Nanoscale carbon materials from hydrocarbons pyrolysis: Structure, chemical behavior, utilisation for non-aqueous supercapacitors

Journal Article · Tue Sep 15 00:00:00 EDT 2015 · Materials Research Bulletin

DOI:https://doi.org/10.1016/J.MATERRESBULL.2015.01.001· OSTI ID:22475864

Strokova, Natalia E.; Ivanov, Anton S.; Arkhipova, Ekaterina A. ^[1]; Desyatov, Andrey V. ^[2]; Hui, Xia ^[3]; Aldoshin, Serguei M. ^[4]; Lunin, Valery V. ^[1]

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1. Lomonosov Moscow State University, Chemistry Department (Russian Federation)
2. D. Mendeleyev University of Chemical Technology of Russia (Russian Federation)
3. Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology (China)
4. Lomonosov Moscow State University, Faculty of Fundamental Physical and Chemical Engineering (Russian Federation)

Highlights: • N-doped and regular carbon nanomaterials were obtained by pyrolitic technique. • Dynamic vapor sorption of different solvents reveals smaller S{sub BET} values. • Steric hindrance and specific chemical interactions are the reasons for this. • Nitrogen doping leads to raise of capacitance and coulombic efficiency with non-aqueous N-containing electrolyte. - Abstract: This work systematically studies adsorption properties of carbon nanomaterials that are synthesized through hydrocarbons that is a powerful technique to fabricate different kinds of carbon materials, e.g., nanotubes, nanoshells, onions, including nitrogen substituted. The adsorption properties of the as-synthesized carbons are achieved by low temperature nitrogen adsorption and organic vapors sorption. Heptane, acetonitrile, water, ethanol, benzene and 1-methylimidazole, which are of great importance for development of supercapacitors, are used as substrates. It is discovered that while nitrogen adsorption reveals a high specific surface area, this parameter for most of organic compounds is rather small depending not only on the size of its molecule but also on chemical interactions for a pair adsorbent–adsorbate. The experimental values of heat of adsorption for carbon and N-substituted structures, when Coulomb cross-coupling of nitrogen atoms in adsorbent and adsorbate takes place, confirms this supposition.

• OSTI ID: 22475864
• Journal Information: Materials Research Bulletin, Vol. 69; Conference: ISFM 2014: 6. international symposium on functional materials, Singapore (Singapore), 4-7 Aug 2014; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 0025-5408
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
ACETONITRILE
ADSORBENTS
ADSORPTION
BENZENE
CAPACITANCE
CAPACITIVE ENERGY STORAGE EQUIPMENT
CARBON
DOPED MATERIALS
ELECTROLYTES
HEPTANE
INTERACTIONS
NANOMATERIALS
NANOTUBES
NITROGEN
PHOTOELECTRON SPECTROSCOPY
PYROLYSIS
SPECIFIC HEAT
SPECIFIC SURFACE AREA
SURFACE PROPERTIES