POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM BATTERY CONTAINING THE SAME, AND METHOD OF MANUFACTURING THE POSITIVE ELECTRODE ACTIVE MATERIAL
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Feb 13, 2015
filing date -
Feb 21, 2014
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Abstract
A positive electrode active material including a lithium transition metal oxide, wherein when a lithium battery including a positive electrode including the lithium transition metal oxide is analyzed by differential capacity analysis, an irreversible peak is present in a graph of differential capacity versus voltage in a range of about 4.5 volts versus lithium to about 4.8 volts versus lithium during a first charge/discharge cycle.
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