Structural & Electrical Relaxation Studies of Li0.5CexFe2.5-xO4
Synthesis, Characterization and Electrical Relaxation Studies of Li0.5CexFe2.5-xO4 Ferrite System
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The objective of this book is to provide a detailed study about Lithium based ferrites in point of view of their applications as electrodes in lithium ion batteries. The prepared materials have unique physical and electrical properties. In this work, an attempt has been made to understand the electrical properties in lithium ferrite and lithium ferrite substituted by cerium. The lithium based ferrites was prepared by solution combustion synthesis as well as solid state reaction route. Again the lithium ferrite substituted by cerium were prepared by solution combustion synthesis route. XRD resu...
The objective of this book is to provide a detailed study about Lithium based ferrites in point of view of their applications as electrodes in lithium ion batteries. The prepared materials have unique physical and electrical properties. In this work, an attempt has been made to understand the electrical properties in lithium ferrite and lithium ferrite substituted by cerium. The lithium based ferrites was prepared by solution combustion synthesis as well as solid state reaction route. Again the lithium ferrite substituted by cerium were prepared by solution combustion synthesis route. XRD results showed the confirmation of the crystalline nature of the materials with cubic inverse spinel structure. Finally, density measurements showed that there is an increase in the density with increase of Cerium concentration. The impedance and modulus studies have been carried out and the data were fitted to the Cole-Cole and Bergman functions respectively to analyze the relaxation process. The shape of the imaginary part of the modulus suggests that the relaxation processes in these ferrites are of non-Debye in nature.
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