气凝胶功能复合材料
围绕气凝胶功能复合材料开展了系统研究,实现了多种气凝胶复合材料的可控构筑,包括聚合物复合气凝胶、纳米纤维气凝胶、气凝胶纤维/织物以及碳气凝胶等,并探索了其在隔热阻燃、智能热管理、电磁屏蔽与吸收、能源存储与转换等领域的应用,为高性能及多功能一体化的新型气凝胶复合体系的设计和研发奠定了坚实基础。
1. 轻质隔热聚合物基复合气凝胶 针对目前气凝胶材料存在成型差、收缩率高、孔结构不可控、强度低等问题,本课题组创新性地提出了聚合物气凝胶三维结构构筑与孔结构调控的新策略,实现了轻质高强、高柔弹性的聚酰亚胺气凝胶复合材料的可控制备,获得了具有优异隔热阻燃性能的气凝胶复合材料。
2. 智能热管理气凝胶纤维及织物 针对目前气凝胶纤维存在成型困难、力学强度差、功能单一等问题,本课题组创新性地提出“湿法-冷冻纺丝”、“紫外辅助快速凝胶”等纤维成型新策略 ,获得了轻质、高强、隔热高分子复合气凝胶纤维;进一步对高分子复合气凝胶纤维/织物进行功能化处理,构建了高性能的新型智能热管理织物。 3. 电磁吸收气凝胶材料 针对目前气凝胶电磁吸收强度弱、频带窄、频段单一和耐候性差等问题,本课题组创新性地提出“多层自组装” 新策略,成功获得具有多级阻抗结构宽频吸波和“碳包铁”耐候性吸波性能的气凝胶复合材料。
代表性论文:
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