Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Transport Properties of Nanostructured Li2TiO3 Anode Material Synthesized by Hydrothermal Method

Version 1 : Received: 25 June 2019 / Approved: 4 July 2019 / Online: 10 July 2019 (00:00:00 CEST)

A peer-reviewed article of this Preprint also exists.

Lakshmi-Narayana, A.; Hussain, O.M.; Mauger, A.; Julien, C. Transport Properties of Nanostructured Li2TiO3 Anode Material Synthesized by Hydrothermal Method. Sci 2019, 1, 56. Lakshmi-Narayana, A.; Hussain, O.M.; Mauger, A.; Julien, C. Transport Properties of Nanostructured Li2TiO3 Anode Material Synthesized by Hydrothermal Method. Sci 2019, 1, 56.

Journal reference: Sci 2019, 1, 56
DOI: 10.3390/sci1030056

Abstract

Li2TiO3 nanopowders were synthesized by hydrothermal process using anatase TiO2 and LiOH H2O as raw materials. Li2TiO3 crystallizes in the layered monoclinic structure (space group C2/c) with average crystallite size of 34 nm. Morphology, elemental composition and local structure of products were carried out using HRTEM, FESEM, EDS, Raman and FTIR spectroscopy. Transport properties investigated by d.c. (4-probe measurements) and a.c. (complex impedance spectroscopy) show the activation energy of 0.71 and 0.65 eV, respectively. The ionic transport properties of Li+ ions in nanocrystalline Li2TiO3 characterized by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) validate the good electrochemical properties of this anode material for lithium-ion batteries.

Subject Areas

hydrothermal reaction; nanoparticles; Li<sub>2</sub>TiO<sub>3</sub>; anode; ionic transport; lithium batteries

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