Solid State Ionics, Vol.268, 131-134, 2014
Facile solution-based synthesis of spinel Li4Ti5O12 nanosheets and the application in lithium ion Batteries
A simple low-temperature solution-synthesis method is developed for preparing nanostructured Li4Ti5O12. Compared with normal hydrothermal synthesis (temperature > 120 degrees C), this low-temperature (60 degrees C) approach is more suitable for fabricating pure Li4Ti5O12 nanomaterials on a large scale due to its low requirements of reaction conditions and equipments. The as-prepared Li4Ti5O12 nanosheets are characterized by X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy and cyclic voltammetry. Galvanostatic testing results show that the discharging capacity of the sample still remains 148.9mAhg(-1) at 10C rates after 100 cycles, presenting excellent rate performance and cycle stability. (C) 2014 Elsevier B.V. All rights reserved.