Preparation of graphene nanowalls on nickel foam as supercapacitor electrodes
- Author(s): Haitao Zhou 1 ; Dabo Liu 1 ; Fei Luo 1 ; Bingwei Luo 1 ; Ye Tian 1 ; Dongsheng Chen 1 ; Chengmin Shen 2
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View affiliations
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Affiliations:
1:
Beijing Institute of Aeronautical Materials, Aero Engine Corporation of China , Beijing 100095 , People's Republic of China ;
2: Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences , Beijing 100190 , People's Republic of China
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Affiliations:
1:
Beijing Institute of Aeronautical Materials, Aero Engine Corporation of China , Beijing 100095 , People's Republic of China ;
- Source:
Volume 13, Issue 6,
June
2018,
p.
842 – 844
DOI: 10.1049/mnl.2017.0922 , Online ISSN 1750-0443
Graphene nanowalls (GNWs) were deposited on the surface of the copper foil, nickel foam and glass using the plasma-enhanced chemical vapour deposition (13.56 MHz) method. The etching effect of hydrogen on the morphology of the GNWs was investigated by varying the CH4/H2 ratio during the graphene growth. Supercapacitor electrodes made of GNWs on nickel foam were tested with cyclic voltammetry and galvanostatic charge/discharge methods, showing premium electrical double-layer performance and cyclic stability.
Inspec keywords: graphene devices; surface morphology; electrochemistry; electrochemical electrodes; nanofabrication; voltammetry (chemical analysis); supercapacitors; plasma CVD; graphene; nanocomposites; etching
Other keywords: C; Ni; glass; SiO2; Cu; frequency 13.56 MHz; cyclic stability; electrical double-layer performance; graphene nanowalls; supercapacitor electrodes; cyclic voltammetry; plasma-enhanced chemical vapour deposition; galvanostatic charge-discharge methods; copper foil; etching; nickel foam; surface morphology
Subjects: Chemical vapour deposition; Electrochemical analytical methods; Other methods of nanofabrication; Chemical vapour deposition; Composite materials (engineering materials science); Storage in electrical energy; Fullerene, nanotube and related devices; Plasma applications in manufacturing and materials processing; Structure of graphene and graphene-related materials; Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials; Capacitors; Surface treatment and degradation of composites; Preparation of graphene and graphene-related materials, intercalation compounds, and diamond; Fullerenes, carbon nanotubes, and related materials (engineering materials science); Solid surface structure; Electrochemistry and electrophoresis; Electrochemical conversion and storage; Low-dimensional structures: growth, structure and nonelectronic properties
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