Hostname: page-component-78c5997874-t5tsf Total loading time: 0 Render date: 2024-11-14T12:42:20.827Z Has data issue: false hasContentIssue false
  • English
  • Français

Supercapacitors and Batteries

Published online by Cambridge University Press:  15 February 2011

J.B. Goodenough ,
Hee Y. Lee  and
V. Manivannan
J.B. Goodenough
Affiliation:
Texas Materials Institute, ETC 9.102University of Texas at Austin, Austin, TX 78712-1063
Hee Y. Lee
Affiliation:
Texas Materials Institute, ETC 9.102University of Texas at Austin, Austin, TX 78712-1063
V. Manivannan
Affiliation:
Texas Materials Institute, ETC 9.102University of Texas at Austin, Austin, TX 78712-1063
Get access

Abstract

Comparisons are made between the material requirements for supercapacitor electrodes and the cathode of a lithium-ion battery. The performances of the battery cathodes Li1+xFe2(SO4)2(PO4) and Li1+5 VMoO6 are compared to those for supercapacitor electrodes operating with 5.3 M H2SO4, Nafion 117, or 2 M KCl aqueous solution at pH 6.7. The use of a KCl aqueous electrolyte at mild pH allows stabilization of amorphous, hydrated electrode materials such as a-MnO2nH2O that are not stable in 5.3 M H2SO4 or with Nafion 117. However, the larger K+ ion appears to reduce by a factor of three the theoretical capacity attainable with H+ ions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 548: Symposia EE – Solid State Ionics V , 1998 , 655
Copyright
Copyright © Materials Research Society 1999

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Manthiram, A. and Goodenough, J.B., J. Solid State Chem. 71, 349 (1987).Google Scholar
2. Eisenmann, E.T., The Electrochemical Society Proceedings 95–29, 255 (1995).Google Scholar
3. Goodenough, J.B., Int. School on Materials Science & Technology, Solid State Microbatteries, Aldrich, J. and Balkanski, M., eds., NATO ASI Series B, 217, 157 Plenium Press, 1990)Google Scholar
4. Yamada, A. and Goodenough, J.B., J. Electrochem. Soc. 145, 737 (1998).Google Scholar
5. Zheng, J.P. and Jow, T.R., J. Electrochem Soc. 142, L6 (1995); J.P. Zheng, P.J. Cygan, and T.R. Jow, ibid. 142, 2699 (1995).Google Scholar
6. Padhi, A.K., Manivannan, V., and Goodenough, J.B., J. Electrochem. Soc. 145, 1518 (1998).Google Scholar
7. Padhi, A.K., Masquelier, C., Nanjundaswamy, K.S., and Goodenough, J.B., J. Electrochem. Soc. 144, 2581 (1997).Google Scholar
8. Ruh, R. and Wadsley, A.D., Acta Cryst. 21 974 (1966)Google Scholar
9. Goodenough, J.B. and Manivannan, V., Kagaku, Denki, The Electrochemical Society of Japan (in press)Google Scholar
10. Lee, Hee Y., Manivannan, V., and Goodenough, J.B., unpublishedGoogle Scholar