LiBF4 (Lithium tetrafluoroborate) has been extensively tested for use in commercial secondary batteries, an application that exploits its high solubility in nonpolar solvents. Although BF4− has high ionic mobility, solutions of its Li+ salt are less conductive than other less associated salts. As an electrolyte in Lithium-ion batteries, LiBF4 offers some advantages relative to the more common LiPF6. It exhibits greater thermal stability and moisture tolerance. For example LiBF4 can tolerate a moisture content up to 620 ppm at room temperature whereas LiPF6 readily hydrolyzes into toxic POF3 and HF gases, often destroying the battery’s electrode materials. Disadvantages of the electrolyte include a relatively low conductivity and difficulties forming a stable solid electrolyte interface with graphite electrodes.
Synonyms Lithium tetrafluoroborate; Borate(1-), tetrafluoro-, lithium (1:1); Lithium borofluoride; LITHIUM FLUOROBORATE; Lithium tetrafluoroborate; Lithiumtetrafluoroborat [German]; Tétrafluoroborate de lithium [French] [ACD/IUPAC; dilithium fluoro(dioxido)borane; lithium and tetrafluoroborate; Lithium tetrafluoroborate anhydrous; 四氟硼酸锂 [Chinese]
CAS Number 14283-07-9 | Molecular Formula LiBF4 | Molecular Weight 93.746 | EINECS 238-178-9 | MDL Number MFCD00011087
Similar Products High-purity Li Salts
Properties of LiBF4
Appearance White or light yellow powder Melting Point 293-300 °C (dec.)(lit.)
Description of LiBF4
Standard Enterprise standard Purity 99.8% min Water 100 ppm max Insoluble 0.2 % max Na+K 10 ppm max Ca 5 ppm max Fe 5 ppm max Cl 5 ppm max SO4 5 ppm max Package 5kg or per request Storage At room temperature or low temperature, dry and ventilated environment, sealed, away from heat Symbol GHS05, GHS07 Signal Word Danger Hazard Statements H302 + H312 + H332-H314 Precautionary Statements P280-P305 + P351 + P338-P310 Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges RIDADR UN 3260 8 / PGII WGK Germany 3Empty section. Edit page to add content here.