Journal of Physical Chemistry & Biophysics
Open Access

High capacity and fast charge-discharge LTO nanoflakes/TiO2 nanotubes composite anode material for lithium ion battery

5^th International Conference on Theoretical and Applied Physics

July 02-03, 2018 | Vienna, Austria

Jang Myoun Ko and Chris Yeajoon Bon

Hanbat National University, South Korea

Posters & Accepted Abstracts: J Phys Chem Biophys

Abstract :

Lithium titanate (LTO) nanoflakes and titania (TiO2) nanotubes were synthesized and mechanically mixed to form a composite anode material with high specific capacitance, fast charge-discharge capability, and long cycle life for lithium ion battery. The special chemical and electrochemical characteristics of the nanostructured materials have a synergistic effect which enables the superior electrochemical performance of this material. To analyze the morphological and chemical characteristics of the composite, we have conducted scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and Brunauer�Emmett�Teller method. To investigate the electrochemical properties of this material, various tests have been conducted including galvanostatic charge-discharge, cyclic voltammetry, and impedance spectroscopy. The charge-discharge tests show that the composite LTO/TiO2 nanostructured material has increased specific capacitance and cycling performance up to 5 C, which means higher energy and power density for various energy storage applications including automotive use.

Biography :

Jang Myoun Ko is from Hanbat National University, South Korea.

E-mail: jmko@hanbat.ac.kr