Jayaprakash, N. and Kalaiselvi, N. (2008) Structural and electrochemical investigation of Li2MgSnO4 anode for lithium batteries. Electrochemistry Communications, 10 (6). pp. 891-894.

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Abstract

Hexagonal Li2MgSnO4 compound was synthesized at 800 C using Urea Assisted Combustion (UAC) method and the same has been exploited as an anode material for lithium battery applications. Structural investigations through X-ray diffraction, Fourier Transform Infra Red spectroscopy and 7Li NMR (Nuclear Magnetic Resonance spectroscopy) studies demonstrated the existence of hexagonal crystallite structure with a = 6.10 and c = 9.75. An average crystallite size of 400 nm has been calculated from PXRD pattern, which was further evidenced by SEM images. An initial discharge capacity of �794 mA h/g has been delivered by Li2MgSnO4 anode with an excellent capacity retention (85%) and an enhanced coulombic efficiency (97–99%). Further, the Li2MgSnO4 anode material has exhibited a steady state reversible capacity of �590 mA h/g even after 30 cycles, thus qualifying the same for use in futuristic lithium battery applications.

Item Type:	Article
Uncontrolled Keywords:	Li2MgSnO4 anode; MAS 7Li NMR; Hexagonal; Urea assisted combustion method; Lithium-ion battery
Subjects:	Lithium batteries Electrochemical Power Sources
Divisions:	UNSPECIFIED
Depositing User:	ttbdu cecri
Date Deposited:	16 Jan 2012 16:17
Last Modified:	16 Jan 2012 16:17
URI:	http://cecri.csircentral.net/id/eprint/92

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