| 主权项 |
1. A battery pack, including;
at least one unit cell with a top end, the at least one unit cell including a vent hole, and the at least one unit cell including a plurality of unit cells; a pack cover over the top end of the unit cell, the pack cover including a discharge part having a bottom member that is sloped with respect to the top end of the unit cell, the bottom member of the pack cover including an aperture corresponding to the vent hole of the unit cell; and a housing receiving the plurality of unit cells, wherein the bottom member includes:
a first portion that is spaced apart from the top end of the unit cell in a direction oriented away from the unit cell, anda second portion extending from the first portion beyond an outermost edge of the pack cover outward of the housing, the second portion becoming lower relative to the first portion as a distance from the first portion increases, and wherein the bottom member is inclined to have a greatest distance from the top end of one of the unit cells at a center of the plurality of unit cells in a first direction. |
