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<p>Researchers have created high-performance renewable energy systems to overcome the rapid exhaustion of fossil fuels and the rising electricity demand. Supercapacitors represent the most capable energy storage technology owing to their substantial storage capacity and elevated power density. A g-CN@SrMnO<sub>3</sub> (g-CN@SMO) nanocomposite was manufactured utilizing a hydrothermal method. Perovskite oxide and two-dimensional graphitic carbon nitride were combined to enhance the surface area and conductivity. To analyze the material structural, morphological, and surficial characteristics were assessed by diverse assessments like X-ray diffraction and SEM. Electrochemical evaluations demonstrate that g-CN@SMO has an exceptional capacitance of 808 F/g, a remarkable specific energy of 32 Wh/kg&#xa0;and a specific power of 267 W/kg, and stability. The improved characteristics stem from the synergetic effects of SMO and g-CN collaboratively diminishing resistance and expediting ion transport. According to these findings, the g-CN@SMO nanocomposite may prove to be the optimal, most economical, and sustainable option for electrochemical energy storage systems.</p>

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Electrochemical performance of perovskite-based g-CN composite for supercapacitor energy storage systems

  • 期刊论文

  • 发表日期：

    2026年6月21日

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  • Hafiza Nabeela Gul,
  • B. M. Alotaibi,
  • Albandari W. Alrowaily,
  • Haifa A. Alyousef,
  • Ali El-Rayyes,
  • Hussain Sawwan,
  • Abhinav Kumar,
  • Rizwan Ul Hassan,
  • Waqas Ul Arifeen,
  • M. Saleem

摘要

Researchers have created high-performance renewable energy systems to overcome the rapid exhaustion of fossil fuels and the rising electricity demand. Supercapacitors represent the most capable energy storage technology owing to their substantial storage capacity and elevated power density. A g-CN@SrMnO3 (g-CN@SMO) nanocomposite was manufactured utilizing a hydrothermal method. Perovskite oxide and two-dimensional graphitic carbon nitride were combined to enhance the surface area and conductivity. To analyze the material structural, morphological, and surficial characteristics were assessed by diverse assessments like X-ray diffraction and SEM. Electrochemical evaluations demonstrate that g-CN@SMO has an exceptional capacitance of 808 F/g, a remarkable specific energy of 32 Wh/kg and a specific power of 267 W/kg, and stability. The improved characteristics stem from the synergetic effects of SMO and g-CN collaboratively diminishing resistance and expediting ion transport. According to these findings, the g-CN@SMO nanocomposite may prove to be the optimal, most economical, and sustainable option for electrochemical energy storage systems.