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Fabrication of graphene foam supported carbon nanotube/polyaniline hybrids for high-performance supercapacitor applications

Yang, Hongxia, Wang, Nan, Xu, Qun, Chen, Zhimin, Ren, Yumei, Razal, Joselito M. and Chen, Jun 2014, Fabrication of graphene foam supported carbon nanotube/polyaniline hybrids for high-performance supercapacitor applications, 2D materials, vol. 1, no. 3, pp. 1-14, doi: 10.1088/2053-1583/1/3/034002.

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Title Fabrication of graphene foam supported carbon nanotube/polyaniline hybrids for high-performance supercapacitor applications
Author(s) Yang, Hongxia
Wang, Nan
Xu, Qun
Chen, Zhimin
Ren, Yumei
Razal, Joselito M.
Chen, Jun
Journal name 2D materials
Volume number 1
Issue number 3
Start page 1
End page 14
Total pages 14
Publisher Institute of Physics Publishing
Place of publication Bristol, Eng.
Publication date 2014-11-13
ISSN 2053-1583
Keyword(s) Science & Technology
Technology
Materials Science, Multidisciplinary
Materials Science
graphene
polyaniline
carbon nanotube
supercapacitor
hybrid
SOLID-STATE SUPERCAPACITORS
POLYANILINE NANOWIRE ARRAYS
CHEMICAL-VAPOR-DEPOSITION
WHISKER-LIKE POLYANILINE
ELECTROCHEMICAL PROPERTIES
ENERGY-STORAGE
OXIDE SHEETS
HIERARCHICAL NANOCOMPOSITES
FILM ELECTRODES
GRAPHITE OXIDE
Summary A large-scale, high-powered energy storage system is crucial for addressing the energy problem. The development of high-performance materials is a key issue in realizing the grid-scale applications of energy-storage devices. In this work, we describe a simple and scalable method for fabricating hybrids (graphenepyrrole/ carbon nanotube-polyaniline (GPCP)) using graphene foam as the supporting template. Graphene-pyrrole (G-Py) aerogels are prepared via a green hydrothermal route from two-dimensional materials such as graphene sheets, while a carbon nanotube/polyaniline (CNT/PANI) composite dispersion is obtained via the in situ polymerization method. The functional nanohybrid materials of GPCP can be assembled by simply dipping the prepared G-py aerogels into the CNT/PANI dispersion. The morphology of the obtained GPCP is investigated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), which revealed that the CNT/PANI was uniformly deposited onto the surfaces of the graphene. The as-synthesized GPCP maintains its original three-dimensional hierarchical porous architecture, which favors the diffusion of the electrolyte ions into the inner region of the active materials. Such hybrid materials exhibit significant specific capacitance of up to 350 F g-1, making them promising in large-scale energy-storage device applications.
Language eng
DOI 10.1088/2053-1583/1/3/034002
Field of Research 091202 Composite and Hybrid Materials
100708 Nanomaterials
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, IOP Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30076965

Document type: Journal Article
Collection: Institute for Frontier Materials
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