Synthesis of Graphene-CeO2 Nanocomposite with Enhanced Electrochemical Properties

Year : 2026 | Volume : 14 | Special Issue 01 | Page : 1355 1373
    By

    Anil Kumar,

  • Swati,

  • Kusum,

  1. Associate Professor, Department of Applied Science, Bharati Vidyapeeth’s College of Engineering, New Delhi, India
  2. Assistant Professor, Department of Chemistry, Baba Mast Nath University, Asthal Bohar, Rohtak, Haryana, India
  3. Research Scholar, Department of Chemistry, Baba Mast Nath University, Asthal Bohar, Rohtak, Haryana, India

Abstract

For the fabrication of graphene–cerium oxide (CeO₂G) composites, 99 mg of cerium oxide (CeO₂, 99.9%) was uniformly dispersed in 100 mL of deionized water via ultra-sonication (40 kHz) to achieve a stable suspension, followed by the incorporation of 1 mg of synthesized graphene. The resulting mixture was maintained at ambient temperature (25 ± 2 °C) under continuous magnetic stirring at 500 rpm for 2 h to promote effective interfacial interaction between CeO₂ nanoparticles and graphene sheets. The final product, denoted as CeO₂G1, was collected and dried under vacuum at 60 °C for 24 h. Using the same procedure, additional CeO₂G composites containing 3 mg and 5 mg of graphene with 97 mg and 95 mg of CeO₂ were synthesized and labeled as CeO₂G3 and CeO₂G5, respectively. The as-prepared composites were systematically characterized to investigate the influence of graphene content on their structural, morphological, and electrochemical properties. Structural analysis confirmed the successful incorporation of graphene without disturbing the crystalline phase of CeO₂, while morphological studies revealed improved dispersion of CeO₂ nanoparticles on graphene sheets with increasing graphene concentration. The presence of graphene significantly enhanced the electrical conductivity and interfacial charge transport within the composites. Electrochemical investigations demonstrated that graphene incorporation led to improved specific capacitance, reduced charge-transfer resistance, and enhanced cycling stability compared to pristine CeO₂. Among the synthesized materials, CeO₂G5 exhibited superior electrochemical performance due to the synergistic interaction between highly conductive graphene networks and redox-active CeO₂. These findings highlight the potential of graphene–CeO₂ composites as promising electrode materials for advanced energy storage and electrochemical applications.

Keywords: Graphene, CeO2, Nanocomposites, XRD, FTIR analysis, Photo catalysis, Laser Raman Spectral Analysis.

[This article belongs to Special Issue under section in Journal of Polymer & Composites (jopc)]

How to cite this article:
Anil Kumar, Swati, Kusum. Synthesis of Graphene-CeO2 Nanocomposite with Enhanced Electrochemical Properties. Journal of Polymer & Composites. 2026; 14(01):1355-1373.
How to cite this URL:
Anil Kumar, Swati, Kusum. Synthesis of Graphene-CeO2 Nanocomposite with Enhanced Electrochemical Properties. Journal of Polymer & Composites. 2026; 14(01):1355-1373. Available from: https://journals.stmjournals.com/jopc/article=2026/view=238545


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Special Issue Subscription Review Article
Volume 14
Special Issue 01
Received 31/01/2026
Accepted 21/02/2026
Published 05/03/2026
Publication Time 33 Days
49

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