Journal
APPLIED SURFACE SCIENCE
Volume 422, Issue -, Pages 339-347Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.06.046
Keywords
Supercapacitor; 3D graphene; Polyaniline nanowire; beta-MnO2
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Funding
- National Natural Science Foundation of China [21606052]
- Science and Technology Planning Project of Guangdong Province [2014A020216046]
- Science and Technology Project of Maoming [20160022]
- Guangdong Province Rubber/plastic Materials Preparation & Processing Engineering Technology Development Centre [2015B090903083]
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A facile strategy for the fabrication of a nitrogen-doped 3D reduced graphene oxide (N-3D-rGO) macroporous structure is proposed in this paper. The proposed strategy used polystyrene microspheres as the templates and melamine as the nitrogen source. Using beta-MnO2 as the oxidant, the as-prepared N-3D-rGO was then composited with polyaniline (PANI) nanowires (denoted as N-3D-rGO/PANI-B). The structure, morphology, and electrochemical properties of the composites were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, Brunauer-Emmett-Teller analysis, scanning electron microscopy, transmission electron microscopy, cyclic voltammetry, charge-discharge test, and electrochemical impedance spectroscopy. Results revealed that the N-3D-rGO/PANI-B composite has a better specific capacity than the composites prepared with 3D-rGO as the support material and peroxydisulfate as the oxidant. These results suggested that N-3D-rGO/PANI-B has potential applications in supercapacitors. (C) 2017 Elsevier B.V. All rights reserved.
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