One-step Electrochemical Synthesis and Characterization of High Performance Magnetite/reduced Graphene Oxide Nanocomposite
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Nanosized Fe3O4 particles were electrochemically prepared and deposited on reduced graphene oxide (rGO) sheets to prepare a nanocomposite for use in high performance capacitors. This was achieved using an electrophoretic/electrochemical deposition (EPD/ECD) approach for preparing the binder-free Fe3O4/rGO nanocomposite. The products were studies through XRD, IR, FE-SEM, VSM, TEM, and BET techniques. The mechanism of the formation of the nanocomposite through has also been described. The nancomposite further evaluated as an electrode material of use in supercapacitors and GCD tests indicated the composite to be able to deliver a specific capacitance (SC) of 478 F g−1 at 0.25 A g−1. Electrodes based on the material was also found to have a cycle life of 87.4% after 5000 GCD cycles. The results indicated the positive effects as a result of the synergy between Fe3O4 and rGO.
Keywords:
Language:
English
Published:
Analytical & Bioanalytical Electrochemistry, Volume:10 Issue: 4, Apr 2018
Pages:
450 to 464
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