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Hydrothermal Synthesis and Characterization of A Series of Novel Zinc Vanadium Oxides as Cathode Materials

Published online by Cambridge University Press:  10 February 2011

Fan Zhang ,
Peter Y. Zavalij  and
M. Stanley Whittingham
Fan Zhang
Affiliation:
Chemistry Department and Materials Research Center, State University of New York at Binghamton, Binghamton, New York 13902
Peter Y. Zavalij
Affiliation:
Chemistry Department and Materials Research Center, State University of New York at Binghamton, Binghamton, New York 13902
M. Stanley Whittingham
Affiliation:
Chemistry Department and Materials Research Center, State University of New York at Binghamton, Binghamton, New York 13902
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Abstract

We report here the hydrothermal synthesis of a series of novel zinc vanadium oxides, using tetramethyl ammonium ion in order to stabilize the layered structure of vanadium oxide during electrochemical redox reactions with lithium. The compounds were synthesized by the reaction of zinc chloride, vanadium (V) oxide, and tetramethyl ammonium hydroxide at 165°C for 60 hours. Four new zinc vanadium oxide compounds were discovered, only one of which contained the organic cation; another was found to have a layered structure with bridging V-O-V groups analogous to that of beta alumina. These compounds were characterized by X-ray powder diffraction, and IR. Three of the compounds reacted readily with lithium, and their electrochemical behavior in lithium cells were determined.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 496: Symposium Y – Materials For Electrochemical Energy Storage & Conversion II… , 1997 , 367
Copyright
Copyright © Materials Research Society 1998

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References

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