期刊
JOURNAL OF POWER SOURCES
卷 196, 期 5, 页码 2863-2866出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2010.11.032
关键词
Manganese carbonate; Lithium batteries; Conversion reactions
资金
- MEC [MAT2008-05880]
A reverse micelles method is used in the synthesis of manganese carbonate. The use of cetyltrimethylammonium bromide surfactant and hexanol cosurfactant allows the preparation of a new monodispersed form of MnCO3. Particles with a regular shape and ca. 200 nm edges are observed by electron microscopy. The electrochemical reaction with lithium of the manganese carbonate leads to the formation of the manganese metal and lithium carbonate as the main side product, which yields higher capacity than graphite and good capacity retention. Submicron MnCO3 could replace other more toxic and expensive anodes used in recent commercial Li-ion products. (C) 2010 Elsevier B.V. All rights reserved.
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