Influence of the structure of carbon onions on their electrochemical performance in supercapacitor electrodes

John K. McDonough, Andrey I. Frolov, Volker Presser, Junjie Niu, Christopher H. Miller, Teresa Ubieto, Maxim V. Fedorov, Yury Gogotsi

Research output: Contribution to journalArticle

149 Citations (Scopus)

Abstract

Onion-like carbon (OLC), also known as carbon onions, is an attractive material for electrical energy storage in regards to high rate, high power applications. We report the most up to date, systematic, and extensive study of the electrochemical behavior of carbon onions in aqueous (1 M sulfuric acid, H2SO4) and organic (1 M tetraethylammonium tetrafluoroborate, TEA-BF4, and 1 M tetrabutylammonium tetrafluoroborate, TBA-BF4, in acetonitrile) electrolytes. The physical and electrical properties of OLC are studied as a function of the synthesis temperature and compared with diamond soot, carbon black, and activated carbon. To obtain a molecular scale picture of the processes at the OLC-electrolyte interface, we supplement the experimental work with molecular dynamics (MD) simulations of carbon onions in organic electrolytes. The capacitive performance of OLC exceeds other carbon materials at high charge/discharge rates (up to 50 V s(-1); time constant tau similar to 10 ms). OLC produced from detonation soot has a performance similar to that of OLC from highly purified nanodiamond. While OLC produced at 1500 degrees C has the largest specific surface area, OLC produced at 1800 degrees C has the highest conductivity and shows the best capacitive performance at high rates.

LanguageEnglish
Pages3298-3309
Number of pages12
JournalCarbon
Volume50
Issue number9
DOIs
Publication statusPublished - Aug 2012

Fingerprint

electrochemical capacitors
Carbon
Electrodes
electrodes
carbon
Soot
Electrolytes
electrolytes
soot
Supercapacitor
Nanodiamonds
Diamond
Tetraethylammonium
Detonation
supplements
activated carbon
sulfuric acid
energy storage
Specific surface area
electric power

Keywords

  • carbon onions
  • electrical energy storage
  • electrochemical performance
  • supercapacitor electrodes

Cite this

McDonough, J. K., Frolov, A. I., Presser, V., Niu, J., Miller, C. H., Ubieto, T., ... Gogotsi, Y. (2012). Influence of the structure of carbon onions on their electrochemical performance in supercapacitor electrodes. Carbon, 50(9), 3298-3309. https://doi.org/10.1016/j.carbon.2011.12.022
McDonough, John K. ; Frolov, Andrey I. ; Presser, Volker ; Niu, Junjie ; Miller, Christopher H. ; Ubieto, Teresa ; Fedorov, Maxim V. ; Gogotsi, Yury. / Influence of the structure of carbon onions on their electrochemical performance in supercapacitor electrodes. In: Carbon. 2012 ; Vol. 50, No. 9. pp. 3298-3309.
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abstract = "Onion-like carbon (OLC), also known as carbon onions, is an attractive material for electrical energy storage in regards to high rate, high power applications. We report the most up to date, systematic, and extensive study of the electrochemical behavior of carbon onions in aqueous (1 M sulfuric acid, H2SO4) and organic (1 M tetraethylammonium tetrafluoroborate, TEA-BF4, and 1 M tetrabutylammonium tetrafluoroborate, TBA-BF4, in acetonitrile) electrolytes. The physical and electrical properties of OLC are studied as a function of the synthesis temperature and compared with diamond soot, carbon black, and activated carbon. To obtain a molecular scale picture of the processes at the OLC-electrolyte interface, we supplement the experimental work with molecular dynamics (MD) simulations of carbon onions in organic electrolytes. The capacitive performance of OLC exceeds other carbon materials at high charge/discharge rates (up to 50 V s(-1); time constant tau similar to 10 ms). OLC produced from detonation soot has a performance similar to that of OLC from highly purified nanodiamond. While OLC produced at 1500 degrees C has the largest specific surface area, OLC produced at 1800 degrees C has the highest conductivity and shows the best capacitive performance at high rates.",
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McDonough, JK, Frolov, AI, Presser, V, Niu, J, Miller, CH, Ubieto, T, Fedorov, MV & Gogotsi, Y 2012, 'Influence of the structure of carbon onions on their electrochemical performance in supercapacitor electrodes' Carbon, vol. 50, no. 9, pp. 3298-3309. https://doi.org/10.1016/j.carbon.2011.12.022

Influence of the structure of carbon onions on their electrochemical performance in supercapacitor electrodes. / McDonough, John K.; Frolov, Andrey I.; Presser, Volker; Niu, Junjie; Miller, Christopher H.; Ubieto, Teresa; Fedorov, Maxim V.; Gogotsi, Yury.

In: Carbon, Vol. 50, No. 9, 08.2012, p. 3298-3309.

Research output: Contribution to journalArticle

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T1 - Influence of the structure of carbon onions on their electrochemical performance in supercapacitor electrodes

AU - McDonough, John K.

AU - Frolov, Andrey I.

AU - Presser, Volker

AU - Niu, Junjie

AU - Miller, Christopher H.

AU - Ubieto, Teresa

AU - Fedorov, Maxim V.

AU - Gogotsi, Yury

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N2 - Onion-like carbon (OLC), also known as carbon onions, is an attractive material for electrical energy storage in regards to high rate, high power applications. We report the most up to date, systematic, and extensive study of the electrochemical behavior of carbon onions in aqueous (1 M sulfuric acid, H2SO4) and organic (1 M tetraethylammonium tetrafluoroborate, TEA-BF4, and 1 M tetrabutylammonium tetrafluoroborate, TBA-BF4, in acetonitrile) electrolytes. The physical and electrical properties of OLC are studied as a function of the synthesis temperature and compared with diamond soot, carbon black, and activated carbon. To obtain a molecular scale picture of the processes at the OLC-electrolyte interface, we supplement the experimental work with molecular dynamics (MD) simulations of carbon onions in organic electrolytes. The capacitive performance of OLC exceeds other carbon materials at high charge/discharge rates (up to 50 V s(-1); time constant tau similar to 10 ms). OLC produced from detonation soot has a performance similar to that of OLC from highly purified nanodiamond. While OLC produced at 1500 degrees C has the largest specific surface area, OLC produced at 1800 degrees C has the highest conductivity and shows the best capacitive performance at high rates.

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