Abstract: A rechargeable battery according to one aspect of the present invention includes: an electrode assembly that includes a first electrode and a second electrode; a case of which one side is opened, and that receives the electrode assembly; a cap assembly that includes a cap plate covering the opened portion of the case; a first current collecting member that is disposed at a lower side of the cap assembly and is thus connected with the first electrode; a sealing member that is made of an insulation material and penetrates the cap plate and the first current collecting member; and a first terminal in which a base portion fixed to an outer side of the cap plate and an extension portion formed to penetrate the sealing member such that first current collecting member is fixed to the cap assembly are formed as a single body.

Abstract: A rechargeable battery according to one aspect of the present invention includes: an electrode assembly that includes a first electrode and a second electrode; a case of which one side is opened, and that receives the electrode assembly; a cap assembly that includes a cap plate covering the opened portion of the case; a first current collecting member that is disposed at a lower side of the cap assembly and is thus connected with the first electrode; a sealing member that is made of an insulation material and penetrates the cap plate and the first current collecting member; and a first terminal in which a base portion fixed to an outer side of the cap plate and an extension portion formed to penetrate the sealing member such that first current collecting member is fixed to the cap assembly are formed as a single body.