Abstract
A facile and green method was used to synthesize Fe2O3/mushroom derived porous carbon (Fe2O3/MPC) nanocomposites with high capacitive properties. The resultant materials were analyzed by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), powder X-ray diffraction (XRD), and Brunauer–Emmett–Teller (BET) measurements. It is shown by the BET surface area measurements that MPC has a high specific surface area and abundant porosity, which are conducive to improve the electrochemical performance. The Fe2O3/MPC nanocomposite exhibits a maximum specific capacitance of 367.39 F g−1 at a current density of 0.5 A g−1 and good capacitance stability over 1500 cycles at a current density of 5 A g−1. These attractive results indicate that the Fe2O3/MPC nanocomposite could be a potential electrode material for supercapacitors.
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