Active and Passive Electronic Components

Active and Passive Electronic Components / 1995 / Article
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Advances in Electrode Materials Research for Rechargeable Lithium Batteries

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Volume 18 |Article ID 083138 | https://doi.org/10.1155/1995/83138

S. D. Han, S. Y. Huang, G. Campet, S. H. Pulcinnelli, C. V. Santilli, "Reversible Electrochemical Insertion of Lithium in Fine Grained Polycrystalline Powders of SnO2", Active and Passive Electronic Components, vol. 18, Article ID 083138, 8 pages, 1995. https://doi.org/10.1155/1995/83138

Reversible Electrochemical Insertion of Lithium in Fine Grained Polycrystalline Powders of SnO2

Received20 Nov 1994
Accepted30 Nov 1994

Abstract

Fine grained SnO2 powders have been obtained using an unconventional method. It deals with the well known polymerization method starting from the metallic halide SnCl4 with polyethylene oxide (PEO). With this method, SnO2 powders, which are free from water and hydroxyl group contaminations and possess small crystallite size (50A), are obtained by appropriate pyrolysis of the polymer. Consequently, these powders show good ability to insert reversibly lithium ions in the Li/Li+/LixSnO2 cell. Indeed, by minimizing the size of the crystallites, the formation of defect-bonds is favored, particularly at the crystallite surface, acting as reversible (de)grafting sites of Li+. Finally, an easy-to-carry out method to determine the chemical diffusion coefficient of lithium has been proposed.

Copyright © 1995 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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