Ionic Conductivity of the Complexes Formed by Poly(Tetramethylene Succinate) and Various Alkali Metal Salts

Abstract

Abstract: The properties and structures of the complexes formed by poly (tetramethylene succinate) and various inorganic alkali metal salts are investigated in the present article. The solubility of a salt in the polyester concerns its lattice energy and melting point. The higher the lattice energy and melting point of a salt, the lower the solubility of the salt in the polymer. The properties and dissolution ability of a salt can affect the conductivity of the electrolyte. The less the size and the more the number of ions, the higher the conductivity. The conductivity of the electrolytes is mainly related with the electric conduction in the amorphous regions of the polymer. The conductive behavior of the complexes could not be described by Arrhenius equation based on the classical theory or WLFequation on free volume theory.

Key words: Polyester, Poly (tetramethylene succinate), Inorganic alkali metal salt, Solid polymeric electrolyte, Ionic conductivity

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Huang Fa-rong, Wang Xue-qiu, Li Shi-jin. Ionic Conductivity of the Complexes Formed by Poly(Tetramethylene Succinate) and Various Alkali Metal Salts[J]. Chem. J. Chinese Universities, 1991, 12(5): 707.

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Ionic Conductivity of the Complexes Formed by Poly(Tetramethylene Succinate) and Various Alkali Metal Salts

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