Patent ID: 9252403
Filing Date: 2016-02-02
CPC Classification: H01M,Y02E,Y02P

Claim Text:
1. A rechargeable battery, comprising: an electrode assembly that performs a charge action and a discharge action; a case in which the electrode assembly is inserted; a cap plate coupled to an opening of the case; and an electrode terminal in a terminal hole of the cap plate, the electrode terminal including: a plate terminal outside the cap plate and corresponding to the terminal hole, the plate terminal including a through-hole, a first groove, and a second groove, and a rivet terminal electrically connected to the electrode assembly, the rivet terminal passing through the terminal hole, being inserted in the through-hole, and being riveted to the plate terminal at an upper end of the rivet terminal, wherein: the first groove extends from the through-hole at an upper end side of the rivet terminal, and the second groove extends from the first groove to an outer side of the plate terminal, wherein the first and second grooves allow water to be removed from the electrode terminal.