| 摘要 |
Provided is a rechargeable battery maintaining a curved state of a case by minimizing a deformation of the case in the curved state. According to an exemplary embodiment of the present invention, a rechargeable battery includes: an electrode assembly performing charging and discharging; a case receiving the electrode assembly; a cap plate sealing an opening of the case; and an electrode terminal mounted at the cap plate and electrically connected to the electrode assembly, in which the case includes a first curved portion curved toward a center of the electrode assembly and a second curved portion curved to be far away from the center; and a reinforcing plate bonded to the first curved portion. |
