Effect Temperature for improving the Li-ion conductivity of Li7La3Zr2O12

Authors

  • Agnes Lakshmanan Department of Physics, Manonmaniam Sundaranar University, Tirunelveli-627012, Tamil Nadu, India Author
  • Sabarinathan Venkatachalam Department of Physics, Manonmaniam Sundaranar University, Tirunelveli-627012, Tamil Nadu, India Author https://orcid.org/0000-0003-0249-043X

DOI:

https://doi.org/10.54392/irjmt2417

Keywords:

LLZO, Garnet type-electrolytes, Ionic conductivity, Solid device

Abstract

This study investigates the dissociation behavior of water-soluble salts of Li and La and the unique behavior of Zr sources, resulting in the generation of Li+, La3+, and Zr4+ ions in aqueous solutions. The specific conductivity of calcined SG1 and SG2 displays temperature-dependent variations, with SG1 consistently exhibiting higher conductivity (2.08 x 10-4 S/cm) across the temperature range. The closed-packed structure facilitates the controllable mass transfer of lithium, enhancing ionic conductivity. The constructed LiFePO4/LLZO/AC device using these electrolytes demonstrates an impressive energy density of 1.95 Wh/kg and a power density of 144.92 W/kg, showcasing an excellent solid electrode-electrolyte interphase. Over 10,000 cycles, cyclic stability, with an average performance of 86%, underscores the potential of LLZO as a solid electrolyte for advanced energy storage devices. The sol-gel synthesis and densification strategy is a simple and effective method for obtaining lithium-rich LLZO electrolytes. The enhanced ionic conductivity and electrochemical performance of the solid-state device emphasize the practical viability of this approach, contributing to the sustainable development of advanced energy storage technologies.

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Published

2024-01-26

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Vol. 6 No. 1 (2024): Volume 6, Issue 1, Year 2024

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Copyright (c) 2024 Agnes Lakshmanan, Sabarinathan Venkatachalam (Author)

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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Lakshmanan, A. and Venkatachalam, S. (2024) “Effect Temperature for improving the Li-ion conductivity of Li7La3Zr2O12”, International Research Journal of Multidisciplinary Technovation, 6(1), pp. 82–96. doi:10.54392/irjmt2417.
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