Lithium Hexafluorophosphate (LiPF₆)
LiPF₆
CAS 21324-40-3The mainstream lithium salt in Li-ion electrolytes, where purity and free acid determine cell life.
LiPF₆ ≥ 99.9%
ELECTROLYTES · Materials Stage
Electrolytes
Electrolyte salts determine ionic conductivity, the electrochemical window and high-temperature stability. LiPF₆ remains the mainstream choice, while LiFSI and LiDFOB improve low- and high-temperature behaviour, fast charging and film formation. This category lists the key control items: moisture, free acid, sulfate and insoluble matter.
5products
Materials Stagevalue-chain stage
Lithium salts are extremely sensitive to moisture and free acid and should be dispensed in a dry room (dew point ≤ −40 °C); once opened, single use is recommended.
Lithium Bis(fluorosulfonyl)imide (LiFSI)
LiN(SO₂F)₂
CAS 126324-62-6Next-generation electrolyte salt with high conductivity, a wide temperature range and hydrolysis resistance.
LiFSI ≥ 99.9%
Lithium Difluoro(oxalato)borate (LiDFOB)
LiBF₂(C₂O₄)
CAS 409071-16-5Film-forming salt additive that improves high-temperature and high-voltage cycling.
LiDFOB ≥ 99.5%
Lithium Tetrafluoroborate (LiBF₄)
LiBF₄
CAS 14283-07-9Auxiliary lithium salt for low-temperature and high-voltage systems.
LiBF₄ ≥ 99.9%
Lithium-Ion Battery Electrolyte
LiPF₆ / solvents / additives
CAS —Custom electrolyte formulations for specific cell systems, delivered at scale.
Conductivity 8–12 mS/cm
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