Di-Fluoro ethylene carbonate Chemical Properties

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|

Safety Information

HS Code 

2932990090

Di-Fluoro ethylene carbonate Usage And Synthesis

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].

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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