Synthesis and characterization of LATP solid electrolyte by solution method
Turlybay G. Nurgaziyeva E. Issayeva D. Mentbayeva A. Bakenov Z. Kalybekkyzy S.
25 December 2023al-Farabi Kazakh State National University
International Journal of Biology and Chemistry
2023#16Issue 2123 - 128 pp.
Recently, considerable attention has been paid to the study of solid electrolytes in lithium-ion batteries. Ion conductive ceramic material NASICON-type Li1 +xAl xTi2 -x(PO4)3 (LATP) is a promising solid electrolyte for lithium-ion batteries due to its stability in air. In this work successfully produced pure solid electrolyte LATP powders with a rhombohedral NASICON-type structure. Here we report the results of LATP synthesis using the solution method. Pellets of dense electrolyte were made at 900 °C. It has been found that the ionic conductivity of LATP is largely influenced by the preparation method. Pure LATP was obtained with the grain size of 100-700 nm. These findings demonstrate the efficacy of the solution method in producing pure LATP. The resultant LATP has an activation energy of 0.465 eV and a total lithium-ion conductivity of 5.8×10-5 S cm-1 at ambient temperature. Its typical particle size is between 100 and 700 nm, and its relative density is 89.5 percent.
ionic conductivity , LATP , NASICON type , SEM , solid electrolytes , X-ray diffraction
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National Laboratory Astana, Astana, Kazakhstan
School of Engineering and Digital Sciences, Nazarbayev University, Astana, Kazakhstan
School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
National Laboratory Astana
School of Engineering and Digital Sciences
School of Sciences and Humanities
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