BATTERY CELL AND CAP ASSEMBLY PROVIDED THEREIN

A battery cell is disclosed. In some implementations, the battery cell includes: an electrode assembly; a cell case accommodating the electrode assembly; a cap plate covering an open end of the cell case and including at least one through-hole; and a terminal assembly coupled to the cap plate, wherein the terminal assembly includes a terminal electrically connected to the electrode assembly, a bracket disposed around the terminal in a lateral direction of the terminal assembly, and an insulating member disposed between the terminal and the bracket, the cap plate includes a stepped portion formed around the through-hole on a surface of the cap plate facing the electrode assembly, and at least a portion of the bracket is disposed on the stepped portion and coupled to an inner surface of the cap plate.