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Fluorophlogopite and Taeniolite: Synthesis and Nanocomposite Formation

Published online by Cambridge University Press:  10 February 2011

Gregory J. Moore
Affiliation:
Chemistry Department and Materials Research Center, State University of New York at Binghamton, Binghamton, NY 13902–6000, USA
Peter Y. Zavalij
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
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Abstract

Sodium fluorophlogopite and lithium taeniolite have been synthesized by new routes for application in lithium batteries. The fluorophlogopite synthesized by a high temperature solid state reaction, was found to be non-water-swellable and unreactive towards several mono- and divalent ions. However it was found to readily undergo ion-exchange with both copper and iron ions, with concomitant swelling to a bilayer water state. This swelled material reacted readily with long chain amines and other molecules and ions behaving like a regular swellable silicate. A taeniolite precursor was synthesized by mild hydrothermal reactions, and annealed into a well crystalline layer solid, that reacted readily with organics to form ordered composites that have potential use as battery electrolytes and cathodes.

Type
Research Article
Copyright
Copyright © Materials Research Society 1997

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