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Applied Physics A

, 124:295 | Cite as

Facile polyol synthesis of CoFe2O4 nanosphere clusters and investigation of their electrochemical behavior in different aqueous electrolytes

  • K. Malaie
  • M. R. Ganjali
  • T. Alizadeh
  • P. Norouzi
Article
  • 93 Downloads

Abstract

CoFe2O4 nanosphere clusters (CFNCs) with good crystallinity were synthesized through a facile polyol process without using any surfactant or template. FESEM images show cobalt ferrite clusters with a diameter of 200–400 nm with nanospheres grown on the surface. The electrochemical behavior of the CFNCs was investigated in different electrolytes of KOH, K2SO4, and Na2SO3 in the negative potential window of − 0.3 to − 1.3 V for possible application in supercapacitor electrodes. CFNCs exhibited best performance in KOH electrolyte with a specific capacitance of 151 F g−1 in 5 mV s−1 and a cycling stability of 87% over 1000 voltammetric cycles. These studies indicate the potential application of the as-obtained CFNCs as negative electrodes in alkaline supercapacitors.

Notes

Acknowledgements

The authors would like to thank the University of Tehran for partial funding of the project.

Supplementary material

339_2018_1719_MOESM1_ESM.docx (168 kb)
Supplementary material 1 (DOCX 168 KB)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Center of Excellence in Electrochemistry, School of Chemistry, College of ScienceUniversity of TehranTehranIran
  2. 2.Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences InstituteTehran University of Medical SciencesTehranIran
  3. 3.Department of Analytical Chemistry, School of Chemistry, College of ScienceUniversity of TehranTehranIran

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