气凝胶是目前世界上密度最低、热导率最小的固体材料。针对其存在的强度低、韧性差、纳米孔结构在外力作用下易破坏等缺点，国内外研究人员开始致力于柔性气凝胶的研制。本文综述了近几年国内外制备柔性气凝胶的最新研究进展，系统介绍了几种新型的制备方法如衍生法、纤维增强法和聚合物复合法等，所制备得到的柔性气凝胶被成功地应用于隔热、太阳能电池、锂离子电池等领域。最后，对柔性气凝胶的发展前景进行了展望。
Aerogel is the current solid material which has the lowest density and thermal conductivity in the world.Aiming at the defects of low strength,poor toughness and destructible nanostructure under the action of external force,the domestic and foreign researchers have been committed to the development of flexible aerogel. In this review,the latest research progresses of flexible aerogel were summarized,and the preparation meth-ods,such as derivation,fiber-reinforced method and polymer complex,were introduced.The prepared flexible aerogel were successfully applied in the fields of thermal insulation,solar celland lithium ion battery.Finally, its application prospect in the future was foretelled.
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