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901695

Sigma-Aldrich

Lithium tetrafluoroborate

≥98%, acid <200 ppm, anhydrous

Synonym(s):

Lithium borofluoride, Lithium fluoroborate

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About This Item

Linear Formula:
LiBF4
CAS Number:
14283-07-9
Molecular Weight:
93.75
MDL number:
MFCD00011087
UNSPSC Code:
12352302
NACRES:
NA.23

grade

anhydrous

assay

≥98%

form

powder

mp

293-300 °C (dec.) (lit.)

application(s)

battery manufacturing

SMILES string

[Li+].F[B-](F)(F)F

InChI

1S/BF4.Li/c2-1(3,4)5;/q-1;+1

InChI key

UFXJWFBILHTTET-UHFFFAOYSA-N

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General description

Lithium tetrafluoroborate (LiBF4), a lithium salt, exhibits high conductivity, low electrical charge transfer, moisture resistance, and good cyclic properties. It is suitable for a low-temperature electrolytic system. Its performance is comparable to the widely used LiPF6 system.

Application

Lithium tetrafluoroborate (LiBF4) finds application as electrolyte material in lithium ion batteries (LIBs). However, the presence of trace amount of water in LiBF4 causes its hydrolysis which leads to HF generation and destruction of the battery electrodes. Our LiBF4 contains < 100 ppm of water and is well suited for applications in LIBs.

Caution

  • These electrolyte solutions have extremely low water content; Please handle under inert and moisture free environment (glove box).
  • Keep away from heat, sparks and flame. Avoid moisture, strong acid, strong alkalis, and oxidizing agents. Avoid skin and eye contact from product. Highly toxic and corrosive gases (HF) are generated by reaction with moisture os use only under inert gas atmosphere.
  • Please handle under inert and moisture free environment.

Storage:
Keep containers away from heat, humidity, direct sunlight and ignition source. Keep containers tightly closed in a cool dry and well-ventilated place. Do not store with strong oxidizing agents.

Legal Information

Product of Ube Industries Ltd.

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signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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Doi T, et al.
Journal of the Electrochemical Society, 163, A2211-A2215 (2016)
Zuo X, et al.
Journal of the Electrochemical Society, 160, A1199-A1204 (2013)
Vanchiappan Aravindan et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(51), 14326-14346 (2011-11-25)
This paper presents an overview of the various types of lithium salts used to conduct Li(+) ions in electrolyte solutions for lithium rechargeable batteries. More emphasis is paid towards lithium salts and their ionic conductivity in conventional solutions, solid-electrolyte interface

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