Preparation of polymer electrolyte for lithium-ion battery

With the final goal of developing lithium ion batteries. having. a plastic configuration, we have characterized a high conducting microporous PVDF plastic electrolyte for lithium ion batteries prepared by using the phase inversion process. Gel polymer electrolyte composed of PVDF-based microporous membrane, LIPF6-EC/DEC show a high ionic conductivity (above 10(-3) S/cm at room temperature), and good mechanical properties (10(2) kg/cm(2)). The half-cells consisting of Li/GPE/MCMB show excellent cycling,characteristics and the stable discharge capacity is 306 mA (.) h/g. At a current density of 1.0 mA h/cm(2) (0.5 C) the cell was shown to retain 79 % of initial capacity after 100 cycles.