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Abstract <p>Through a comprehensive characterization approach, this NaTi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>/AC nanocomposites study meticulously analyzes the crystal structure, morphology, elemental composition, and electrochemical behavior of these nanocomposites to unlock their potential for energy storage. XRD analysis confirms the successful formation of the composite, revealing distinct peaks characteristic of non-layered activated carbon and crystalline NaTi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>. While the Electrochemical characterization shows that the nanocomposite demonstrates excellent rate capability, retaining 90% of its capacitance even after 3500 cycles, while delivering a high energy density of 89&#xa0;W h kg<sup>–1</sup> at a remarkable power density of 231 W kg<sup>–1</sup>. Density functional theory (DFT) analysis indicates that the NaTi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> is a promising candidate for energy storage application due to its combined mechanical stability and good electronic conductivity, attributed to Ti 3<i>d</i> orbitals near the Fermi level. These exceptional combined properties position this novel material as a strong candidate for next-generation energy storage applications.</p>

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Comprehensive Investigation of High-Performance Green-Synthesized NaTi2(PO4)3 Nanocomposites for Advanced Electrochemical Energy Storage Applications

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • Edwin U. Onoh,
  • Peredy Khwesa,
  • Imosobomeh L. Ikhioya,
  • Chawki Awada,
  • Adil Alshoaibi,
  • Assumpta C. Nwanya,
  • Fabian I. Ezema

摘要

Abstract

Through a comprehensive characterization approach, this NaTi2(PO4)3/AC nanocomposites study meticulously analyzes the crystal structure, morphology, elemental composition, and electrochemical behavior of these nanocomposites to unlock their potential for energy storage. XRD analysis confirms the successful formation of the composite, revealing distinct peaks characteristic of non-layered activated carbon and crystalline NaTi2(PO4)3. While the Electrochemical characterization shows that the nanocomposite demonstrates excellent rate capability, retaining 90% of its capacitance even after 3500 cycles, while delivering a high energy density of 89 W h kg–1 at a remarkable power density of 231 W kg–1. Density functional theory (DFT) analysis indicates that the NaTi2(PO4)3 is a promising candidate for energy storage application due to its combined mechanical stability and good electronic conductivity, attributed to Ti 3d orbitals near the Fermi level. These exceptional combined properties position this novel material as a strong candidate for next-generation energy storage applications.