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<p>In this study, MoS₂ and Fe₂O₃ nano-petals and nanospheres and their composites in ratios (7:3), denoted by MF-1, and (1:1), as MF-2, are created using a two-step hydrothermal process. Improved specific capacitance of 335 F g⁻<sup>1</sup> at 1 A g⁻<sup>1</sup> and 93% of capacitance remaining following 8000 test cycles, the MoS<sub>2</sub>/Fe<sub>2</sub>O<sub>3</sub> (7:3) electrode exhibits good reversibility and outstanding cycle stability in contrast to MoS₂/Fe₂O₃ (1:1), along with bare MoS₂ and Fe<sub>2</sub>O<sub>3</sub>. Power density of 599 W kg⁻<sup>1</sup>, MoS₂/Fe<sub>2</sub>O<sub>3</sub>//AC ASC exhibits improved energy density of 24.8 Wh kg⁻<sup>1</sup>; even at high-power density of 3000 W kg⁻<sup>1</sup>, a suitable energy density of 21.6 Wh kg⁻<sup>1</sup> being maintained. MoS₂/ Fe<sub>2</sub>O<sub>3</sub> shows an enhanced specific capacitance of 335 F g⁻<sup>1</sup> at current density of 1 A g⁻<sup>1</sup> because of unique surface properties and synergistic interaction among Mo⁺<sup>4</sup> and Fe⁺<sup>3</sup> ions. Results substantiate the MoS₂/Fe<sub>2</sub>O<sub>3</sub> electrodes’ obvious potential for energy preservation and conversion uses and demonstrate improved supercapacitor behavior when made utilizing an inexpensive, straightforward, and scalable solution.</p>

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Hydrothermal synthesis of composite-based MoS2/Fe2O3 electrode as asymmetric supercapacitor performance

  • 期刊论文

  • 发表日期：

    2026年2月7日

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  • Dost Muhammad,
  • Syed Hatim Shah,
  • Muneerah Alomar,
  • Nisar Ali,
  • Mohammad M. Al-Hinaai,
  • Rayya Ahmad Al Balushi,
  • Thuraya Al-Harthy

摘要

In this study, MoS₂ and Fe₂O₃ nano-petals and nanospheres and their composites in ratios (7:3), denoted by MF-1, and (1:1), as MF-2, are created using a two-step hydrothermal process. Improved specific capacitance of 335 F g⁻1 at 1 A g⁻1 and 93% of capacitance remaining following 8000 test cycles, the MoS2/Fe2O3 (7:3) electrode exhibits good reversibility and outstanding cycle stability in contrast to MoS₂/Fe₂O₃ (1:1), along with bare MoS₂ and Fe2O3. Power density of 599 W kg⁻1, MoS₂/Fe2O3//AC ASC exhibits improved energy density of 24.8 Wh kg⁻1; even at high-power density of 3000 W kg⁻1, a suitable energy density of 21.6 Wh kg⁻1 being maintained. MoS₂/ Fe2O3 shows an enhanced specific capacitance of 335 F g⁻1 at current density of 1 A g⁻1 because of unique surface properties and synergistic interaction among Mo⁺4 and Fe⁺3 ions. Results substantiate the MoS₂/Fe2O3 electrodes’ obvious potential for energy preservation and conversion uses and demonstrate improved supercapacitor behavior when made utilizing an inexpensive, straightforward, and scalable solution.