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<p>To enhance the sluggish oxygen evolution process (OER), an exceedingly productive, cost-effective and conspicuous electrocatalyst must be developed. A hydrothermal process was used to fabricate MnCr₂O₄/rGO composite which is effective for water splitting. Numerous analytical approaches were utilized to judge functionality, crystalline structure, thermal durability, morphology and surface area of described material. Furthermore, electrochemical analysis for the MnCr₂O₄/rGO composite was performed using nickel foam (NF) as base to assess its electrocatlytic nature. Electrochemical analysis demonstrated that prepared composite exhibits an excellent overpotential (200 mV) and tafel slope value (38 mV dec⁻¹). MnCr₂O₄/rGO nanocomposite has an excellent stability. The electrochemical observations suggested that adding rGO into MnCr₂O₄ directed to an increased surface area lowering resistance and promoting fast electrolyte ion binding. The composite (MnCr₂O₄/rGO) manufactured by this method can be used for a variety of energy storing and conversion purposes.</p>

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Fabrication of Carbon-based spinel oxide (MnCr2O4) nanocomposite to enhance the electrochemical performance of the OER process

  • 期刊论文

  • 发表日期：

    2026年1月20日

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  • Hafsa Aziz,
  • Muhammad Zeshan,
  • Albandari . W. Alrowaily,
  • B. M. Alotaibi,
  • Haifa A. Alyousef,
  • Eman Alzahrani,
  • Hala M. Abo-Dief,
  • Rizwan Ul Hassan

摘要

To enhance the sluggish oxygen evolution process (OER), an exceedingly productive, cost-effective and conspicuous electrocatalyst must be developed. A hydrothermal process was used to fabricate MnCr₂O₄/rGO composite which is effective for water splitting. Numerous analytical approaches were utilized to judge functionality, crystalline structure, thermal durability, morphology and surface area of described material. Furthermore, electrochemical analysis for the MnCr₂O₄/rGO composite was performed using nickel foam (NF) as base to assess its electrocatlytic nature. Electrochemical analysis demonstrated that prepared composite exhibits an excellent overpotential (200 mV) and tafel slope value (38 mV dec⁻¹). MnCr₂O₄/rGO nanocomposite has an excellent stability. The electrochemical observations suggested that adding rGO into MnCr₂O₄ directed to an increased surface area lowering resistance and promoting fast electrolyte ion binding. The composite (MnCr₂O₄/rGO) manufactured by this method can be used for a variety of energy storing and conversion purposes.