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Abstract <p>The results of the structure and phase composition study of the Si@O@Al nanocomposite electrode material, using transmission electron microscopy, X-ray diffraction, and Raman spectroscopy are presented. It is shown that the main phases forming the composite are a-Si(Al) and nc-Si(Al) solid solutions, and their ratios are determined. The proportion of the nc-Si(Al) crystalline phase is estimated as 43%, the nc-Si(Al) crystallite sizes range from 0.8 to 3.5 nm, ensuring high stability of Si@O@Al during lithiation.</p>

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Crystal Structure and Phase Composition of the Electrode Composite Material Si@O@Al

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. S. Rudy,
  • E. A. Kozlov,
  • S. V. Kurbatov,
  • N. Yu. Yurchenko

摘要

Abstract

The results of the structure and phase composition study of the Si@O@Al nanocomposite electrode material, using transmission electron microscopy, X-ray diffraction, and Raman spectroscopy are presented. It is shown that the main phases forming the composite are a-Si(Al) and nc-Si(Al) solid solutions, and their ratios are determined. The proportion of the nc-Si(Al) crystalline phase is estimated as 43%, the nc-Si(Al) crystallite sizes range from 0.8 to 3.5 nm, ensuring high stability of Si@O@Al during lithiation.