Patent ID: 9525161
Filing Date: 2016-12-20
CPC Classification: H01M,Y02E,Y02P

Claim Text:
1. A rechargeable battery comprising: a case; an electrode assembly accommodated within the case; and a current collector having a first portion, a second portion, and a connection unit between the first portion and the second portion, wherein the connection unit comprises a body coupling the first portion with the second portion, the first portion being coupled with the electrode assembly and the second portion being coupled with a first battery terminal unit, and wherein a thickness of the connection unit is greater than a thickness of the first portion of the current collector; and a reinforcement member, the reinforcement member comprising a first reinforcement member extending from a first side of the body and a second reinforcement member extending from a second side of the body opposite to the first side, wherein the first reinforcement member is configured to be folded over and coupled to a first planar surface of the body, wherein the second reinforcement member is configured to be folded over and coupled to a second planar surface of the body, and wherein a thickness of the reinforcement member is greater than a thickness of the first portion of the current collector.