The ionic conductivity of the system (LiPO3)1-x -(LiF)x where 0.25 , x , 0.90 mole fraction have been measured using the method of complex impedance. Conductivity measurements were carried out between 100oC and 400oC. The results obtained show a large increase of lithium ion conductivity due to the presence of lithium fluoride. A minimum of the activation energy (Ea = 0.489 eV) appears at x = 75% mole fraction of LiF
ALI AL RIKABI ,
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