Sulfur-Bridged Dual Fe–N 4 Sites to Boost Lithium–Sulfur Battery Performance - Yapeng Cheng; Jiachen Ma; Canhuang Li; Yao Li; Hao Li; Chaoqi Zhang; Jing Yu; Shichang Cai; Fanglin Wu; Jiawei Zhu; Xiaoyu Bi; Yuchuan Ren; et al. (Journal of the American Chemical Society, 2025)