Patent ID: 8822065
Filing Date: 2014-09-02
Classification: H01M,Y02E,Y02P

Abstract:
1. A rechargeable battery comprising: an electrode assembly having an interior space, the electrode assembly comprising a first electrode comprising an uncoated part at the end of the first electrode, the uncoated part having an inner uncoated side and an uncoated end, the interior space being defined by the inner uncoated side; and a current collecting plate comprising: a first member in contact with the inner uncoated side of the first electrode, the first member comprising a support protrusion; and a second member in contact with the uncoated end of the first electrode, the second member having a welding portion affixed to the uncoated end of the first electrode, and the support protrusion being in the interior space, wherein the electrode assembly has a groove at a top end of the electrode assembly and the support protrusion is substantially identical in height to that of the interior space plus the groove and does not extend above the top end of the electrode assembly.