| 摘要 |
An embodiment of the present invention is to provide a rechargeable battery to keep a curved state of a case by minimizing deformation of the case in the curved state. The rechargeable battery according to an embodiment of the present invention comprises: an electrode assembly performing charging and discharging; a case accommodating the electrode assembly; a cap plate sealing an opening of the case; and an electrode terminal installed on the cap plate, and electrically connected to the electrode assembly. The case includes a first curved part bent toward the center of the electrode assembly; a second curved part bent to be away from the center; and a reinforcement member attached to the first curved part. |
