Kinetic analysis of the thermal decomposition of Li4Ti5O12 pellets

Abstract

A single dynamic kinetic analysis, describing the surface decomposition of Li4Ti5O12 pellets, has been performed. Samples were analyzed by X-ray diffraction and scanning electron microscopy. The analyses were performed between 1000 and 1100?C and different times, perceiving the Li4Ti5O12 decomposition to Li2Ti3O7 , with a loss of lithium. As expected, more rapid decomposition behaviour was found at higher temperatures. Finally, the activation energy for this decomposition of Li4Ti5O12 to Li2Ti3O7 was estimated to be equal to 383 kJ/mol.nema