{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wang Z"],"funding":["Chinese Academy of Sciences","Jiangsu Funding Program for Excellent Postdoctoral Talent","National Key R&D Program of China","National Natural Science Foundation of China","National Key Research and Development Program of China"],"pagination":["e17305"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12499459"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(37)"],"pubmed_abstract":["The performance of lithium-sulfur (Li-S) batteries is crucially affected by the anodic stability of Li-metal and cathodic conversion kinetics of sulfur-carbon (S/C) composites. Herein, a weakly solvating electrolyte (WSE) with moderate lithium polysulfides (LiPSs) solubility, consisting of 1 M lithium bis(trifluoromethane sulfonyl) imide (LiTFSI) in non-fluorinated solvent of cyclopentyl methyl ether (CPME) and 1,3-dioxolane (DOL) additive, is employed in Li-S batteries to simultaneously achieve high anodic stability and appropriate cathodic kinetics. This WSE exhibits a good capability of suppressing LiPSs shuttling by forming an anions-dominated Li<sup>+</sup> solvation structure, effectively inducing a stable solid electrolyte interphase (SEI) to guarantee anodic stability of the Li-metal anode. Additionally, the DOL additive in the WSE aids in forming a thin organic-inorganic hybrid cathode electrolyte interphase (CEI) on the surface of S/Li<sub>2</sub>S particles, which maintains good conversion kinetics and suppresses dead S/Li<sub>2</sub>S growth in the S/C cathode. Consequently, Li-S batteries with the WSE deliver a high initial capacity (≈1208 mAh g<sup>-1</sup>), a high average Coulombic efficiency (≈98.6%), and a high capacity retention rate (≈82.4%) over 200 cycles. Stable cycling performance over 100 cycles is also observed in the Li-S pouch cell with the WSE even under harsh conditions."],"journal":["Advanced science (Weinheim, Baden-Wurttemberg, Germany)"],"pubmed_title":["Balancing Anodic Stability and Cathodic Kinetics in Practical Lithium-Sulfur Batteries With Non-fluorinated Weakly Solvating Solvents."],"pmcid":["PMC12499459"],"funding_grant_id":["215123","2023ZB392","22075314","2023ZB836","2024ZB051","2022YFE0207300","22179142"],"pubmed_authors":["Zhang F","Li H","Weng S","Huang D","Liu L","Zhang H","Chen L","Yao X","Wu G","Tu H","Xu J","Wang L","Zheng J","Wang Q","Lu S","Xue J","Wang Z","Wu X"],"additional_accession":[]},"is_claimable":false,"name":"Balancing Anodic Stability and Cathodic Kinetics in Practical Lithium-Sulfur Batteries With Non-fluorinated Weakly Solvating Solvents.","description":"The performance of lithium-sulfur (Li-S) batteries is crucially affected by the anodic stability of Li-metal and cathodic conversion kinetics of sulfur-carbon (S/C) composites. Herein, a weakly solvating electrolyte (WSE) with moderate lithium polysulfides (LiPSs) solubility, consisting of 1 M lithium bis(trifluoromethane sulfonyl) imide (LiTFSI) in non-fluorinated solvent of cyclopentyl methyl ether (CPME) and 1,3-dioxolane (DOL) additive, is employed in Li-S batteries to simultaneously achieve high anodic stability and appropriate cathodic kinetics. This WSE exhibits a good capability of suppressing LiPSs shuttling by forming an anions-dominated Li<sup>+</sup> solvation structure, effectively inducing a stable solid electrolyte interphase (SEI) to guarantee anodic stability of the Li-metal anode. Additionally, the DOL additive in the WSE aids in forming a thin organic-inorganic hybrid cathode electrolyte interphase (CEI) on the surface of S/Li<sub>2</sub>S particles, which maintains good conversion kinetics and suppresses dead S/Li<sub>2</sub>S growth in the S/C cathode. Consequently, Li-S batteries with the WSE deliver a high initial capacity (≈1208 mAh g<sup>-1</sup>), a high average Coulombic efficiency (≈98.6%), and a high capacity retention rate (≈82.4%) over 200 cycles. Stable cycling performance over 100 cycles is also observed in the Li-S pouch cell with the WSE even under harsh conditions.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Oct","modification":"2026-06-04T04:48:13.315Z","creation":"2026-05-05T03:12:35.406Z"},"accession":"S-EPMC12499459","cross_references":{"pubmed":["40605416"],"doi":["10.1002/advs.202417305"]}}