great significance for reducing the costs of separation and circulation and improving production efficiency. However, it remains a great challenge due to the complex reaction network and co-existence of multiple active sites on catalysts. This review concentrates on the selectivity control in CO2 hydrogenation to one-carbon (C1) products, including methanol, CO, and CH4, which are the simplest CO2 hydrogenation products and basic chemical building blocks. Based on the development of different catalyst systems, we here discuss multi-factors that affect CO2 hydrogenation selectivity, including reaction conditions, such as temperature and pressure, and catalyst properties, such as active metal, metal dispersion, support, and promoter. We conclude the review by summarizing general rules for manipulating CO2 hydrogenation selectivity toward C1 products, discussing remaining challenges, and highlighting future opportunities of CO2 hydrogenation.
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