Patent ID: 9306203
Filing Date: 2016-04-05
CPC Classification: H01M,Y02E,Y02P

Claim Text:
1. A rechargeable battery comprising: an electrode assembly comprising a positive electrode and a negative electrode; a current collecting member coupled to the electrode assembly; a case housing the electrode assembly; a cap plate coupled to the case; and a terminal electrically coupled to the electrode assembly and comprising a base portion located on the cap plate and a protrusion portion integral with and protruding from the base portion and spaced from the cap plate, wherein the base portion comprises an integral connection portion that directly contacts the current collecting member, wherein the protrusion portion is elastically deformable in a thickness direction of the protrusion portion, and wherein a groove is located at an intersection of the protrusion portion and the base portion in a corner of a bottom side of the terminal.