Weakly Solvating Cyclic Ether-Based Deep Eutectic Electrolytes for Stable High-Temperature Lithium Metal Batteries

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dc.contributor.authorYang, Yanru
dc.contributor.authorLi, Qin
dc.contributor.authorLi, Huan
dc.contributor.authorRuan, Jiafeng
dc.contributor.authorWang, Fengmei
dc.contributor.authorLi, Ziyue
dc.contributor.authorYang, Jinyu
dc.date.accessioned2025-03-17T12:27:46Z
dc.date.available2025-03-17T12:27:46Z
dc.date.issued2025
dc.departmentTarsus Üniversitesi
dc.description.abstractDeep eutectic electrolytes (DEE) have emerged as an innovative approach to address the instability and safety issues of lithium metal batteries at elevated temperatures. However, in practice, there is often an undesirable incompatibility between the eutectic mixture and electrodes, and also an insufficient reduction stability of DEE due to the increased Li+ concentration. Herein, we designed a new DEE by utilizing weakly solvating tetrahydropyran (THP) solvent. Due to the high reduction resistance of THP and concentrated lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), this DEE demonstrates enhanced compatibility with Li metal anode and high temperature tolerance with LiMn2O4 cathode. The Li
dc.description.abstractLiMn2O4 cell (1.6 mAh cm-2) shows a high capacity retention of 96.02 % after 600 cycles at room temperature. More importantly, this Li
dc.description.abstractLiMn2O4 cell achieves a remarkable high-temperature performance with a high capacity retention of 91.72 % after 120 cycles and low self-discharge after storage for 240 hours at a high temperature of 55 degrees C, which is critical for LiMn2O4 cathode. Overall, this electrolyte design provides an alternative pathway for the development of DEEs for high-temperature and high-voltage lithium metal batteries, which can also be expanded to other batteries.
dc.description.sponsorshipNational Natural Science Foundation of China [52261135631]; Shanghai International Science and Technology Partnership Project [23520750400]; Scientific and Technological Research Council of Turkiye (TUBITAK) [122N454]
dc.description.sponsorshipThis work was supported by the National Natural Science Foundation of China (52261135631), Shanghai International Science and Technology Partnership Project (23520750400) and the Scientific and Technological Research Council of Turkiye (TUBITAK) (122N454).
dc.identifier.doi10.1002/anie.202419653
dc.identifier.issn1521-3773
dc.identifier.issue7
dc.identifier.pmid39620237
dc.identifier.scopus2-s2.0-85211085697
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1002/anie.202419653
dc.identifier.urihttps://hdl.handle.net/20.500.13099/2424
dc.identifier.volume64
dc.identifier.wosWOS:001373973500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherWiley-V C H Verlag Gmbh
dc.relation.ispartofAngewandte Chemie-International Edition
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectelectrolyte
dc.subjectdeep eutectic electrolyte
dc.subjectinterfacial chemistry
dc.subjectlithium metal battery
dc.subjectweakly solvating solvent
dc.titleWeakly Solvating Cyclic Ether-Based Deep Eutectic Electrolytes for Stable High-Temperature Lithium Metal Batteries
dc.typeArticle

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