Two-dimensional GO,MXene and MoS2 confined domain ionic liquid composite membranes for carbon capture
The rapid development of industrialization has led to a sharp increase in the concentration of CO2 in the atmosphere,posing a serious threat to human life.Therefore,there is an urgent need to develop carbon capture,utilization and sequestration(CCS)technologies to reduce CO2 emissions.Among various methods,membrane separation technology has gradually become the main development direction of global carbon capture technology.Membrane materials are the core of membranes,and a series of high-performance gas separation membranes have emerged with the continuous emergence of new membrane materials.Ionic liquids(ILs),as a new type of material,are popular in the CO2 separation process due to their non-volatile,adjustable structure and excellent affinity for CO2.However,the high viscosity and high cost of ILs limit the application of ILs in industry.However,the novel composite membrane obtained by combining ILs with 2D nanomaterials combines the advantages of both ILs and 2D nanomaterials,which can break through the defects of ILs and become one of the future research trends of membrane materials.For this reason,this review focuses on the research progress of limiting ILs to 2D GO,MXene and MoS2 nanomaterials with ILs as the core,and discusses the properties of ILs.In addition,the application of gas separation membranes constructed by different ILs with 2D GO,MXene and MoS2 materials in CO2 capture is presented.Finally,the advantages and challenges of ILs in gas separation are discussed,and future research and development opportunities are presented.
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