← EPO Patent Bulletin

BATTERY MODULE AND BATTERY PACK WITH REINFORCED SAFETY

Publication EP4712245A1 Kind: A1 Mar 18, 2026

Applicants

LG Energy Solution, Ltd.

Inventors

KIM, Kwang-Mo, SEONG, Jun-Yeob, JUNG, Hye-Mi

Abstract

Disclosed is a battery module with an improved safety by appropriately controlling venting when a thermal event occurs inside the battery module. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed therein to discharge a venting gas generated from the cell assembly; and a venting unit provided at an outer side of the module case and having a venting channel so that the venting gas discharged from the venting hole is introduced therein and discharged to the outside, the venting unit having a protrusion configured to protrude toward an outer surface of the module case from the inside of the venting channel.

IPC Classifications

H01M 50/358 20210101AFI20260209BHEP H01M 50/383 20210101ALI20260209BHEP H01M 50/249 20210101ALI20260209BHEP H01M 10/6566 20140101ALI20260209BHEP H01M 10/613 20140101ALI20260209BHEP H01M 10/625 20140101ALI20260209BHEP H01M 50/367 20210101ALI20260209BHEP H01M 50/211 20210101ALI20260209BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR