ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Jan 22, 2013
filing date -
Jan 22, 2013
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Abstract
An anode active material for a lithium secondary battery having high-capacity and high-efficient charging/discharging characteristics. The anode active material includes silicon single phases, and silicon-metal alloy phases distributed around the silicon single phases. The silicon single phases have a fine structure in which crystalline particles obtained through rapid-cooling solidification are thermally treated to be grown to crystal grains.
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