Lithium Bis(trifluoromethanesulfonyl)imide

Lithium bis(trifluoromethanesulfonyl)imide, commonly referred to as LiTFSI, is a hydrophilic inorganic lithium salt. It is widely recognized and employed in advanced battery technology as a safer alternative to the conventionally used lithium hexafluorophosphate (LiPF₆). Alfa Chemistry offers high-quality LiTFSI electrolyte. Please contact us for pricing and more information on this product.

Product Name: Lithium Bis(trifluoromethanesulfonyl)imide

CAS Number: 90076-65-6

Molecular Weight: 287.09

Basic Parameters

Items	Lithium Bis(trifluoromethanesulfonyl)imide
Catalog	ACSEM-BM-E004
Linear Formula	C₂F₆LiNO₄S₂
EC Number	415-300-0
MDL Number	MFCD00210017
Appearance	Colorless solution
Moisture	≤20 ppm
Concentration	1 mol/L (1 M)
Solvent	Dioxolane (DOL)/dimethoxyethane (DME) = 1:1 (v/v)
Additive	1 wt% LiNO₃ or 2 wt% LiNO₃
Free Acid (as HF)	≤30 ppm
Chromaticity	≤50 Hazen
Density	1.15±0.05 g/mL
Conductivity	11.0±0.5 mS/cm
Storage	Store in a cool and dry place, avoid storing together with oxidizers

Note: Organic solvent volume ratio, and additive type and ratio can be customized.

Properties

LiTFSI is widely used as an electrolyte in lithium-sulfur batteries and lithium-ion batteries. Here are some of its key properties:

Solubility. LiTFSI is highly soluble in polar solvents, which enhances its ionic conductivity. This makes it a strong candidate for use in both liquid and solid-state electrolytes.
Ionic conductivity. LiTFSI exhibits excellent ionic conductivity, which is essential for the performance of batteries. It enables efficient ion transport, crucial for battery efficiency and longevity.
Thermal stability. LiTFSI has good thermal stability and can withstand high temperatures without decomposing, which is beneficial for battery applications where heat generation is a concern.
Electrochemical stability. LiTFSI shows a wide electrochemical stability window, making it suitable for various types of lithium-ion batteries, including those using high voltage cathodes. In addition, it has less corrosion effect on aluminum foil at higher voltages, which can meet the requirements of the new energy vehicle industry for increased battery energy density.

Elevate your battery efficiency with the superior conductivity of Lithium Bis(trifluoromethanesulfonyl)imide!

Lithium Bis(trifluoromethanesulfonyl)imide

Basic Parameters

Properties

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