18. Y. C. Ji^, K. Yang^, M. Q. Liu^, S. M. Chen^, X. H. Liu,* B. Yang, Z. J. Wang, W. Y. Huang, Z. B. Song, S. D. Xue, Y. D. Fu, L. Y. Yang,* Thomas S. Miller, F. Pan*, "PIM-1 as a Multifunctional Framework to Enable High-Performance Solid-State Lithium–Sulfur Batteries", Adv. Funct. Mater. 2021, 2104830.