Characterisation of Li2SnO3 by solution evaporation method using nitric acid as chelating agent

Majid, Siti Rohana and Arof, Abdul Kariem and Teo, L.P. and Buraidah, M.H. and Alias, N.A. and Kufian, M.Z. (2011) Characterisation of Li2SnO3 by solution evaporation method using nitric acid as chelating agent. Materials Research Innovations, 15. pp. 127-131. ISSN 1432-8917, DOI

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Lithium stannate (Li2SnO3) was prepared by solution evaporation method utilising acetates of tin and lithium as starting materials. From thermogravimetric analysis, no weight loss was observed at temperatures above 800 degrees C. The Li2SnO3 precursor was then sintered at 800 degrees C for 5, 6, 7, 8 and 9 h, respectively. X-ray diffraction confirmed the sample to be Li2SnO3 with a monoclinic cell structure. The lattice parameters, volume and density of Li2SnO3 at different sintering hours were calculated. Sintering the precursor at 800 degrees C for 9 h produced Li2SnO3 with lattice parameters a=5.302 angstrom, b=9.167 angstrom and c=10.032 angstrom, volume of 479.922 angstrom(3) and density of 4.999 g cm(-3). The product was used as anode active material in the fabrication of a lithium half cell. The Li2SnO3//1M LiPF6/ethylene carbonate/diethyl carbonate (v/v=1 : 2)//Li cell exhibited an initial discharge capacity of 363.1 mA h g(-1).

Item Type: Article
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: lithium stannate; anode; solution evaporation method; x-ray diffraction; lattice parameters; charge-discharge characteristics; lithium-ion batteries; electrochemical properties; rechargeable batteries; anode material; li4ti5o12; electrode; property; behavior; li2zro3; li2mno3
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 17 Jul 2013 03:24
Last Modified: 27 Aug 2019 01:11

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