ArticleProceedings of the National Academy of Sciences of the United States of America2025
Monofluorinated acetal electrolyte for high-performance lithium metal batteries.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Beyond Fluorination: A Golden Criterion Guided by Chemical Coordination-Informed Machine Learning for High-Voltage Electrolyte Design.Angewandte Chemie (International ed. in English) · 2026Article
- Bioactivity of Novel Colchicine, Colchiceine, and 10-Methylthiocolchicine Complexes with Lithium, Sodium, and Potassium Chlorides: Experimental and Theoretical Studies.International journal of molecular sciences · 2026Article
- Taming Interfacial Ion-Dipole Interactions With d-Orbital Delocalized Electron Catalysis Expediates Low-Temperature Li Metal Batteries.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Evolution and Degradation Patterns of Electrochemical Cells Based on the Analysis of Interfacial Phenomena at Li Metal Anode/Electrolyte Interfaces.The journal of physical chemistry. C, Nanomaterials and interfaces · 2025Article
- Dual-gradient metal layer for practicalizing high-energy lithium batteries.Nature communications · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
High degree of fluorination for ether electrolytes has resulted in improved cycling stability of lithium metal batteries due to stable solid electrolyte interphase (SEI) formation and good oxidative stability. However, the sluggish ion transport and environmental concerns of high fluorination degree drive the need to develop less fluorinated structures. Here, we depart from the traditional ether backbone and introduce bis(2-fluoroethoxy)methane (F2DEM), featuring monofluorination of the acetal backbone. High coulombic efficiency and stable long-term cycling in Li||Cu half cells can be achieved with F2DEM even under fast Li metal plating conditions. The performance of F2DEM is further compared with diethoxymethane (DEM) and 2-[2-(2,2-difluoroethoxy)ethoxy]-1,1,1-trifluoroethane (F5DEE). A significantly lower overpotential is observed with F2DEM, which improves energy efficiency and enables its application in high-rate conditions. Comparative studies of F2DEM with DEM and F5DEE in anode-free lithium iron phosphate (LiFePO
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