Abstract: Global warming has become a big problem to human’s survival and development. Thus，researches on CO₂ absorption materials have attracted more and more attention.In this paper，several technologies are described for the capture and concentration of carbon dioxide，such as solvent absorption and adsorption. The adsorption technologies can be divided into several categories according to its matrix，including metal oxide，fiber materials，activated carbon materials，molecular sieve materials，carbon nanotubes and polymer materials. The research progress of each technology is discussed，and their advantages and disadvantages are introduced briefly. It indicated that amino modified carbon nanotubes are promising materials for the absorption of carbon dioxide.

Key words: absorption materials, carbon dioxide（CO₂）, adsorption, capture, carbon nanotube

摘要： 全球变暖已成为当前困扰人类生存和发展的重大障碍，因此，CO₂吸收材料的研究成为了当前科学研究的热点。本文介绍了CO₂捕获和富集的几种方法，主要包括溶剂吸收法、吸附法，并按照基质的不同将吸附法分为金属氧化物类、纤维类、活性炭类、分子筛类、碳纳米管类、聚合物类。同时介绍了其研究进展，并简述了各自的优缺点。指出氨基修饰的碳纳米管是一种很有潜力的CO₂吸收材料。

关键词: 吸收材料, 二氧化碳, 吸附, 捕获, 碳纳米管