Patent ID: 8865344
Filing Date: 2014-10-21
Classification: H01M,Y02E

Abstract:
1. A rechargeable battery, comprising: an electrode assembly having a separator between electrode plates; a case accommodating the electrode assembly; a cap plate coupled to an opening of the case, the cap plate having an exterior facing an outside of the rechargeable battery and an interior facing an inside of the rechargeable battery; an electrode terminal through a terminal hole in the cap plate, the electrode terminal including a rivet terminal extending through the terminal hole and a plate terminal at the exterior of the cap plate; a gasket between an outer circumference of the rivet terminal and an inner circumference of the terminal hole; an insulator between the exterior of the cap plate and the plate terminal, a portion of the gasket being between the insulator and the outer circumference of the rivet terminal; and a sealing member between the gasket and the insulator, the sealing member extending continuously along a first surface of the gasket and along a first surface of the insulator, the first surface of the gasket and the first surface of the insulator being non-parallel to each other, wherein the sealing member includes: