Physics – Condensed Matter – Materials Science
Scientific paper
2004-04-05
Physics
Condensed Matter
Materials Science
15 pages
Scientific paper
Electrostatic energy (Madelung energy) is a major constituent of the cohesive energy of ionic crystals. Several physicochemical properties of these materials depend on the response of their electrostatic energy to a variety of applied thermal, electrical and mechanical stresses. In the present study, a method has been developed based on Ewalds technique, to compute the electrostatic energy arising from ion-ion interactions in ionic crystals like LixMn2O4 with variable stoichiometries and mixed valencies. An interesting application of this method in computing the voltages of lithium ion batteries employing spinel cathodes is presented for the first time. The advantages of the present method of computation over existing methods are also discussed.
Emmanuel Bosco
Ragavendran K.
Vasudevan Dinkar
Veluchamy A.
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