Boosting the electrocatalytic activity of 2D ultrathin BiOX/rGO (X = F, Cl, Br, and I) nanosheets as sulfur hosts: insight into the electronegativity effect of halogenated elements on the electrochemical performances of lithium–sulfur batteries
Meili Wang, Yumiao Han, Huaiqi Peng, Ziqian Jin, Hui Guan, Shiyu Ma, Xin Li, Yunlai Ren, Lixia Xie, Xian‐Fu Zheng, Jianmin Zhang, Yutao Dong
Abstract
Ultrathin BiOX/rGO (X = F, Cl, Br, and I) nanosheets serve as novel sulfur hosts in Li–S batteries. The influence of X on the electrochemical performance and redox mechanism is elucidated through in situ Raman/XRD characterization and DFT analysis.
Topics & Concepts
ElectrochemistryRaman spectroscopySulfurRedoxElectronegativityMaterials scienceInorganic chemistryChemistryChemical engineeringElectrodePhysical chemistryOrganic chemistryMetallurgyPhysicsOpticsEngineeringAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsAdvanced battery technologies research