90076-65-6 | Lithium bis((trifluoromethyl)sulfonyl)azanide

CAS:90076-65-6 | Lithium bis((trifluoromethyl)sulfonyl)azanide ,Description

Lithium bis((trifluoromethyl)sulfonyl)azanide, also known as lithium bis(trifluoromethanesulfonyl)imide, is a strong anion-exchange resin that is used extensively in various scientific research applications. It is a highly versatile and robust compound that can be used in a variety of experiments involving organic synthesis, electrochemistry, and analytical chemistry. The compound has a wide range of applications and is used in many different fields, including pharmaceuticals, biochemistry, and environmental science.
 

Scientific Research Applications

1. Electrolytes in Lithium-Ion Batteries

Lithium bis((trifluoromethyl)sulfonyl)azanide (LiTFSI) is explored as a conducting salt in electrolytes for lithium-ion batteries. Studies have shown that the concentration of LiTFSI and the composition of the solvent mixture significantly affect aluminum dissolution, which is crucial for the battery's stability and performance. Specifically, high LiTFSI concentrations and the addition of ionic liquids to organic solvents showed the best results in minimizing dissolution or corrosion (Hofmann et al., 2014).

2. Solid Electrolyte Interphase Formation

LiTFSI plays a role in the spontaneous formation of solid electrolyte interphase (s-SEI) layers on lithium metal surfaces. These layers are critical in lithium-ion batteries as they affect the battery's morphology, structure, and mechanical properties, influencing overall efficiency and lifespan. Studies have shown that s-SEI layers formed in LiTFSI electrolytes are similar to electrochemically reduced SEI layers and can improve the polarization potential of batteries (Zhang et al., 2021).

3. Stereocontrolled Synthesis in Chemistry

LiTFSI has been found effective in the stereocontrolled synthesis of α-D-ribofuranosides, a type of chemical synthesis. The presence of LiTFSI reverses the typical stereocontrol, yielding α-D-ribofuranosides, which are important in various chemical syntheses (Uchiro & Mukaiyama, 1996).

4. Lithium Extraction from Brine

LiTFSI-based ionic liquids have been employed for extracting lithium from salt lake brines. This application is significant due to the growing demand for lithium in various industries, especially in battery production. The efficiency and selectivity of these extractions depend on the cation structure and concentration of the ionic liquid (Wang et al., 2018).

5. Suppression of Lithium Dendrite Growth

In lithium batteries, LiTFSI-based electrolytes have demonstrated the ability to significantly suppress lithium dendrite growth. This is crucial for enhancing battery safety and extending its life. Various techniques, including electrochemical impedance spectroscopy and scanning electron microscopy, have been used to study this effect (Schweikert et al., 2013).

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