1H, 7Li, and 19F nuclear magnetic resonance and ionic conductivity studies for liquid electrolytes composed of glymes and polyetheneglycol dimethyl ethers of CH3O(CH2CH2O)nCH3 (n = 3 - 50) doped with LiN(SO2CF3)2

Kikuko Hayamizu, Etsuo Akiba, Toshinori Bando, Yuichi Aihara

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

The ionic conductivities, NMR T1 and the D's [i.e., solvent (1H), anion (19F), and lithium ion (7Li)] were measured as functions of temperature for the 14 electrolytes composed of seven solvents. The relationships between the correlation times of the CH2CH2O segmental and the lithium hopping motions, the individual diffusion coefficients, ionic conductivity, ion dissociation, and the interactions between the solvent and the lithium ion were detailed in terms of the dependence on the n. Solvent aggregation effects in the electrolytes were also highlighted.

Original languageEnglish
Pages (from-to)5929-5939
Number of pages11
JournalJournal of Chemical Physics
Volume117
Issue number12
DOIs
Publication statusPublished - Sep 22 2002

Fingerprint

Ionic conductivity
ion currents
Electrolytes
ethers
Lithium
Nuclear magnetic resonance
electrolytes
conductivity
nuclear magnetic resonance
lithium
Liquids
Ions
liquids
ions
Anions
Agglomeration
diffusion coefficient
dissociation
anions
dimethyl ether

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

1H, 7Li, and 19F nuclear magnetic resonance and ionic conductivity studies for liquid electrolytes composed of glymes and polyetheneglycol dimethyl ethers of CH3O(CH2CH2O)nCH3 (n = 3 - 50) doped with LiN(SO2CF3)2. / Hayamizu, Kikuko; Akiba, Etsuo; Bando, Toshinori; Aihara, Yuichi.

In: Journal of Chemical Physics, Vol. 117, No. 12, 22.09.2002, p. 5929-5939.

Research output: Contribution to journalArticle

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