Silicon doping of LATP via molten flux method
Baltash Y. Mashekova A. Yegamkulov M. Trussov I. Bakenov Z. Mukanova A.
July 2023Springer Science and Business Media Deutschland GmbH
Ionics
2023#29Issue 72647 - 2655 pp.
Among many kinds of electrolytes, Li1.3Al0.3Ti1.7(PO4)3 (LATP) ceramic electrolyte has a few focal points such as relatively low price, excellent resistance to air and moisture, high ionic conductivity, and environmental safety. Besides, LATP has a disadvantage in that it exposes batteries to degradation due to the interfacial layer formed after it touches metallic lithium because of the titanium reduction reaction. Herein, we report our results on the strategy of anion doping in LATP structures by Si (LATSP). The LATSP samples with various Si content were synthesized by a simple molten flux method at 800 °C with a pure phase. The structure, morphology, and ion-transport properties were analyzed. It was demonstrated that increasing Si doping content has significant positive effects on electrolyte conductivity.
Doping , LATP , LATSP , Li-ion batteries , Silicon , Solid electrolyte
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Institute of Batteries LLP, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Department of Chemical and Materials Engineering School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
National Laboratory Astana, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Institute of Batteries LLP
Department of Chemical and Materials Engineering School of Engineering and Digital Sciences
National Laboratory Astana
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