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Abstract Phase-pure solid electrolyte Lithium-Lanthanum-Titanate (LLTO) has been prepared by solid-state-synthesis. Thin sheets of LLTO have been successfully prepared via tape casting and subsequent sintering. A tape casting slurry composition… Click to show full abstract
Abstract Phase-pure solid electrolyte Lithium-Lanthanum-Titanate (LLTO) has been prepared by solid-state-synthesis. Thin sheets of LLTO have been successfully prepared via tape casting and subsequent sintering. A tape casting slurry composition has been developed. The influencing parameters in slurry composition are presented. These are dispersant concentration, ratio of binder to plasticizer and total amount of binder and plasticizer. Furthermore it was found that drying conditions significantly influence tape casting results. Sintered tapes were compared to massive reference samples regarding density, phase-purity, microstructure and conductivity. Our results show that sintered tapes and massive samples exhibit comparable properties.
Journal Title: Solid State Ionics
Year Published: 2018
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