Abstract
AbstractPorous liquids (PLs) with unique porous frameworks and good flow properties can achieve coupling enhancement for CO2 capture and conversion. In this paper, a series of novel PLs were designed and synthesized using UiO‐66 as the framework and novel bi‐cationic ionic liquids (ILs) as an excluded solvent. The prepared PLs showed significant improvement in CO2 uptake capacity over ILs at different pressures and exhibited excellent CO2 catalytic conversion performance, exceeding the sum of the effects of ILs and UiO‐66. Especially at low pressure, the PLs still showed excellent catalytic performance, but the catalytic performance of the corresponding ILs was significantly reduced, which was due to the rapid adsorption and conversion of CO2 by the porous framework of UiO‐66 to improve the CO2 uptake and transfer efficiency within the ILs, thus achieving coupling enhancement. It can provide a new way to realize the efficient conversion of CO2 under milder conditions.
Published Version
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