Tetraglyme-Li+ Cation Solvate Structures: Models for Amorphous Concentrated Liquid and Polymer Electrolytes (II)

Wesley A. Henderson; Neil R. Brooks; Victor G. Young

doi:10.1021/cm034352r

Tetraglyme-Li⁺ Cation Solvate Structures: Models for Amorphous Concentrated Liquid and Polymer Electrolytes (II)

Wesley A. Henderson
, Neil R. Brooks
, Victor G. Young

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

114 Scopus citations

Abstract

Three crystal structures of tetraglyme coordination complexes with lithium salts are reported-(tetraglyme)₁:LiAsF₆, (tetraglyme) _1/2:LiBF₄, and (tetraglyme)_2/5:LiCF ₃CO₂. A novel form of six-coordinate Li⁺ cation coordination by the ether oxygens is found resembling double-helix dimers. Structural characterization of these materials provides insight into the molecular interactions which occur among the cations, anions, and ether oxygens. Such interactions are of interest for aiding in the understanding of the many factors which contribute to ionic conductivity mechanisms in amorphous concentrated liquid and solid poly(ethylene oxide) electrolytes.

Original language	English (US)
Pages (from-to)	4685-4690
Number of pages	6
Journal	Chemistry of Materials
Volume	15
Issue number	24
DOIs	https://doi.org/10.1021/cm034352r
State	Published - Dec 2 2003

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10.1021/cm034352r

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title = "Tetraglyme-Li+ Cation Solvate Structures: Models for Amorphous Concentrated Liquid and Polymer Electrolytes (II)",

abstract = "Three crystal structures of tetraglyme coordination complexes with lithium salts are reported-(tetraglyme)1:LiAsF6, (tetraglyme) 1/2:LiBF4, and (tetraglyme)2/5:LiCF 3CO2. A novel form of six-coordinate Li+ cation coordination by the ether oxygens is found resembling double-helix dimers. Structural characterization of these materials provides insight into the molecular interactions which occur among the cations, anions, and ether oxygens. Such interactions are of interest for aiding in the understanding of the many factors which contribute to ionic conductivity mechanisms in amorphous concentrated liquid and solid poly(ethylene oxide) electrolytes.",

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T2 - Models for Amorphous Concentrated Liquid and Polymer Electrolytes (II)

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AU - Brooks, Neil R.

AU - Young, Victor G.

PY - 2003/12/2

Y1 - 2003/12/2

N2 - Three crystal structures of tetraglyme coordination complexes with lithium salts are reported-(tetraglyme)1:LiAsF6, (tetraglyme) 1/2:LiBF4, and (tetraglyme)2/5:LiCF 3CO2. A novel form of six-coordinate Li+ cation coordination by the ether oxygens is found resembling double-helix dimers. Structural characterization of these materials provides insight into the molecular interactions which occur among the cations, anions, and ether oxygens. Such interactions are of interest for aiding in the understanding of the many factors which contribute to ionic conductivity mechanisms in amorphous concentrated liquid and solid poly(ethylene oxide) electrolytes.

AB - Three crystal structures of tetraglyme coordination complexes with lithium salts are reported-(tetraglyme)1:LiAsF6, (tetraglyme) 1/2:LiBF4, and (tetraglyme)2/5:LiCF 3CO2. A novel form of six-coordinate Li+ cation coordination by the ether oxygens is found resembling double-helix dimers. Structural characterization of these materials provides insight into the molecular interactions which occur among the cations, anions, and ether oxygens. Such interactions are of interest for aiding in the understanding of the many factors which contribute to ionic conductivity mechanisms in amorphous concentrated liquid and solid poly(ethylene oxide) electrolytes.

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