Patent ID: 8628874
Filing Date: 2014-01-14
Classification: B23K,H01M,Y02E,Y10T

Abstract:
1. A secondary battery, comprising: an electrode assembly having a plurality of electrode plates and a plurality of separators, each separator of the plurality separators is disposed between each of the electrode plates of the plurality of electrode plates; a plurality of electrode tabs extending from and electrically connected to each of the plurality of electrode plates, said plurality of electrode tabs forming a stack of electrode tabs by placing each electrode tab of the plurality of electrode tabs one upon another; and a plurality of lead members, each of the plurality of lead members having a “U” shape cut and includes two ends in which a first end has a first part and a second part in the first end of each lead member with a space containing no material and no intervening structures between the first end and the second end, said first part and said second part are separated from each other by the space at the first end and connected at the second end, wherein the first part and the second part of each lead member are each coupled to the stack of electrode tabs within a battery case.