Electronegativity-guided d-band center tuning of MnFeCoNiCu high-entropy alloy: Boosting polysulfide conversion for high-performance lithium-sulfur batteries - Jingkun Ren; Yu Shao; Xitian Zhang; Fengfeng Han; Di Wang; Qi Jin; Tong Qi; Zhihao Liu; Jing He; Xinzhi Ma; Lili Wu (Chemical Engineering Journal, 2026)