| Identification | Back Directory | [Name]
Di-Fluoro ethylene carbonate | [CAS]
311810-76-1 | [Synonyms]
DFEC
Di-Fluoro ethylene carbonate
trans-4,5-Difluoroethylenecarbonate
trans-4,5-Difluoro-1,3-dioxolan-2-one
(4R,5R)-4,5-difluoro-1,3-dioxolan-2-one
1,3-Dioxolan-2-one, 4,5-difluoro-, (4R,5R)-rel- | [Molecular Formula]
C3H2F2O3 | [MDL Number]
MFCD31536706 | [MOL File]
311810-76-1.mol | [Molecular Weight]
124.04 |
| Chemical Properties | Back Directory | [Boiling point ]
233.8±30.0 °C(Predicted) | [density ]
1.52±0.1 g/cm3(Predicted) | [form ]
liquid | [color ]
Clear | [InChI]
InChI=1/C3H2F2O3/c4-1-2(5)8-3(6)7-1/h1-2H/t1-,2-/s3 | [InChIKey]
DSMUTQTWFHVVGQ-DLDCVFTPNA-N | [SMILES]
O1[C@H](F)[C@@H](F)OC1=O |&1:1,3,r| |
| Hazard Information | Back Directory | [Uses]
As the analog of fluoroethylene carbonate, difluoroethylene carbonate (DFEC) is a promising electrolyte additive for stabilizing the electrolyte?electrode interphase in LMBs. DFEC could be a multifunctional electrolyte additive for a stable high-voltage LMB system. At first, DFEC exhibits a low LUMO level, which can decompose into a LiFrich SEI layer, which can govern the Li+ -ion flux and suppress the growth of lithium dendrite. Furthermore, DFEC also has a good performance for forming a thin but stable CEI layer on the surface of the cathode, which can significantly reduce the side reaction between the electrolyte and the cathode. Therefore, Li||LiNi0.8Mn0.1Co0.1O2 (NMC811) full cells with 5% DFEC addition presents a very stable cycling performance[1].
| [Synthesis]
Fluorine vinyl carbonate was added to a reaction bottle in a nitrogen atmosphere, then a first organic solvent was added, and then a chlorinated reagent was added to carry out a chlorine substitution reaction, and after the reaction was completed, the fir | [References]
[1] Hanyu Tu and Xiaobo Ji. “Difluoroethylene Carbonate as an Electrolyte Additive for Engineering the Electrolyte–Electrode Interphase of Lithium Metal Batteries.” ACS Applied Materials & Interfaces 15 46 (2023): 53533–53539.
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