Lithium difluoro(oxalato)borate(1-)

Base Information

• Chemical Name: Lithium difluoro(oxalato)borate(1-)
• CAS No.: 409071-16-5
• Molecular Formula: C2BF2O4.Li
• Molecular Weight: 143.768
• Hs Code.: 29319090
• Mol file: 409071-16-5.mol

Synonyms:LIF2OB LIFOB LIODFB Lithium difluoro(ethanedioato)borate Lithium oxalatodigluoroborate

Chemical Property of Lithium difluoro(oxalato)borate(1-)

Chemical Property:

• Vapor Pressure: 0.003Pa at 20℃
• Melting Point: 265-271°C
• Boiling Point: 275.3℃ at 102kPa
• PSA: 52.60000
• Density: 2.01-2.065g/cm3 at 20℃
• LogP: -0.53900
• Storage Temp.: Inert atmosphere,Room Temperature
• Solubility.: Water (Slightly)

Purity/Quality:

99% ^*data from raw suppliers

Lithium difluoro(oxalato)borate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26

MSDS Files:

SDS file from LookChem

Useful:

• Uses: LiODFB is used as a thermally stable novel salt and an electrolytic additive for lithium-ion batteries. It facilitates the formation of stable solid electrolyte interphase (SEI) on the negative electrode during the fabrication of the cell. It substantially enhances the cyclic performance, capacity and power retention of the electrochemical system. Lithium difluorooxalatoborate (LIODFB) is a salt for high-performance Li-ion batteries with improved cycle life; power capability; low temperature and high rate performance of the battery. Lithium difluorooxalatoborate can be used as a film-forming additive in the electrolyte of lithium batteries or replace lithium hexafluorophosphate as a conductive salt.

Technology Process of Lithium difluoro(oxalato)borate(1-)

There total 19 articles about Lithium difluoro(oxalato)borate(1-) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 99.1%

oxalyl dichloride (79-37-8) + fluoroboronic acid (14720-33-3) + hydrogen fluoride (7664-39-3,12381-92-9,32057-09-3,74835-82-8) → lithium difluoromono[1,2-oxalato(2-)-O,O'] borate (409071-16-5)

Guidance literature:

oxalyl dichloride; fluoroboronic acid; In acetonitrile; at -30 ℃; for 24h; under 0 Torr; Flow reactor;

hydrogen fluoride; In acetonitrile; Flow reactor;

Reference yield: 98.23%

boron trifluoride (7637-07-2) + lithium oxalate (553-91-3) → lithium difluoromono[1,2-oxalato(2-)-O,O'] borate (409071-16-5)

Guidance literature:

With hydrogen fluoride; at 30 ℃; for 4h; Temperature;

Reference yield: 97.6%

lithium tetrafluoroborate + silicon dimethyl oxalate → lithium difluoromono[1,2-oxalato(2-)-O,O'] borate (409071-16-5)

Guidance literature:

at 43 - 47 ℃; for 11h; Inert atmosphere;

upstream raw materials:

oxalic acid

ethanedioic acid bis(trimethylsilyl)ester

lithium hexafluorophosphate

boron trifluoride diethyl etherate

Downstream raw materials:

lithium bis[1,2-oxalato^(2-)-O,O'] borate

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