Lithium tetrafluoroborate is an inorganic compound with the formula LiBF4. It is a white crystalline powder. It has been extensively tested for use in commercial secondary batteries, an application that exploits its high solubility in nonpolar solvents.
Chemical formula: LiBF4
Molar mass: 93.746 g/mol
Appearance: White/grey crystalline solid
Density: 0.852 g/cm3 solid
Melting point: 296.5 °C (565.7 °F; 569.6 K)
Boiling point: decomposes
Solubility in water: Very soluble
Lithium tetrafluoroborate is extensively utilized as an electrolyte in primary and secondary cells. It is used in rechargeable Li ion batteries. The electrolytes are non aqueous solutions of lithium tetrafluoroborate in the organic media.