Glyme-lithium bis(trifluoromethanesulfonyl)imide and glyme-lithium bis(perfluoroethanesulfonyl)imide phase behavior and solvate structures

Wesley A. Henderson; Fred McKenna; Masood A. Khan; Neil R. Brooks; Victor G. Young; Roger Frech

doi:10.1021/cm047881j

Glyme-lithium bis(trifluoromethanesulfonyl)imide and glyme-lithium bis(perfluoroethanesulfonyl)imide phase behavior and solvate structures

Wesley A. Henderson, Fred McKenna, Masood A. Khan, Neil R. Brooks, Victor G. Young, Roger Frech

Chemistry (Twin Cities)

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Abstract

Crystal structures of glyme solvates with LiTFSI and LiBETI (TFSI ^- = bis(trifluoromethanesulfonyl)imide, BETI ^- = bis(perfluoroethanesulfonyl)imide) have been determined including (monoglyme)i: LiBETI, (diglyme) ₂:LiTFSI, (diglyme) _1/2:LiTFSI, and low-temperature (triglyme)i:LiBETI. These solvates, combined with the phase behavior of the salts with various glymes from DSC analysis, provide insight into the molecular interactions of lithium salts in ethoxy solvents commonly used for. solid polymer and liquid electrolytes. Many of the solvates appear to undergo order-disorder solid phase transitions. These are the first reported crystal structures containing the BETI ^- anion.

Original language	English (US)
Pages (from-to)	2284-2289
Number of pages	6
Journal	Chemistry of Materials
Volume	17
Issue number	9
DOIs	https://doi.org/10.1021/cm047881j
State	Published - May 3 2005

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title = "Glyme-lithium bis(trifluoromethanesulfonyl)imide and glyme-lithium bis(perfluoroethanesulfonyl)imide phase behavior and solvate structures",

abstract = "Crystal structures of glyme solvates with LiTFSI and LiBETI (TFSI - = bis(trifluoromethanesulfonyl)imide, BETI - = bis(perfluoroethanesulfonyl)imide) have been determined including (monoglyme)i: LiBETI, (diglyme) 2:LiTFSI, (diglyme) 1/2:LiTFSI, and low-temperature (triglyme)i:LiBETI. These solvates, combined with the phase behavior of the salts with various glymes from DSC analysis, provide insight into the molecular interactions of lithium salts in ethoxy solvents commonly used for. solid polymer and liquid electrolytes. Many of the solvates appear to undergo order-disorder solid phase transitions. These are the first reported crystal structures containing the BETI - anion.",

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T1 - Glyme-lithium bis(trifluoromethanesulfonyl)imide and glyme-lithium bis(perfluoroethanesulfonyl)imide phase behavior and solvate structures

AU - Henderson, Wesley A.

AU - McKenna, Fred

AU - Khan, Masood A.

AU - Brooks, Neil R.

AU - Young, Victor G.

AU - Frech, Roger

PY - 2005/5/3

Y1 - 2005/5/3

N2 - Crystal structures of glyme solvates with LiTFSI and LiBETI (TFSI - = bis(trifluoromethanesulfonyl)imide, BETI - = bis(perfluoroethanesulfonyl)imide) have been determined including (monoglyme)i: LiBETI, (diglyme) 2:LiTFSI, (diglyme) 1/2:LiTFSI, and low-temperature (triglyme)i:LiBETI. These solvates, combined with the phase behavior of the salts with various glymes from DSC analysis, provide insight into the molecular interactions of lithium salts in ethoxy solvents commonly used for. solid polymer and liquid electrolytes. Many of the solvates appear to undergo order-disorder solid phase transitions. These are the first reported crystal structures containing the BETI - anion.

AB - Crystal structures of glyme solvates with LiTFSI and LiBETI (TFSI - = bis(trifluoromethanesulfonyl)imide, BETI - = bis(perfluoroethanesulfonyl)imide) have been determined including (monoglyme)i: LiBETI, (diglyme) 2:LiTFSI, (diglyme) 1/2:LiTFSI, and low-temperature (triglyme)i:LiBETI. These solvates, combined with the phase behavior of the salts with various glymes from DSC analysis, provide insight into the molecular interactions of lithium salts in ethoxy solvents commonly used for. solid polymer and liquid electrolytes. Many of the solvates appear to undergo order-disorder solid phase transitions. These are the first reported crystal structures containing the BETI - anion.

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U2 - 10.1021/cm047881j

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JF - Chemistry of Materials

IS - 9

ER -

Glyme-lithium bis(trifluoromethanesulfonyl)imide and glyme-lithium bis(perfluoroethanesulfonyl)imide phase behavior and solvate structures

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