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A nanocomposite consisting of NiFe2O4 spinel and multi-walled carbon nanotubes was produced according to citrate sol–gel method. Then, it is coated on the electrodeposited gold nanodendrites modified electrode (NiFe2O4–MWCNTs/AuNDs/GCE), and was utilized to electrocatalyze ethanol oxidation. NiFe2O4–MWCNTs/AuNDs/GCE provides higher active surface area and stability compared to AuNDs/GCE, so that it...