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

机译:通过溶液化学获得的锂导电固体电解质Li1.3Al0.3Ti1.7(PO4)3

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摘要

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.
机译:NaSICON型锂导体Li1.3Al0.3Ti1.7(PO4)3(LATP)使用溶液化学方法以受控的晶粒尺寸和成分合成。在850℃下热处理后,得到具有高纯度的亚微晶化粉末。它们通过在850–1000 C的火花等离子体烧结转化为陶瓷。通过改变加工参数,可获得电导率高达1.6 * 10-4 S / cm的颗粒,其密度为理论密度的97%。 XRD,FEG-SEM,交流阻抗和维氏压痕被用来表征产品。除了分析晶粒界面的力学行为外,还讨论了烧结参数对丸粒组成,微结构和电导率的影响。

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