Lithium polymer battery
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United States of America Patent
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Sep 17, 2002
Grant Date -
N/A
app pub date -
Mar 6, 2000
filing date -
Apr 21, 1999
priority date (Note) -
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Abstract
A lithium secondary battery having a bi-cell type battery cell consisting of an anode plate, a separator fixed to both surfaces of the anode plate and a cathode plate fixed to either outer surface of the separator, wherein the cathode plate includes a cathode current collector, a front cathode sheet fixed to one surface of the cathode current collector, which is adjacent to the anode plate, and a rear cathode sheet fixed to the other surface of the cathode current collector and having a thickness different from that of the front cathode sheet.
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