Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
권호 표지
DOI QR코드

DOI QR Code

The Preparation of Non-aqueous Supercapacitors with Lithium Transition-Metal Oxide/Activated Carbon Composite Positive Electrodes

  • Kim, Kyoung-Ho (LG Innotek) ;
  • Kim, Min-Soo (Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Yeu, Tae-Whan (School of Chemical Engineering and Materials Science, Chung-Ang University)
  • Received : 2010.05.14
  • Accepted : 2010.09.06
  • Published : 2010.11.20
Download PDF
⟨ Previous Next ⟩

Abstract

In order to increase the specific capacitance and energy density of supercapacitors, non-aqueous supercapacitors were prepared using lithium transition-metal oxides and activated carbons as active materials. The electrochemical properties were analyzed in terms of the content of lithium transition-metal oxides. The results of cyclic voltammetry and AC-impedance analyses showed that the pseudocapacitance may stem from the synergistic contributions of capacitive and faradic effects; the former is due to the electric double layer which is prepared in the interface of activated carbon and organic electrolyte, and the latter is due to the intercalation of lithium ($Li^+$) ions. The specific capacitance and energy density of a supercapacitor improved as the lithium transition-metal oxides content increased, showing 60% increase compared to those of supercapacitor using a pure activated carbon positive electrode.

Keywords

References

  1. Conway, B. E. Electrochemical Supercapacitors, Scientific Fundamentals and Technological Application; Kluwer Academic/Plenum Publishers: New York, 1999.
  2. Miller, J. M.; Dunn, B.; Tran, T. D.; Pekala, R. W. J. Electrochem. Soc. 1997, 144, L309. https://doi.org/10.1149/1.1838142
  3. Sato, Y.; Yomogida, K.; Nanaumi, T.; Kobayakawa, K.; Ohsawa,Y.; Kawai, M. Electrochem. Solid State Lett. 2000, 3, 113. https://doi.org/10.1149/1.1390974
  4. Kim, K. M.; Hur, J. W.; Jung, S. I.; Kang, A. S. Electrochim. Acta 2004, 50, 863. https://doi.org/10.1016/j.electacta.2004.02.059
  5. Michael, M. S.; Parbaharn, S. R. S. J. Power Sources 2004, 136, 250. https://doi.org/10.1016/j.jpowsour.2004.03.006
  6. Amatucci, G. G.; Badway, F.; Pasquier, A. D.; Zheng, T. J. Electrochem. Soc. 2001, 148, A930. https://doi.org/10.1149/1.1383553
  7. Frackowiak, E.; Beguin, F. Carbon 2001, 39, 937. https://doi.org/10.1016/S0008-6223(00)00183-4
  8. Okamura, M.; Takeuchi, M. US20020012223 2002.
  9. Ramani, M.; Haran, B. S.; White, R. E.; Popov, B. N. J. Electrochem. Soc. 2001, 148, A374. https://doi.org/10.1149/1.1357172
  10. Srinivasan, V.; Weidner, J. W. J. Electrochem. Soc. 1997, 144,L210. https://doi.org/10.1149/1.1837859
  11. Liu, K.; Anderson, M. A. J. Electrochem. Soc. 1996, 143, 124. https://doi.org/10.1149/1.1836396
  12. Du Pasquier, A.; Plitz, I.; Gural, J.; Badway, F.; Amatucci, G. G.J. Power Sources 2004, 136, 160. https://doi.org/10.1016/j.jpowsour.2004.05.023
  13. Tukamoto, H.; West, A. R. J. Electrochem. Soc. 1997, 144, 3164. https://doi.org/10.1149/1.1837976
  14. Holbery, J. D.; Seddon, K. R. Clean Products and Processes 1999,1, 223.
  15. Aurbach, D.; Markovsky, B.; Weissman, I.; Levi, E.; Ein-Eli, Y.Electrochim. Acta 1999, 45, 67. https://doi.org/10.1016/S0013-4686(99)00194-2
  16. Araki, K.; Sato, N. J. Power Sources 2003, 124, 124. https://doi.org/10.1016/S0378-7753(03)00593-7
  17. Bar-Tow, D.; Peled, E.; Burstein, L. J. Electrochem. Soc. 1999,146(3), 824. https://doi.org/10.1149/1.1391688
  18. Fischer, T.; Sethi, A.; Welton T.; Woolf, J. Tetrahedron Lett. 1999,40, 793. https://doi.org/10.1016/S0040-4039(98)02415-0
  19. Weltion, T. Chem. Rev. 1999, 99, 2071. https://doi.org/10.1021/cr980032t

Cited by

  1. Energy storage applications of activated carbons: supercapacitors and hydrogen storage vol.7, pp.4, 2014, https://doi.org/10.1039/C3EE43525C
  2. Nanowires by Hydrothermal Method and their Electrochemical Characteristics vol.27, pp.6, 2016, https://doi.org/10.14478/ace.2016.1105
  3. High Operating Voltage Supercapacitor Using PPy/AC Composite Electrode Based on Simple Dipping Method vol.2015, pp.None, 2010, https://doi.org/10.1155/2015/314893