BATTERY SYSTEM WITH MEASURES AGAINST PARTICLE DEPOSITION ON CRITICAL SECTIONS DURING THERMAL RUNAWAY

A battery module includes: a battery cell stack including a plurality of battery cells stacked along a first direction, each including a case including first and second terminals and a venting outlet therebetween in a terminal side of the case; and a first battery module management unit comprising a first battery module management housing having a base portion and first and second leg portions. The base portion is arranged in front of a first battery cell of the battery cell stack. The first leg portion protrudes from the base portion to cover the first terminal of the first battery cell, and the second leg portion protrudes from the base portion to cover the second terminal of the first battery cell. The venting outlet of the first battery cell is positioned in a gap between the first and second leg portions.