Thermally Insulating Polyimide Aerogel Skeletons Constructed by Hybridizing the Al–O Network Phase. - Wang, Mingkang; Yu, Shuai; Wang, Jing; Zhao, Xin; Yang, Changpeng; Wei, Ran; Liu, Chun; Zhang, Sizhao (Gels (2310-2861), 2025)