Battery module having overcharge preventing device, and overcharge preventing device for battery module

摘要

The present invention relates to a battery module mounted with an overcharge preventing device, and an overcharge preventing device for a battery module. The battery module mounted with an overcharge preventing device of the present invention includes: a battery cell including a first battery cell and a second battery cell, which are spaced apart from each other; and an overcharge preventing device inserted and disposed between the first battery cell and the second battery cell, and configured to block power supplied to the battery cell when the battery cell is expanded according to overcharge, in which the overcharge preventing device is configured as one module separately from the battery cell, and is replaceably disposed between the first battery cell and the second battery cell, which are spaced apart from each other.