Lithium bis(fluorosulfonyl)imide (LiFSI)

Molecular Formula:171611-11-3

CAS NO.:F₂LiNO₄S₂

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Lithium bis(fluorosulfonyl)imide (LiFSI)

Product Introduction

Product Name	Chemical Formula	CAS No.
Lithium Dioxalate Borate (LiBOB)	C₄BLiO₈	244761-29-3
Lithium Difluorooxalate Borate (LiDFOB)	LiBF₂C₂O₄	409071-16-5
Lithium difluorophosphate	LiPO₂F₂	24389-25-1
Lithium bis(fluorosulfonyl)imide (LiFSI)	F₂LiNO₄S₂	171611-11-3
Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI)	(CF₃SO₂)₂NL	90076-65-6
Lithium trifluoromethanesulfonate	CF₃SO₃Li	33454-82-9
Lithium tetrafluoroborate	LiBF₄	14283-07-9
Lithium hexafluorophosphate	LiPF₆	21324-40-3

Application Areas

‌Lithium-ion battery‌: Electrolyte salt is an important component of lithium-ion battery electrolyte. Its main functions include transporting lithium ions and forming a solid electrolyte membrane to stabilize the surface of the positive and negative electrodes and extend the battery life‌
1.‌Lithium-ion battery: Electrolyte salt needs to have low association, antioxidant and anti-reduction properties, good chemical stability and simple preparation process.
2. Electroplating process‌: During the electroplating process, electrolyte salt acts as an electrolyte to promote the migration of metal ions between electrodes, thereby completing the metal plating‌
3. Water treatment‌: Electrolyte salt also has important applications in water treatment. Through the electrolysis process, the salt solution can be decomposed into cations and anions, impurities in the water can be removed, and the water quality can be purified. For example, electrolytic salt can be used in sewage treatment, drinking water treatment and industrial water treatment to effectively remove harmful substances such as organic matter, ammonia nitrogen, heavy metals, and improve water quality and safety‌