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Consolidation of Al and Ta-Substituted Li7La3Zr2O12 Powders with Lithium-Ionic Conduction by Spark Plasma Sintering

  • 期刊论文

  • 发表日期：

    2024年12月1日

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  • G. B. Kunshina,
  • I. V. Bocharova,
  • A. A. Belov,
  • O. O. Shichalin,
  • E. K. Papynov

摘要

Abstract

Monophasic powders of the cubic modification and the nominal composition Li6.4Al0.2La3Zr2O12 (Al-LLZO) and Li6.52Al0.08La3Zr1.75Ta0.25O12 (Ta-LLZO) are synthesized. Dense (~97–98%) solid-electrolyte ceramic samples with enhanced stability in air are obtained from these powders using the method of spark plasma sintering. The high Li-ionic conductivity (4–6 × 10–4 S/cm) corresponding to the world level is achieved.