Atomfair PRO 99.95% (3N5) Fluoroethylene Carbonate FEC (C3H3FO3)

Fluoroethylene Carbonate (FEC, CAS 114435-02-8, C₃H₃FO₃) is a colorless liquid electrolyte additive for Li-ion batteries. It forms stable SEI layers, boosts cycle efficiency, enhances low-temperature performance and oxidation resistance.

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Description

Fluoroethylene Carbonate (FEC) – Product Specification

Item Details
 Name Fluoroethylene Carbonate (FEC)
CAS Number 114435-02-8
Chemical Formula C₃H₃FO₃
Molecular Weight 106.05
Physical Properties – Density: 1.454 g/mL

– Melting Point: ~18℃

– Boiling Point: 249℃

– Flash Point: 120℃

– Appearance: Colorless transparent liquid

Applications An important electrolyte additive for lithium-ion batteries, serving as a co-solvent. It facilitates the formation of electrolytes with high reversible capacity, enhances battery cycle efficiency and discharge capacity retention. Excels in improving battery performance (especially low-temperature performance) and is suitable for high-voltage systems. Its fluorine-containing structure enables the formation of a thin, stable Solid Electrolyte Interface (SEI) layer and provides excellent oxidation resistance. Widely used in battery material research.

 

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Additional information

weight

50g, 100g

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