Lithium Hexafluorophosphate (LiPF6) Electrolyte Salt
CAS Number: 21324-40-3
Lithium hexafluorophosphate (LiPF6) is the dominant electrolyte salt for commercial lithium-ion batteries, delivering high ionic conductivity and broad electrochemical stability window. Supplied as anhydrous crystalline powder with strict HF and moisture control to protect cell performance and safety.
Technical Specifications
| Fe (ppm) | ≤1 |
| HF (ppm) | ≤20 |
| appearance | White crystalline powder |
| purity (%) | ≥99.9 |
| moisture (ppm) | ≤20 |
| free acid as HF (ppm) | ≤30 |
Applications
- Lithium-ion battery electrolyte formulation (1M in EC/DMC/EMC)
- Pouch, cylindrical, and prismatic cell manufacturing
- High-voltage electrolyte systems (>4.3V)
- Fast-charging electrolyte development
- Semi-solid and gel polymer electrolytes
Key Features
- Purity ≥99.9% with HF ≤20 ppm ensures long-term cycle stability
- Dry-room compatible packaging (sealed under argon) prevents moisture uptake
- Consistent ionic conductivity >10 mS/cm in standard EC/DMC solutions
- Batch-level 19F-NMR and ICP-MS analysis provided for quality assurance
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