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<p>A method for producing double zirconium and sodium phosphate of the composition NaZr<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>, related to the <i>NASICON</i> family with the general formula Na<sub>1 +</sub> <sub><i>x</i></sub>Zr<sub>2</sub>Si<sub><i>x</i></sub>P<sub>3</sub>–<i>x</i>O<sub>12</sub>, where <i>x</i> = 0, is proposed. The method of pyrolysis of a solution containing a mixture of organic components in a rosin melt is used. Optimum conditions for the synthesis of a low-dimensional compound are determined. Various variants of precursor compositions are considered. It is established that adding small amounts of a Si-containing component to the precursor makes it possible to obtain the purest NaZr<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> composition at a calcination temperature of 1000–1200°C. The studies expand the list of methods for synthesizing <i>NASICON</i> materials.</p>

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Production of Double Sodium Zirconium Phosphate with NASICON Structure by Solution Pyrolysis in Melt

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • D. N. Grishchenko,
  • V. G. Kuryaviy,
  • M. A. Medkov

摘要

A method for producing double zirconium and sodium phosphate of the composition NaZr2(PO4)3, related to the NASICON family with the general formula Na1 + xZr2SixP3–xO12, where x = 0, is proposed. The method of pyrolysis of a solution containing a mixture of organic components in a rosin melt is used. Optimum conditions for the synthesis of a low-dimensional compound are determined. Various variants of precursor compositions are considered. It is established that adding small amounts of a Si-containing component to the precursor makes it possible to obtain the purest NaZr2(PO4)3 composition at a calcination temperature of 1000–1200°C. The studies expand the list of methods for synthesizing NASICON materials.