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Practical applications of lithium‐sulfur (Li‐S) batteries have been hindered by sluggish reaction kinetics and severe capacity decay during charge‐discharge cycling due to the notorious shuttle effect of polysulfide and the unfavored deposition and dissolution of Li2S. Herein, to address these issues, a double‐defect engineering strategy is developed for preparing Co‐doped FeP catalyst containing...
Lithium‐Sulfur Batteries
In article number 2301545, Hao Sun, Shaochun Tang, and co‐workers report a novel dual‐defect catalyst comprised of Co‐doped FeP with P vacancies on MXene (CoD‐FePv@MXene), which serves as both deposition regulator and redox accelerator for Li2S electrochemistry. The P vacancies deliver more LiPSs adsorption/active sites for accelerating Li2S nucleation, and the Co doping produces...