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Enhancement of electrochemical properties of porous rGO by controlled growth CoFe2O4 nanoparticles

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Abstract

A study area in supercapacitor research is the design and manufacturing of composite electrode materials that combine the advantages of various materials. The rGO/CoFe2O4 composite material is produced by growing cobalt ferrite particles on the surface of rGO using a simple and highly efficient thermal reduction technique. The results show that the electrochemical properties of rGO are significantly improved by the incorporation of cobalt ferrite. rGO sheets are used as supporting frameworks for the CoFe2O4 nanoparticles, while the CoFe2O4 particles provide more active sites for redox reactions. The prepared rGO/CoFe2O4 show excellent electrochemical properties, with a high specific capacitance of 283 F/g at a current density of 0.1 A/g and a specific capacitance retention of 90.5% after 1000 cycles. The attractive performances exhibited by rGO/CoFe2O4 composites make them potential electrode materials for supercapacitors in future.

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Acknowledgements

The financial support of Science and Technology Development Project (number:788/2021) is gratefully acknowledged.

Funding

This work was supported by  Science and Technology Development Project (Grant no.: 788/2021)

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Authors and Affiliations

  1. Institute of Chemistry and Materials, Nghia Do, Cau Giay, Hanoi, 100000, Vietnam

    Hoanh Van Ngo, Hung Tran Nguyen, Hieu Trung Le, Thanh Huu Le, Thien Tri Vu & Kien Trung Pham

  2. Department of Education, Nghia Do, Cau Giay, Hanoi, 100000, Vietnam

    Thinh Xuan Phung

Authors
  1. Hoanh Van Ngo
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  2. Hung Tran Nguyen
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  3. Hieu Trung Le
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  4. Thanh Huu Le
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  5. Thien Tri Vu
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  6. Kien Trung Pham
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  7. Thinh Xuan Phung
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Contributions

HVN contributed to material preparation, data interpretation, analysis, and writing and original draft preparation; HTL contributed to data analyzing and writing, reviewing, and editing of the manuscript; THL, TTV, and KTP contributed to discussion and data curation; HTN and TXP contributed to reviewing and editing of the manuscript and supervision. All authors have read and approved the final manuscript.

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Correspondence to Thinh Xuan Phung.

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Van Ngo, H., Nguyen, H.T., Le, H.T. et al. Enhancement of electrochemical properties of porous rGO by controlled growth CoFe2O4 nanoparticles. J Mater Sci: Mater Electron 34, 1707 (2023). https://doi.org/10.1007/s10854-023-11071-9

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  • DOI: https://doi.org/10.1007/s10854-023-11071-9

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