Patent ID: 9023516
Filing Date: 2015-05-05
Classification: H01M,Y02E

Abstract:
1. A rechargeable battery comprising: an electrode assembly including electrodes on both sides of a separator; a case accommodating the electrode assembly; a cap plate coupled to an opening of the case; an electrode terminal assembled to a plurality of terminal holes in the cap plate; an insulator between the electrode terminal and a first surface of the cap plate; a gasket between the electrode terminal and a second surface of the cap plate; and a lead tab at one side of the gasket to connect the electrode terminal to the electrode assembly, wherein: the electrode terminal includes a plate terminal at an outer surface of the insulator and a rivet terminal connected to the plate terminal and connected to the lead tab through the terminal holes, the terminal holes include, in a first direction of the cap plate: the rivet terminal includes: the electrode terminal and the cap plate include a vent hole that penetrates the electrode terminal and the cap plate, and the vent hole is sealed by a vent plate.