Lithium Bis(fluorosulfonyl)imide
- CAS NO.:171611-11-3
- Empirical Formula: F2NO4S2.Li
- Molecular Weight: 187.0721064
- MDL number: MFCD28126786
- EINECS: 686-526-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:57
What is Lithium Bis(fluorosulfonyl)imide?
Chemical properties
White to Almost white powder to crystal with Molecular Crystal Electrolytes with High Lithium Ion Conductivity.
Characteristics
Lithium bis(fluorosulfonyl)imide(LiFSI) is a important high-performance electrolyte material in new energy devices such as lithium-ion batteries and supercapacitors. It has the advantages of high stability (no decomposition below 200°C), excellent low temperature performance, good hydrolytic stability and environmental friendliness, etc., as the next generation of lithium hexafluorophosphate electrolyte lithium salt for secondary lithium ion batteries.
The Uses of Lithium Bis(fluorosulfonyl)imide
Lithium bis(fluorosulfonyl)imide is a promising new electrolyte additive for lithium ion batteries showing increased conductivity over LiPF6. Bis(fluorosulfonyl)imide has also been tested in next generation gel polymer electrolytes with improved safety properties.
Preparation
Lithium bis(fluorosulfonyl)imide (LiFSI) was synthesized by a metathesis reaction between KFSI and LiBF4 in DMC in nearly quantitative yield, similar to the preparation of its analogue, lithium (fluorosulfonyl) (pentafluoroethanesulfonyl)imide (LiFPFSI).
DOI: https://doi.org/10.1016/j.jpowsour.2010.12.040
Properties of Lithium Bis(fluorosulfonyl)imide
Melting point: | 124-128℃ |
Density | 1.052g/cm3 at 25℃ |
vapor pressure | 27.198-31.064Pa at 20-25℃ |
storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
Water Solubility | Soluble in water |
form | Solid |
color | White to Almost white |
InChI | InChI=1S/F2NO4S2.Li/c1-8(4,5)3-9(2,6)7;/q-1;+1 |
EPA Substance Registry System | Imidodisulfuryl fluoride, lithium salt (1:1) (171611-11-3) |
Safety information for Lithium Bis(fluorosulfonyl)imide
Signal word | Danger |
Pictogram(s) |
Corrosion Corrosives GHS05 |
GHS Hazard Statements |
H314:Skin corrosion/irritation |
Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for Lithium Bis(fluorosulfonyl)imide
InChIKey | HOQSGMWVPMHPSZ-UHFFFAOYSA-N |
SMILES | [N-](S(=O)(F)=O)S(=O)(F)=O.[Li+] |
Lithium Bis(fluorosulfonyl)imide manufacturer
yogi intermediates pvt ltd
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