DULUARD, Sandrine; PAILLASSA, Aude; PUECH, Laurent; VINATIER, Philippe; TURQ, Viviane; ROZIER, Patrick; LENORMAND, Pascal; TABERNA, P.-L.; SIMON, Patrice; ANSART, Florence

doi:10.1016/j.jeurceramsoc.2012.08.005

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DULUARD, Sandrine
Centre interuniversitaire de recherche et d'ingénierie des matériaux [CIRIMAT]

PAILLASSA, Aude
Centre interuniversitaire de recherche et d'ingénierie des matériaux [CIRIMAT]

PUECH, Laurent
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Journal of the European Ceramic Society. 2013, vol. 33, n° 6, p. 1145-1153

Elsevier

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NaSICON-type lithium conductor Li1.3Al0.3Ti1.7(PO4)3 (LATP) is synthesized with controlled grain size and composition using solution chemistry. After thermal treatment at 850 °C, sub-micronic crystallized powders with high purity are obtained. They are converted into ceramic through Spark Plasma Sintering at 850-1000 °C. By varying the processing parameters, pellet with conductivities up to 1.6 × 10−4 S/cm with density of 97% of the theoretical density have been obtained. XRD, FEG-SEM, ac-impedance and Vickers indentation were used to characterize the products. The influence of sintering parameters on pellet composition, microstructure and conductivity is discussed in addition to the analysis of the mechanical behavior of the grains interfaces.< Leer menos

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Powders-chemical preparation

Sintering

Microstructure

Ionic conductivity

Batteries

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Lithium conducting solid electrolyte Li1.3Al0.3Ti1.7(PO4)3 obtained via solution chemistry

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