Comparison of LiV3O8 cathode materials prepared by different methods

Keld West, Birgit Zachau-Christiansen, Steen Skaarup, Y. Saidi, J. Barker, I. I. Olsen, R Pynenburg, R. Koksbangc

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Abstract

Lithium trivanadate, LiV3O8, can be prepared in a finely dispersed form by dehydration of aqueous lithium vanadate gels. Two methods of dehydration, both easily adaptable to large-scale production, are described in this work: freeze drying and spray drying. After heat-treatment of the dried gels (xerogels) to remove loosely bound water they show a high capacity for lithium insertion, approaching four additional lithium per formula unit, and good reversibility as electrode materials for high energy density lithium cells. How the heat-treatment temperature influences the crystal structure is demonstrated as well as the electrochemical properties of the vanadium oxide.
Original languageEnglish
JournalJournal of The Electrochemical Society
Volume143
Issue number3
Pages (from-to)820-825
ISSN0013-4651
DOIs
Publication statusPublished - 1996

Bibliographical note

Copyright The Electrochemical Society, Inc. [1996]. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS).

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