| Identification | Back Directory | [Name]
Carbonic acid, Methyl 2,2,2-trifluoroethyl ester | [CAS]
156783-95-8 | [Synonyms]
Methyl trifluoroethyl carbonate
Methyl trifluoroethylene carbonate
Methyl2,2,2-trifluoroethylcarbonate
2,2,2-trifluoroethyl Methyl carbonate
Methyl 2,2,2-trifluoroethyl carbonate 97%
Carbonic acid, Methyl 2,2,2-trifluoroethyl ester | [EINECS(EC#)]
694-997-5 | [Molecular Formula]
C4H5F3O3 | [MDL Number]
MFCD28054295 | [MOL File]
156783-95-8.mol | [Molecular Weight]
158.08 |
| Chemical Properties | Back Directory | [Boiling point ]
74.2±40.0 °C(Predicted) | [density ]
1.308g/ml | [storage temp. ]
Sealed in dry,Room Temperature | [form ]
liquid | [color ]
Clear, almost colourless |
| Hazard Information | Back Directory | [Description]
Methyl (2,2,2-trifluoroethyl) carbonate (FEMC; Carbonic acid, Methyl 2,2,2-trifluoroethyl ester), ≥99%, battery grade is one kind of fluorinated linear carbonate. It comes with very low water content (≤ 300.0 ppm) and low impurity of HF (≤ 250.0 ppm) which is ideal for battery research. | [Application]
Battery-grade methyl (2,2,2-trifluoroethyl) carbonate (FEMC; Carbonic acid, Methyl 2,2,2-trifluoroethyl ester) is an effective additive for improving the performance and stability of lithium-ion batteries. Its outstanding thermal and electrochemical stability makes it a reliable option for high-temperature and high-voltage battery applications. FEMC has been shown to improve battery life, enhance energy density, and increase cycling stability. As an electrolyte additive in lithium-ion batteries (LIBs), FEMC plays a vital role in forming a stable solid electrolyte interphase (SEI) and effective passivation of the cathode surfaces, resulting in enhanced discharge capacity and cyclability. Even adding 5 wt % of FEMC was found to be very effective in forming a stable SEI layer and protecting the surface of the cathode. FEMC's high performance makes it an attractive choice for battery manufacturers looking to create safe and efficient battery products.
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