• FATIH ERDEMIR

      Articles written in Bulletin of Materials Science

    • Effect of fuel type on pseudocapacitance behaviour of CuO nanoparticles synthesized by solution combustion method

      SÜMRAN BILGIN ÜMIT ALVER FATIH ERDEMIR AYKUT ÇANAKÇI

      More Details Abstract Fulltext PDF

      The copper oxide nanoparticles are obtained, via one-step, rapid, eco-friendly solution combustion synthesis using glycine and urea as fuel, to investigate the influence of fuel type on electrochemical behaviour. The structural characteristics are performed using X-ray diffraction method. The cyclic voltammetry, galvanostatic charge/discharge, electrochemical impedance spectroscopy and cycle stability tests are carried out in 6 M KOH electrolyte using a three electrode system at room temperature. The electrochemical results show that the CuO synthesized using glycine (CuO–G) exhibits superior performance as an electrode in supercapacitor applications. The specific capacitance (16.72 F g$^{-1}$) of the CuO–G electrode is higher than that (0.68 F g$^{-1}$) of CuO synthesized using urea (CuO–U) electrode at a current density of 0.1 A g$^{-1}$. Moreover, CuO–G electrode exhibits higher energy and power density of 0.41 Wh kg$^{-1}$ and 143.5 W kg$^{-1}$ compared to CuO–U electrode of 0.04 Wh kg$^{-1}$ and 141.05 W kg$^{-1}$, respectively. The results demonstrate that the CuO–G nanoparticles possess better electrochemical properties than CuO–U nanoparticles.

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