Instituto de Física de São Carlos, Universidade de São Paulo, Caixa Postal 369, CEP: 13560-970, São Carlos-SP, Brazil; Instituto de Química de Araraquara-UNESP, Av. Prof. Francisco Degni s/n, CEP: 14800−900, Araraquara-SP, Brazil; Laboratoire de Chimie Structurale Organique, UPRESA CNRS 8074, Université Paris-Sud, 91405 Orsay, France; Institut für Neue Materialien-Department of Coating Technology, Im Stadtwald, Gebäude 43, D-66123, Saarbrücken, Germany
Macromolecules, 2000, 33 (4), pp 1280–1288
DOI: 10.1021/ma991624w
Section:Abstract
Hybrid organic−inorganic ionic conductors, also called ormolytes, were obtained by dissolution of LiClO4 into silica/poly(ethylene glycol) matrices.
on the dynamic behavior of the ionic species (7Li) and the polymer chains (1H and 13C). The NMR results between −100 and +90 °C show a strong correlation with ionic conductivity and differential scanning calorimetry experiments. The results also demonstrate that the cation mobility is assisted by segmental motion of the polymer, which is in agreement with the results previously reported for pure poly(ethylene oxide), PEO, electrolytes.
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