Patent ID: 8871376
Filing Date: 2014-10-28
Classification: B23K,H01M,Y02E

Abstract:
1. An interconnection assembly, comprising: a first cell tab of a first battery cell, the first cell tab being constructed of a first metal; a second cell tab of a second battery cell, the second cell tab being disposed directly on and against the first cell tab, the second cell tab being constructed of a second metal, the second metal having a hardness greater than a hardness of the first metal; an interconnect member being disposed directly on and against the second cell tab; and a weld assisting layer being disposed directly on and against the first cell tab such that the first and second cell tabs are disposed between the weld assisting layer and the interconnect member, such that when a welding joint is formed in the first and second cell tabs, the interconnect member, and the weld assisting layer, the weld assisting layer reduces deformation of the first cell tab.