Thermal properties and ionic conductivity of Li1,3Ti1,7Al0,3(PO4)3 solid electrolytes sintered by field-assisted sintering

Li 1,3 Ti 0,7 Al 0,3 (PO 4 ) 3 (LATP) powder was obtained by a conventional melt-quenching method and consolidated by field-assisted sintering technology (FAST) at different temperatures. Using this technique, the samples could be sintered to relative densities in the range of 93 to 99 % depending o...

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Bibliographic Details
Published in:Ionics 2016-07, Vol.22 (7), p.1043-1049
Main Authors: Bucharsky, E. C., Schell, K. G., Hupfer, T., Hoffmann, M. J., Rohde, M., Seifert, H. J.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Electrochemistry
Energy Storage
Optical and Electronic Materials
Original Paper
Renewable and Green Energy
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Summary:Li 1,3 Ti 0,7 Al 0,3 (PO 4 ) 3 (LATP) powder was obtained by a conventional melt-quenching method and consolidated by field-assisted sintering technology (FAST) at different temperatures. Using this technique, the samples could be sintered to relative densities in the range of 93 to 99 % depending on the sintering conditions. Ionic and thermal conductivity were measured and the results are discussed under consideration of XRD and SEM analyses. Thermal conductivity values of 2 W/mK and ionic conductivities of 4 × 10 −4  Scm −1 at room temperature were obtained using relatively large particles and a sintering temperature of 1000 °C at an applied uniaxial pressure of 50 MPa.
ISSN:0947-7047
1862-0760
DOI:10.1007/s11581-015-1628-3