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Characterisation of Lithium Aluminium Titanium Phosphate as Solid Electrolytes Synthesized by Mechanical Milling Method

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Abstract:

Lithium aluminium titanium phosphate (LATP) with different stoichiometric ratios according to the formula Li1+xAlxTi2-x(PO4)3 with x = 0, 0.2, 0.4, 0.5 and 0.8 are prepared by mechanical milling method. The structural and electrical properties of the prepared samples are investigated by X-Ray Diffraction (XRD), Differential Scanning Calorimetry (DSC) and A.C Impedance Spectroscopy (IS). The XRD results showed that the sample milled for 60 hours has very low crystallinity with conductivity value of ˜10-7 S cm-1. The conductivity is enhanced by one order of magnitude upon sintering of the samples at 900 °C for 6 hours. This enhancement may be attributed to formation of improved grain homogeneity and contacts.

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Periodical:

Advanced Materials Research (Volume 545)

Pages:

190-194

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.545.190

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Online since:

July 2012

Authors:

Hashlina Rusdi, Abd Rahman Azilah, Ri Hanum Yahaya Subban, Nor Sabirin Mohamed

Keywords:

Conductivity, DSC, Impedance Spectroscopy, Nasicon, X-Ray Diffraction (XRD)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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