Anode active material having high density and preparation method thereof
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United States of America Patent
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Mar 28, 2017
Grant Date -
Jan 16, 2014
app pub date -
Aug 28, 2013
filing date -
Jul 13, 2012
priority date (Note) -
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Abstract
Provided is an anode active material including lithium metal oxide particles having an internal porosity ranging from 3% to 8% and an average particle diameter (D50) ranging from 5 μm to 12 μm. According to the present invention, since the high-density lithium metal oxide particles are included, the adhesion to an anode may be significantly improved even by using the same or smaller amount of a binder that is required during the preparation of an anode slurry, and high rate characteristics of a secondary battery may be improved by decreasing the average particle diameter of the lithium metal oxide particles.
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