A new NASICON-type polyanion, LixNi2(MoO4)3 as 3-V class positive electrode material for rechargeable lithium batteries

BEGAM, K (2004) A new NASICON-type polyanion, LixNi2(MoO4)3 as 3-V class positive electrode material for rechargeable lithium batteries. Solid State Ionics, 172 (1-4). pp. 47-52. ISSN 01672738

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Official URL: http://dx.doi.org/10.1016/j.ssi.2004.01.037

Abstract

This paper presents our success in synthesizing a new framework type LixNi2(MoO4)(3) (0 less than or equal to x less than or equal to 4) polyanion compound by adopting a novel aqueous soft-combustion process. The annealed powders exhibited a single-phase structure as confirmed by X-ray diffraction (XRD) and were characterized by electrochemical techniques in order to elucidate the suitability of this new material as positive electrode material in rechargeable lithium-containing batteries. The morphology of the heated product was found to be composed of soft agglomerates embedded by submicrometre spherical grains. The electrode-active character of the new material was examined in a two-electrode configuration employing a Li+ non-aqueous electrolyte environment. Slow scan cyclic voltammetry (SSCV) revealed the redox property of the material between the voltage window 3.5 and 1.5 V Galvanostatic tests exhibited a well discernible discharge-charge profile with a reversible capacity of 170 mA h/g over the potential window of 3.5-1.5 V (C) 2004 Elsevier B.V. All rights reserved.

Item Type: Article
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 19 Aug 2011 05:05
Last Modified: 19 Aug 2011 05:05
URI: http://shdl.mmu.edu.my/id/eprint/2455

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