Battery module

Abstract

Battery module (1) comprising: at least one sub-module (10) containing a plurality of battery cells (1000); a top cover (20) covering the at least one sub-module (10) and containing a venting section (25);and a lower cover (40) supporting the at least one sub-module (10), each of the plurality of battery cells (1000) comprising an electrode receiving section (1110) receiving an electrode assembly (1200) and a terrace section (1120a) on which an electrode supply line (1210) connected to the electrode assembly (1200) is arranged, the upper cover (20) comprising a first area (20a) arranged above the electrode receiving section (1110) and a second area (20b) comprising an area arranged above the terrace section (1120a) and connected to the first area (20a), and the venting section (25) comprising a first venting section (21) arranged in the first area (20a) and a second venting section (22) having at least one section arranged in the second area (20b). is, contains;