碳纳米管具有独特的光学、电学、力学等物性，已经在许多领域显示出非常广阔的应用前景。近年来，碳纳米管在航天领域应用得到越来越多的重视，但是要实现航天应用，首先必须知道碳纳米管在空间环境下的性能变化情况，分析碳纳米管的空间环境适用性。目前，国内外对碳纳米管低轨道空间环境耐受性的研究尚属初级阶段。. 本项目针对典型空间环境因素，开展碳纳米管在低轨道空间环境下的性能损伤机理研究，建立其性能演化规律模型，从分子层次探讨纳米尺度材料空间环境效应基础理论，分析碳纳米管在空间环境下的稳定性，为碳纳米管在空间技术领域应用奠定基础。项目组长期从事航天器材料空间环境效应方面的研究工作，近年来致力于促进碳纳米管在空间技术领域应用研究，具备完成该项目的理论和工作基础。

Due to their unique optical, electrical and mechanical properties, carbon nanotubes are proposed to have great potential applications in many fields. Recently, more and more concerns have been focused on the application of carbon nanotubes in space technology. However，before the application of carbon nanotubes in space technology, a better understanding of carbon nanotubes's property.evolution and applicability in space environment. Recently, the research of property degradation of carbon nanotubes in LEO space environment is still in the initial stage. .The purpose of this program is to evaluate the property degradation of carbon nanotubes in LEO space environment and establish property evolution models, aiming at typical space environmental factors. The space environment effect theory on nano-scale materials will be established base on molecule level.The stability of carbon nanotubes in space environment will be researched. It will be great helpful to establish the basis of applications of carbon nanotubes in space technology. Project team has long been engaged in spacecraft materials research in space environment. In recent years, we work hard at promoting the applications of carbon nanotubes in space technology and have the theory foundation to finish this program.