COMPOSITE ANODE MATERIAL FOR A LITHIUM ION BATTERY AND PREPARATION METHOD THEREOF
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United States of America Patent
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Issued Date -
Mar 5, 2015
app pub date -
Aug 4, 2014
filing date -
Sep 2, 2013
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Abandoned
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Abstract
The present invention belongs to the technical field of lithium ion batteries and in particularly relates to a composite anode material for a lithium ion battery. The composite anode material for a lithium ion battery comprises an anode active material and a coating layer coating the surface of the anode active material, wherein the anode active material is at least one selected from the group of Si, SiOx or a silicon alloy, the coating layer, which is a polymer of a network structure, accounts for 1-20% by mass of the anode material.
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