Method for treating electrode tabs of crude cell for lithium secondary battery, and crude cell and lithium secondary battery according to the method
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United States of America Patent
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app pub date -
Jun 26, 2006
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Jun 12, 2002
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Abstract
A method for treating electrode tabs of a crude cell for a lithium secondary battery, a crude cell for a lithium secondary battery manufactured according to the method, and a lithium secondary battery employing the crude cell are disclosed. The method for treating electrode tabs of a crude cell provided with a plurality of anode plates having respective anode grids, a plurality of anode plates having respective anode grids includes the steps of: (a) gathering the anode grids and the cathode grids cutting the end portions to have the shortest length required for being welded to respective tab members; (b) welding anode and cathode tab members to respective end portions of the anode and cathode grids; (c) attaching insulating tape to wrap the welded portions; (d) bending the anode and cathode grids; and (e) bending the respective tab members.
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