Abstract

The electrochemical properties of a carbon-coke electrode, fabricated in the form of a thin-film, flexible membrane by a procedure which involves the immobilization of carbon into a poly(vinyl chloride) (PVC) matrix, have been examined. The thermodynamics and the kinetics of the lithium insertion/deinsertion process in these Li x C 6 carbon-coke membrane electrodes have been investigated by voltage-composition and galvanostatic curves, by cyclic voltammetry, and by impedance spectroscopy. The expectation is that the data obtained in this work may serve as a basis for the evaluation of the applicability of the carbon membrane as anode in rocking chair batteries of the most common liquid-electrolyte type and, in prospective, of the polymer-electrolyte type.

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