Microwave-mediated hydrothermal synthesis and electrochemical properties of LiNi1/3Co1/3Mn1/3O2 powders
Resource
Materials Letters 62 (25): 4075-4077
Journal
Materials Letters
Journal Volume
62
Journal Issue
25
Pages
4075-4077
Date Issued
2008
Date
2008
Author(s)
Abstract
LiNi1/3Co1/3Mn1/3O2 powders have been successfully prepared via a newly developed microwave-hydrothermal method. Monophasic powders with an α-NaFeO2 structure were obtained. The particle sizes of the microwave-derived powders were in submicron order (0.2-0.3 μm) and were much smaller than those of the powders synthesized via coprecipitation reaction (1-3 μm). The microwave-hydrothermal route not only shortened the required reaction time but also improved the electrochemical performance of the product. Electrochemical analysis indicated that the microwave-derived LiNi1/3Co1/3Mn1/3O2 powders exhibited a higher capacity than those derived from coprecipitation method. The capacity fading ratio of the microwave-derived powders was lower than that of the powders obtained via coprecipitation route, according to the results of high C-rate tests. © 2008 Elsevier B.V. All rights reserved.
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Type
journal article
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