Battery module with reinforced safety

A battery module, comprising:

• a cell assembly having a plurality of battery cells stacked in a first direction, each battery cell having a battery case and an electrode assembly in the battery case, the battery case having a front end sealing portion and a rear end sealing portion and a top sealing portion extending between the front end sealing portion and the rear end sealing portion and having at least one taping member attached to the top sealing portion of each of the plurality of battery cells, an area of the top sealing portion not having the at least one taping member being an unattached region;
• a module case configured accommodate the cell assembly in an inner space thereof;
• and
• a plurality of top holes formed at an upper side of the module case,
• wherein the plurality of top holes are arranged in rows spaced from each other in a first direction, wherein top holes of adjacent rows are offset from each other so as not to be aligned in the first direction so that a portion of each of the plurality of battery cells is exposed,
• wherein the at least one taping member is a plurality of taping members, and
• wherein the plurality of taping members are attached with different bonding strengths.