Synthesis and characterization of (Co, Fe, Ni)9 S8 nanocomposite supported on reduced graphene oxide as an efficient and stable electrocatalyst for methanol electrooxidation toward DMFC

  • Parisa SalarizadehEmail author
  • Mohammad Bagher AskariEmail author
  • Amirkhosro Beheshti-Marnani
  • Majid seifi
  • Seyed Mohammad Rozati
  • Tahereh Rohani
  • Nahid Askari
  • Navvabeh Salarizadeh
  • Sayed Zia Mohammadi


In this study, Co4S3, Fe3S4, and NiS nanoparticles as a nanocomposite in the form of a new composite called (CoFeNi)9 S8 (CFNS) were synthesized by a facile hydrothermal method. Then, graphene oxide supported (CoFeNi)9 S8 nanoparticles (CFNS/rGO) were prepared and methanol oxidation reaction evaluated on CFNS/rGO electrocatalyst. X-ray diffraction and energy dispersive X-ray spectroscopy analysis were used to investigate the structure and phase identification of electrocatalyst. Homogenous dispersion of CFNS nanoparticles on rGO was confirmed by FESEM and HRTEM images. The electrocatalytic activity of CFNS/rGO hybrid was assessed by cyclic voltammetry, linear sweep voltammetry and electrochemical impedance spectroscopy techniques. The CFNS/rGO exhibited high electrocatalytic activity for methanol electrooxidation in alkaline media. The significant activity of CFNS/rGO assigned to synergistic effects between Co, Fe, and Ni, suitable dispersion of CFNS nanoparticles on rGO, high surface area, and porous structure of rGO that comforts the diffusion of methanol. Therefore, the CFNS/rGO catalyst has enough potential for application in the direct methanol fuel cell.



The authors would like to acknowledge the support of the Guilan University and fuel cell research laboratory of the Vali-e-Asr University of Rafsanjan.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Parisa Salarizadeh
    • 1
    Email author
  • Mohammad Bagher Askari
    • 2
    • 6
    Email author
  • Amirkhosro Beheshti-Marnani
    • 3
  • Majid seifi
    • 2
  • Seyed Mohammad Rozati
    • 2
  • Tahereh Rohani
    • 3
  • Nahid Askari
    • 4
  • Navvabeh Salarizadeh
    • 5
  • Sayed Zia Mohammadi
    • 3
  1. 1.High-Temperature Fuel Cell DepartmentVali-e-Asr University of RafsanjanRafsanjanIran
  2. 2.Department of Physics, Faculty of ScienceUniversity of GuilanRashtIran
  3. 3.Department of ChemistryPayame Noor UniversityTehranIran
  4. 4.Research Department of Biotechnology, Institute of Sciences and High Technology and Environmental SciencesGraduate University of Advanced TechnologyKermanIran
  5. 5.Department of Biochemistry and Biophysics, Education, and Research Center of Science and BiotechnologyMalek Ashtar University of TechnologyTehranIran
  6. 6.Department of PhysicsPayame Noor UniversityTehranIran

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