Basic information
Product: Lithium difluorooxalate borate (alias: Lithium difluorooxalate borate, LiODFB, LiDFOB)
English name: Lithium difluoro (oxalato) border (LiODFB)
CAS number: 409071-16-5
Molecular formula: C2BF2LiOMolecular weight: 143.76
Physical property
Appearance: White powder or white crystalline solid
Melting point: 265-271 ° C
Density: 2.12 g/cm3
Solubility: Highly soluble in water (with strong hygroscopicity), soluble in organic solvents such as carbonates, ethers, and gamma butyrolactone
Chemical properties and functions
Thermal stability: Maintain chemical stability over a wide temperature range of 12
Conductivity: As an electrolyte salt, it can enhance the conductivity of lithium batteries by 13%
Cycle performance: Forming a stable solid electrolyte interface (SEI film) on the surface of graphite negative electrode, improving the high/low temperature cycle efficiency and capacity retention rate of the battery
Application area
- Lithium battery electrolyte:
- Used as a film-forming additive or conductive salt, it combines the advantages of LiBOB (lithium bis oxalate borate) and LiBF4 (lithium tetrafluoroborate)
- Improve battery specific capacity, low-temperature cycling performance, and high-temperature stability
Packaging
Purity ≥ 99%, common packaging specifications are 1kg/bottle, 25kg/barrel
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