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Sodium Bis(fluorosulfonyl)imide

Catalog Number
ACM100669963-2
Product Name
Sodium Bis(fluorosulfonyl)imide
CAS
100669-96-3
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Synonyms
NaFSI
IUPAC Name
sodium;bis(fluorosulfonyl)azanide
Molecular Weight
203.11
Molecular Formula
F2NNaO4S2
Canonical SMILES
[N-](S(=O)(=O)F)S(=O)(=O)F.[Na+]
InChI
InChI=1S/F2NO4S2.Na/c1-8(4,5)3-9(2,6)7;/q-1;+1
InChI Key
VCCATSJUUVERFU-UHFFFAOYSA-N
Melting Point
112 °C
Purity
>98.0%(T)
Appearance
White to Almost white powder to crystal
Storage
Store under inert gas
Complexity
235
Covalently-Bonded Unit Count
2
Exact Mass
202.91345g/mol
Formal Charge
0
H-Bond Acceptor
7
H-Bond Donor
0
Heavy Atom Count
10
Monoisotopic Mass
202.91345g/mol
Rotatable Bond Count
2
Application
Sodium Bis(fluorosulfonyl)imide serves as a highly concentrated electrolyte designed to facilitate the use of sodium metal anodes in room-temperature sodium metal batteries. This innovation is specifically tailored for applications involving a Na3V2(PO4)3 cathode, optimizing performance with a charging cut-off voltage of 3.7 V relative to Na/Na+.
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