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Type: Artigo de periódico
Title: 13c Nmr And Conductivity Measurements Of Ethylene Oxide-epychloridrine Copolymer Doped With Lic1o4
Author: Wolfenson A.E.
Torresi R.M.
Bonagamba T.J.
De Paoli M.-A.
Panepucci H.
Abstract: The ethylene oxide-epychloridrine copolymer has interesting properties as an ionic conducting polymer, principally due to its low glass transition temperature (Tg = -40°C). The effect of dopant concentration (LiClO4) was studied by 13C NMR spectra and conductivity measurements. These studies allowed us to identify the different carbon atoms in the copolymer and their interaction with lithium cations and solvent molecules. The analysis of 13C spectra and conductivity measurements show that the solvent participates of the solid electrolyte, modifying the charge transport process by the change in the diffusion coefficient.
Rights: fechado
Identifier DOI: 
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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