Volume 54, Number 3, May 2001
|Page(s)||347 - 353|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 December 2003|
Lithium environment in PEO- polymer electrolyte
Argonne National Laboratory, Argonne, IL 60439, USA
2 Centre de Recherche sur la Matière Divisée, CRMD UMR6619 Université d'Orléans-CNRS - 1bis rue de la Férollerie 45071 Orleans Cedex 2, France
3 Institut Laue Langevin, Grenoble 38041, France
Corresponding author: email@example.com
Accepted: 15 February 2001
The average local structure around cations in a polymer electrolyte, , has been determined by neutron diffraction with isotope substitution. In this environment, the ions are predominantly coordinated by ether oxygens. The intermediate-range order is enhanced relative to the pure polymer by the expansion of the network on the addition of the salt. The excess volume introduced must play a key role in facilitating the lithium ion conduction.
PACS: 61.20.Qg – Structure of associated liquids: electrolytes, molten salts, etc
© EDP Sciences, 2001
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