A cap assembly including a cap plate including a through hole and a coating layer on at least a portion of an upper surface of the cap plate, a terminal plate including a body part and an inserting part, the inserting part protruding from the body part and into the through hole, an insulator…

A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode; a case including an opening disposed in one side and receiving the electrode assembly; a cap assembly combined to…