406-78-0 | 1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether

CAS:406-78-0 | 1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether ,Description

1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether (TFE-TFE) is a highly fluorinated ether that has been widely used in scientific research due to its unique properties. It is a colorless, volatile liquid with a low boiling point and a high vapor pressure. TFE-TFE is an excellent solvent for many organic compounds and is also highly soluble in water. It is also an excellent solvent for many inorganic compounds, such as metals, salts, and acids. Furthermore, TFE-TFE has been used in a variety of applications in industry and research, such as in the synthesis of pharmaceuticals, in the production of polymers, and in the manufacture of semiconductors. 
 

Scientific Research Applications

Application in Advanced Lithium–Sulfur Batteries

1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether (TFTFE) has been used as a support solvent in solvate ionic liquids for lithium–sulfur batteries. The addition of TFTFE enhances the cycle and rate capability of these cells. Its role is crucial in enhancing ionic conduction, particularly in high-rate cycle environments, making it a valuable component in battery technology (Lu et al., 2016).

Role in Electrochemical Fluorination

TFTFE has been involved in the electrochemical fluorination of chlorine-containing amines. This process yields various chloropolyfluoroethers, including 1,1,2,2-tetrafluoroethyl difluoromethyl ether, showcasing its versatility in chemical synthesis and reactions (Okazaki et al., 1974).

Non-Flammable Electrolyte for Li-Metal Batteries

In lithium-metal batteries, TFTFE has been used to formulate non-flammable electrolytes, enhancing the safety and efficiency of these batteries. This modification corrects previous misconceptions about the chemical nature of such electrolytes and highlights TFTFE's significance in battery safety and performance (Fan et al., 2018).

Plasma Etching in SiO2

TFTFE is utilized in plasma etching of SiO2, where it serves as a lower global warming potential alternative to perfluorocompounds. This application is crucial in the semiconductor industry, offering higher etch rates and efficiency in the manufacturing process (Kim et al., 2020).

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