916678-13-2 | 2,2-Difluoroethyl Methyl Carbonate

CAS:916678-13-2 | 2,2-Difluoroethyl Methyl Carbonate ,Description

2,2-Difluoroethyl Methyl Carbonate, also known as DFM, is a chemical compound used in various scientific research applications. It is a colorless liquid with a molecular weight of 136.07 g/mol and a boiling point of 74-76°C. DFM is widely used as a reagent in organic synthesis and as a solvent in various chemical reactions.
 The boiling point of the new fluorinated lithium battery additive is 132 degrees Celsius.

Scientific Research Applications

Fluorination and Battery Performance

2,2-Difluoroethyl methyl carbonate (F2EMC) plays a significant role in the field of lithium-ion batteries. Studies have shown that the fluorination of electrolyte solvents, such as F2EMC, is an effective method for improving battery performance. For instance, a study found that the use of F2EMC in lithium-ion batteries could enhance cycling stability compared to fully fluorinated solvents, attributed to the locally-polar groups facilitating fast ion conduction (Yu et al., 2022). Another research highlighted the advantageous properties of fluorinated carbonate-based solvents, including F2EMC, in lithium-ion electrolytes, such as increased stability and favorable film-forming characteristics (Smart et al., 2003).

Electrolytic Characteristics

The electrolytic properties of fluoromethyl methyl carbonate (FMMC), which is related to 2,2-Difluoroethyl methyl carbonate, have been studied for their application in lithium rechargeable batteries. FMMC has shown higher electrolytic conductivity and improved charge-discharge characteristics compared to non-fluorinated counterparts (Nanbu et al., 2009).

Solvent Applications

2,2-Difluoroethyl methyl carbonate is also significant in solvent applications. For example, 2-Methoxyethyl (methyl) carbonate, a solvent similar to F2EMC, has been identified for its utility in Li-ion batteries, demonstrating strong interactions between solvent molecules and Li ions (Gu et al., 2000).

Chemical Synthesis

The reactivity of similar compounds, like dimethyl carbonate (DMC), in chemical syntheses has been extensively studied. DMC, akin to 2,2-Difluoroethyl methyl carbonate, serves as an eco-friendly alternative for methylation and carbonylation processes, demonstrating tunable reactivity based on reaction conditions (Tundo & Selva, 2002).

Effect on Physical and Electrochemical Properties

Research on the effects of fluorination on physical and electrochemical properties of solvents has been conducted. For instance, the study of monofluorinated solvents shows their significant impact on these properties, which is relevant to the application of 2,2-Difluoroethyl methyl carbonate (Nambu et al., 2012).

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