Lithium Bis(fluorosulfonyl)imide ( LiFSI), 99%

Lithium Bis(fluorosulfonyl)imide ( LiFSI), 99%

CAS Number: 171611-11-3
Product Code: ARL9915
Molecular Formula/Molecular Weight: / 187.06
Purity: 99%
HSN Number: 28419092
Product Name

Note: For research use only, not for direct human use.*

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Description : Lithium bis(fluorosulfonyl)imide (LiFSI) is a white, crystalline powder that is a promising electrolyte salt for lithium-ion batteries. It offers advantages over traditional lithium salts like LiPF6, including higher ionic conductivity, better stability, and improved low-temperature performance.

Appearance White to almost white powder
Confirms Structure NMR
Melting Point 133 °C
Solubility Soluble in Water
Physical State (20 deg.C) Solid
Storage Temperature 20-25°C
Conditions to Avoid Moisture and light sensitive
Storage Condition Store under inert gas
Density 1.052 g/cm3
Packaging and Container PFA bottle
Pictogram :
Lithium bis(fluorosulfonyl)imide, also known as LiFSI, is a chemical compound requiring careful handling due to its potential hazards. It's important to avoid skin and eye contact, inhalation of dust or aerosols, and exposure to moisture. Appropriate personal protective equipment, such as gloves, eye protection, and respiratory protection, should be used.

Lithium bis(fluorosulfonyl)imide (LiFSI) is a lithium salt with applications in both lithium-ion batteries and perovskite solar cells. In batteries, it's used as a main salt or additive in electrolytes to improve performance and stability, particularly at low temperatures and high charge rates. In solar cells, LiFSI, specifically Li-TFSI (Lithium bis(trifluoromethanesulfonyl)imide), is used as an additive to enhance hole mobility in the hole-transporting layer, but its hygroscopic nature can affect long-term stability.

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Product Documents


Safety Data Sheet (SDS)
COA & Other Certificates
Analytical Data
Sample COA

This is a sample COA and may not represent a recently manufactured lot of the product.

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