Hostname: page-component-5c6d5d7d68-qks25 Total loading time: 0 Render date: 2024-08-23T18:22:28.563Z Has data issue: false hasContentIssue false
  • English
  • Français

New Manganese Oxides by Hydrothermal Reaction of Permanganates

Published online by Cambridge University Press:  15 February 2011

Rongji Chen ,
Peter Zavalj  and
M. Stanley Whittingham
Rongji Chen
Affiliation:
Chemistry Department and Materials Research Center, State University of New York at Binghamton, Binghamton, NY 13902–6000, USA
Peter Zavalj
Affiliation:
Chemistry Department and Materials Research Center, State University of New York at Binghamton, Binghamton, NY 13902–6000, USA
M. Stanley Whittingham
Affiliation:
Chemistry Department and Materials Research Center, State University of New York at Binghamton, Binghamton, NY 13902–6000, USA
Get access

Abstract

The mild hydrothermal decomposition of aqueous permanganate solutions has been found to lead to new layered manganes oxides. In the case of alkali permanganates, AMnO4, layered birnessite-type compounds are formed with the general formula - AxMnO2•nH2O. These compounds have R 3 m rhombohedral structures analogous to the layered disulfides. The water is reversibly lost on heating, and the compounds readily intercalate lithium ions in a reversible manner. In the case of the hydrothermal decomposition of tetramethylammonium permanganate in the presence of nickel, the new compound NiMnO3 is formed that has a novel structure. This compound also has interesting magnetic properties, being a paramagnet above 111K and a ferromagnetic below that temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 453: Symposium R – Solid State Chemistry of Inorganic Materials , 1996 , 653
Copyright
Copyright © Materials Research Society 1997

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. Rouxel, J., Tournoux, M., and Bree, R., ed. Soft Chemistry Routes to New Materials -Chimie Douce-. Materials Science Forum, Vol. 152–153. 1994, Trans Tech Publications: Switzerland.Google Scholar
2. Whittingham, M. S., Current Opinion in Solid State and Materials Science, 1 (1996) 227.Google Scholar
3. Whittingham, M. S., Li, J., Guo, J., and Zavalij, P.. Hydrothermal Synthesis of New Oxide Materials using the Tetramethyl Ammonium Ion. in Soft Chemistry Routes to New Materials. 152153 (1993) 99. Nantes, France: Trans Tech Publications Ltd. Google Scholar
4. Li, Y. J. and Whittingham, M. S., Solid State Ionics, 63 (1993) 391.Google Scholar
5. Whittingham, M. S., Guo, J., Chen, R., Chirayil, T., Janauer, G., and Zavalij, P., Solid State Ionics, 75 (1995) 257.Google Scholar
6. Chen, R., Zavalij, P., and Whittingham, M. S., Chem Mater, 8 (1996) 1275.Google Scholar
7. Chen, R., Chirayil, T., and Whittingham, M. S., Proceedings of the 10th International Symposium on Solid State Ionics, Singapore, December 1995. Solid State Ionics, 86–88 (1996) 1.Google Scholar
8. Tarascon, J-M., editor, Lithium Batteries in Solid State Ionics, 69 (1994)Google Scholar
9. Chen, R., Zavalij, P. Y., and Whittingham, M. S., Chem. Mater., (1997) in press.Google Scholar
10. Pernet, M., Joubert, F. C., and Ferrand, B., Solid State Communications, 16 (1975) 503.Google Scholar
11. Cloud, W. H., Phys. Rev., 111 (1958) 1046.Google Scholar