Patent ID: 9017860
Filing Date: 2015-04-28
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A cylinder type secondary battery comprising: a can having an opening; an electrode assembly in the can; a cap assembly covering the opening of the can; an upper insulating plate between the electrode assembly and the cap assembly; a support plate on the upper insulating plate; the support plate including a planar surface having a peripheral edge defining an outermost perimeter of the support plate, wherein an area of the support plate is smaller than an area of the upper insulating plate; and a first electrode tab extending from the electrode assembly, the first electrode tab having a first section contacting the support plate, a second section contacting the cap assembly, and a bent section between the first section and the second section and extending in a first direction substantially parallel to the planar surface, wherein a portion of the bent section protrudes past the peripheral edge of the support plate in the first direction.