Rechargeable battery
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United States of America Patent
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Sep 1, 2015
Grant Date -
Dec 8, 2011
app pub date -
Jan 31, 2011
filing date -
Jun 3, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A rechargeable battery prevents an electrolyte solution from being leaked from a can connector and improves the productivity of a can. A rechargeable battery constructed as an embodiment of the present invention includes an electrode assembly formed by stacking and winding a positive electrode, a separator, and a negative electrode; a can receiving the electrode assembly, and the can including a body formed by a polygonal tube and a bottom plate bent from at least one surface among multiple surfaces at an opening of the body and physically connected to the rest of the multiple surfaces of the body; and a cap assembly sealing another opening of the body and the cap assembly being disposed opposite to the bottom plate.
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