Battery Module, and Battery Pack and Vehicle Comprising Same

A battery module comprising:

• a plurality of battery cells, each battery cell including an electrode lead that extends in a horizontal direction from a front side of the respective battery cell, each electrode lead having at least one bent part, wherein the electrode leads of adjacent pairs of the battery cells in surface contact with each other;
• and
• a plurality of lead cartridges, each lead cartridge including two post parts disposed at opposite ends of the electrode leads of one of the adjacent pairs of the battery cells, a plate-shaped partition part extending in a vertical direction and in a horizontal direction between the two post parts and having a receiving space in which the electrode leads of the one of the adjacent pairs of the battery cells are received inside, and a first spacer part that protrudes forward from a top of the partition part, the first spacer part being configured to space the electrode leads of the one of the adjacent pairs of the battery cells from the electrode leads of other ones of the battery cells.