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Ion transport in gel electrolytes

✍ Scribed by A. Reiche; T. Steurich; B. Sandner; P. Lobitz; G. Fleischer

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
409 KB
Volume
40
Category
Article
ISSN
0013-4686

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✦ Synopsis

Abstract4el

electrolyte films were prepared by a redox initiated copolymerization of oligo(ethylene glycol),, dimethacrylate and acrylonitrile in the presence of oligo(ethylene glycol), , dimethyl ether as a plasticizer and LiCFsSO, The influence of the polar comonomer acrylonitrile on the conductivity and the cationic transference number was investigated. The materials show conductivities between 10V4 and lo-' S cm and transference numbers in the range of 0.5 at room temperature. Pulsed field gradient-NMR (PFG-NMR) measurements were carried out to determine the diffusion coefhcients of the plasticizer by 'H-NMR and of LiCFsSO, by t9F-NMR.

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