IMPROVED SECONDARY BATTERY FOR ELECTRODE TAB, AND ELECTRODE TAB STRUCTURE THEREOF

摘要

Disclosed is a secondary battery which includes a cell body which is formed by stacking an electrode plate and a separator, a grid which protrudes from the electroless part of the electrode plate, a welding part which is formed by assembling a plurality of terminals of the grid, and an electrode tap welded to the welding part, wherein the electrode tap includes a bonding part which is welded to the welding part and a tap part which is integrally extended from the bonding part. The width of the bonding part is wider than that of the tap part.