Lithium bis(trifluoromethanesulfonyl)imide

Lithium bis(trifluoromethanesulfonyl)imide

Names
IUPAC name Lithium bis(trifluoromethylsulfonyl)azanide
Other names LiTFSI
Identifiers
CAS Number	90076-65-6 Y
3D model (JSmol)	Interactive image
PubChem CID	164811733
RTECS number	XR2775000
UNII	9Y730392A5 Y
InChI InChI=1S/C2F6NO4S2.Li/c3-1(4,5)14(10,11)9-15(12,13)2(6,7)8;/q-1;+1 Key: QSZMZKBZAYQGRS-UHFFFAOYSA-N
SMILES [Li+].C(F)(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F
Properties
Chemical formula	LiC 2F 6NO 4S 2
Molar mass	287.075 g/mol
Appearance	White solid
Odor	odorless
Density	1.33 g/cm3
Melting point	236 °C (457 °F; 509 K)
Solubility in water	soluble in water
Hazards
Safety data sheet	[1]
Related compounds
Other anions	Bistriflimide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Lithium bis(trifluoromethanesulfonyl)imide, often simply referred to as LiTFSI, is a hydrophilic salt with the chemical formula LiC₂F₆NO₄S₂.^[1] It is commonly used as Li-ion source in electrolytes for Li-ion batteries as a safer alternative to commonly used lithium hexafluorophosphate.^[2] It is made up of one Li cation and a bistriflimide anion.

Because of its very high solubility in water (> 21 m), LiTFSI has been used as lithium salt in water-in-salt electrolytes for aqueous lithium-ion batteries.^[3][4][5]

References

1. 
   ^ Pubchem. "90076-65-6 | C2F6LiNO4S2 - PubChem". pubchem.ncbi.nlm.nih.gov. Retrieved 2017-03-11..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
   


2. 
   ^ Kalhoff, Julian; Bresser, Dominic; Bolloli, Marco; Alloin, Fannie; Sanchez, Jean-Yves; Passerini, Stefano (2014-10-01). "Enabling LiTFSI-based Electrolytes for Safer Lithium-Ion Batteries by Using Linear Fluorinated Carbonates as (Co)Solvent". ChemSusChem. 7 (10): 2939–2946. doi:10.1002/cssc.201402502. ISSN 1864-564X.
   


3. 
   ^ Suo, Liumin; Borodin, Oleg; Gao, Tao; Olguin, Marco; Ho, Janet; Fan, Xiulin; Luo, Chao; Wang, Chunsheng; Xu, Kang (2015-11-20). ""Water-in-salt" electrolyte enables high-voltage aqueous lithium-ion chemistries". Science. 350 (6263): 938–943. doi:10.1126/science.aab1595. ISSN 0036-8075. PMID 26586759.
   


4. 
   ^ Smith, Leland; Dunn, Bruce (2015-11-20). "Opening the window for aqueous electrolytes". Science. 350 (6263): 918–918. doi:10.1126/science.aad5575. ISSN 0036-8075. PMID 26586752.
   


5. 
   ^ Suo, Liumin; Borodin, Oleg; Gao, Tao; Olguin, Marco; Ho, Janet; Fan, Xiulin; Luo, Chao; Wang, Chunsheng; Xu, Kang (2015-11-20). ""Water-in-salt" electrolyte enables high-voltage aqueous lithium-ion chemistries". Science. 350 (6263): 938–943. doi:10.1126/science.aab1595. ISSN 0036-8075. PMID 26586759.
   

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