Abstract
LATP ceramic electrolytes have been prepared by sintering combinations of LATP powder and CeO2 nano-powder. The phase formation of LiTi2(PO4)3 (LTP) and the secondary phase formation of the fine CePO4 particles scattered in LATP ceramics were confirmed by powder X-ray diffraction. The morphology of ceramic sample was studied using scanning electron microscopy. The elemental distribution was investigated using energy-dispersive X-ray spectroscopy. The CeO2 addition improves the electrical conductivity. CeO2 nano-powder added LATP ceramics with 3 wt% CeO2 sintered at 800 °C for 1 h have a high ionic conductivity of 0.56 mS.cm−1 at room temperature with an activation energy of 0.15 eV.
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