中文摘要：

CO2是目前排放量最大的温室气体，利用离子液体固定CO2已经成为CO2减排的重点研究方向之一。介绍了近几年来各种离子液体吸收CO2的研究历程以及研究成果，对比各种离子液体吸收性能的差异，并着重介绍了功能型离子液体捕获CO2的特点及其应用，突出其在CO2固定方面的诸多优势，并对离子液体的吸收机理进行了讨论，同时探讨离子液体在电厂烟气CO2处理过程中所面临的问题。

英文摘要：

CO2 is one of the most important greenhouse gases, using ionic liquid to fix CO2 has become one of the key research directions in CO2 emission reduction. In this paper,the research history and results of various ionic liquids absorbing CO2 in recent years is described and the different absorption performances of these ionic liquids are compared. The characteristics and application of functional ionic liquid absorbing CO2 is the main point to be introducted, and the significant advantages in the fixation of CO2 using functional ionic liquids are emphasized, the mechanisms of absorption is also discussed. In addition, the problems caused by ionic liquids in dealing with CO2 in power plant flue gas are explored in this paper.