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<p>Heteroatom doping is an effective method for modifying the optical, electrical, and magnetic properties of carbon-based energy-storage materials. This research details the synthesis of nitrogen-doped graphene oxide generated from biomass (sugar) by a simple, cost-effective, low-temperature auto-combustion technique. The electron dispersion X-ray study has verified the presence of nitrogen in graphene oxide (GO). The influence of nitrogen doping on electrochemical characteristics is analyzed using cyclic-voltammetry and electrochemical impedance spectroscopy techniques. The analysis performed with a three-electrode half-cell configuration within a potential range of 0–1.0&#xa0;V relative to Ag/AgCl reveals a specific capacitance of 24.56 F/g for the 12.5% N-doped GO nanobud-like electrode at a current density of 0.4 A/g, attaining approximately 92.10% stability over 2000 continuous redox&#xa0;cycles. This performance exceeds that of the pristine GO and 25% N-doped GO electrode materials, underscoring the importance of an appropriate level of nitrogen doping in improving electrochemical characteristics. This may result in the creation of nitrogen-doped biomass-derived electrode materials for high-performance electrochemical energy storage&#xa0;devices.</p>

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Synthesis, characterization, and electrochemical analysis of biomass-derived nitrogen-doped graphene oxide

  • 期刊论文

  • 发表日期：

    2026年6月1日

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  • Gitanjali F. Jadhav,
  • Rushikesh R. Suryawanshi,
  • Suhas S. Mohite,
  • Pratik P. Raut,
  • Rajaram S. Mane

摘要

Heteroatom doping is an effective method for modifying the optical, electrical, and magnetic properties of carbon-based energy-storage materials. This research details the synthesis of nitrogen-doped graphene oxide generated from biomass (sugar) by a simple, cost-effective, low-temperature auto-combustion technique. The electron dispersion X-ray study has verified the presence of nitrogen in graphene oxide (GO). The influence of nitrogen doping on electrochemical characteristics is analyzed using cyclic-voltammetry and electrochemical impedance spectroscopy techniques. The analysis performed with a three-electrode half-cell configuration within a potential range of 0–1.0 V relative to Ag/AgCl reveals a specific capacitance of 24.56 F/g for the 12.5% N-doped GO nanobud-like electrode at a current density of 0.4 A/g, attaining approximately 92.10% stability over 2000 continuous redox cycles. This performance exceeds that of the pristine GO and 25% N-doped GO electrode materials, underscoring the importance of an appropriate level of nitrogen doping in improving electrochemical characteristics. This may result in the creation of nitrogen-doped biomass-derived electrode materials for high-performance electrochemical energy storage devices.