Fabrication of calcium sulfate whiskers based on phosphogypsum-incorporated PEO composite polymer electrolytes for Li ion battery applications. - Hu, Jinghan; Wang, Kui; Huang, Weijiang; Wu, Shaoyuan; Yue, Yanling; Duan, Jihong; Wang, Jingying; Ming, Shiyi; Huang, Bingyue; Yan, Wei (Bulletin of Materials Science, 2026)