Lithium bis(fluorosulfonyl)imide (LiFSI, LiN(SO₂F)₂) is a next-generation lithium salt electrolyte with superior thermal stability, high ionic conductivity, and excellent electrochemical performance.
As a high-performance alternative to traditional LiPF₆, LiFSI is widely used in advanced lithium-ion batteries for electric vehicles (EVs), energy storage systems (ESS), and consumer electronics.
Our LiFSI is produced via an advanced two-step synthesis process, ensuring ultra-high purity (≥99.99%), low moisture content (≤1 ppm), and minimal acidity (≤3 ppm). Available in both high-purity white powder and liquid (30% concentration) forms, our product meets the stringent requirements of high-end battery applications.
Superior Physicochemical Properties
- High thermal stability: Decomposition temperature >200°C (vs. LiPF₆ at ~80°C)
Enhanced Battery Performance
- Extended cycle life: 20-30% improvement over LiPF₆-based electrolytes
Safety & Environmental Benefits
- Non-toxic & RoHS/REACH compliant
|
Parameter |
Our LiFSI |
Standard LiFSI |
LiPF₆ |
|
Purity |
≥99.99% |
≥99.9% |
≥99.9% |
|
Moisture |
≤1 ppm |
≤50 ppm |
≤20 ppm |
|
Acidity |
≤3 ppm |
≤50 ppm |
≤50 ppm |
|
Cl⁻ |
ND |
≤10 ppm |
≤5 ppm |
|
Decomp. Temp. |
>200°C |
>200°C |
~80°C |
|
Conductivity (25°C) |
12.5 mS/cm |
11.8 mS/cm |
9.5 mS/cm |
|
Product Code |
Form |
Purity |
Packaging |
Storage Conditions |
|
LFSI-P9999 |
Powder |
≥99.99% |
25 kg/drum (aluminum foil-lined) |
Dry, inert gas, ≤25°C |
|
LFSI-L3000 |
Liquid (30% sol.) |
≥99.9% |
200 kg/plastic drum |
Sealed, 15-30°C, dark |
|
LFSI-P999 |
Powder |
≥99.9% |
25 kg/drum (aluminum foil-lined) |
Dry, inert gas, ≤25°C |
Hybrid vehicles (HEVs): High-rate discharge stability with up to 15% additive ratio
Grid-scale storage: Improved thermal stability for long-term operation
Residential ESS: Longer lifespan and reduced degradation
Smartphones & laptops: Enables fast charging and longer runtime
Drones & power tools: Enhances power output and low-temperature performance
Solid-state batteries: Key component in sulfide-based electrolytes
Sodium-ion batteries: NaFSI (sodium analogue) under development
Cutting-Edge Manufacturing
Industry-Leading Quality
Cost Efficiency
Technical Support
- Bulk shipments save 15-20% on freight
- Inventory management support
- MOQ 25 kg, bulk discounts available
- Flexible payment terms
- Global shipping by sea/air/land
- Multiple packaging options
- Stock available for quick shipment
- Just-in-time delivery options
