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This work reports the electrochemical supercapacitance capability of a thermally reduced graphite-oxide (TRGO) and iron-oxide (α-Fe<sub>2</sub>O<sub>3</sub>) composite synthesized by using a simple chemical method. The synthesized composite (TRGO+α-Fe<sub>2</sub>O<sub>3</sub>) displayed improved electrochemical prop- erties, such as a large electroactive surface area and a low impedance. The composite showed an electroactive surface area of (0.016 cm<sup>2</sup>), which is almost twice larger than that of α-Fe<sub>2</sub>O<sub>3</sub> (0.008 cm<sup>2</sup>). Furthermore, TRGO+α-Fe<sub>2</sub>O<sub>3</sub> showed the highest capacitance (277.25 Fg<sup>−1</sup>) when calcu- lated from cyclic voltammetry measurements. The improved performance of the TRGO+α-Fe<sub>2</sub>O<sub>3</sub> composite results from the synergistic combination of the high electrical conductively of TRGO and the good electrochemical properties of α-Fe<sub>2</sub>O<sub>3</sub>, which make the synthesized composite an excellent alternative for supercapacitor applications.
목차
I. INTRODUCTION
II. EXPERIMENTAL
III. RESULTS AND DISCUSSION
IV. CONCLUSIONS
REFERENCES
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