Decoupled ion transport in mesomorphis polymer electrolyte glasses

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A new class of mesomorphic polymer electrolytes (side group liquid crystalline polyethers) is described whose members exhibit significant ionic conductivity in both liquid crystalline and glassy states. It is suggested that the pendent side groups effectively "jacket" the ethylene oxide backbones, and prevent the ethylene oxide units from adopting a close-packed structure during cooling. The resulting open structure and multiplicity of ion sites is probably the origin of the decoupling process which permits ion migration even below T-g. This could be a widespread phenomenon in polymer electrolytes. (C) 2001 Elsevier Science Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)1413-1417
Number of pages4
JournalElectrochimica Acta
Volume46
Issue number10-11
Early online date20 Mar 2001
DOIs
Publication statusPublished - Mar 2001

Keywords

  • decoupled ion transport
  • mesomorphic polymer
  • electrolyte glasses

Cite this

Decoupled ion transport in mesomorphis polymer electrolyte glasses. / Imrie, Corrie T.; Ingram, Malcolm D.

In: Electrochimica Acta, Vol. 46, No. 10-11, 03.2001, p. 1413-1417.

Research output: Contribution to journalArticle

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AB - A new class of mesomorphic polymer electrolytes (side group liquid crystalline polyethers) is described whose members exhibit significant ionic conductivity in both liquid crystalline and glassy states. It is suggested that the pendent side groups effectively "jacket" the ethylene oxide backbones, and prevent the ethylene oxide units from adopting a close-packed structure during cooling. The resulting open structure and multiplicity of ion sites is probably the origin of the decoupling process which permits ion migration even below T-g. This could be a widespread phenomenon in polymer electrolytes. (C) 2001 Elsevier Science Ltd. All rights reserved.

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