气凝胶隔热材料研究进展

【摘要】气凝胶因其独特的结构特点，优异的热学特性，在航空、化工、环境等多领域具有广泛的应用价值。本文列举并介绍了几种气凝胶的研究进展，并对气凝胶的发展进行了展望。

【关键词】气凝胶；隔热材料；无机气凝胶

【DOI编码】10.3969/j.issn.1674-4977.2023.02.057

Research Progress of Aerogel Thermal Insulation Materials

LIU Haixin

（Liaoning National New Raw Material Base Construction Engineering Center，Shenyang 110036，China）

Abstract：Aerogels show excellent thermal properties due to their unique structural characteristics and have a wide range of applications in multiple fields such as aerospace，chemical and environmental. This paper lists and introduces the research progress of several aerogels and provides an outlook on the development of aerogels.

Key words：aerogels；insulation materials；inorganic aerogels

气凝胶是一种纳米级多孔固态材料，其密度低至3 kg/m3，也被称为“固态烟”，有低密度、高比表面积、高孔隙率的结构特点，具有优异的隔热、吸附性能，广泛用于航空航天、建筑行业、生态环境等领域。（剩余6175字）