Secondary battery

Provided is a secondary battery including: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a can having a closed upper surface and an open lower surface for accommodating the electrode assembly, the upper surface having a crimped opening therein, the can being electrically connected to the first electrode plate; a swaging terminal in the swaging opening and electrically connected to the second electrode plate; a gasket between the tank and the staked terminal; and a cover plate sealing a lower surface of the can. 提供了一种二次电池，所述二次电池包括：电极组件，包括第一电极板、第二电极板和隔膜；罐，具有封闭的上表面和敞口的下表面，用于容纳电极组件，上表面中有铆接开口，罐电连接到第一电极板；铆接端子，在铆接开口中并且电连接到第二电极板；垫圈，在罐与铆接端子之间；以及盖板，密封罐的下表面。