# US 12,763,407 B2 · Battery module, battery pack comprising the same and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,763,407 B2 - Document ID: US12763407B2 - Status: Granted - Kind: B2 - Application number: 17/767,669 - Filed: 2021-05-07 - Published: 2024-03-28 - Granted: 2026-10-13 - Earliest claimed: 2020-05-22 - Assignees: LG Energy Solution, Ltd. - Applicants: LG Energy Solution, Ltd. - Inventors: Sang-Woo Ryu; Jee-Soon Choi; Dal-Mo Kang; Yong-Seok Choi - Web page: https://patentgrep.com/patent/US12763407B2 ## CPC - H01M 50/143: Fireproof; Explosion-proof - H01M 50/211: adapted for pouch cells - H01M 50/375: Vent means sensitive to or responsive to temperature - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY ## Abstract A battery module includes at least one cell assembly including a plurality of secondary batteries, a gas pipe configured to allow gas produced in a module housing to move therein, and the module housing including a lower case having one open side and an internal space in which the at least one cell assembly is received, and an upper case coupled to one side of the lower case to cover the one open side of the lower case and having a receiving space in which the gas pipe is received, and a connection hole to which one end of the gas pipe is connected such that the gas pipe and the internal space are in communication with each other. ## Claims ### Claim 1 A battery module, comprising: at least one cell assembly including a plurality of secondary batteries; a gas pipe configured to allow produced gas to move; and a module housing including: a lower case having one open side and an internal space in which the at least one cell assembly is received, an upper case coupled to one side of the lower case in a vertical direction to cover the open side of the lower case and having a receiving space in which the gas pipe is received, and a first connection hole formed in the upper case such that the gas pipe and the internal space are in communication with each other, wherein the gas pipe includes: a first connector extending in the vertical direction, the first connector having a top wall and a sidewall; and a first pipe which extends in a horizontal direction and has a first end releasably connected with the sidewall of the first connector, wherein the first connector is retained in the first connection hole, and wherein the first connector has four insertion holes spaced around a perimeter of the first connector. ### Claim 2 (depends on 1) The battery module according to claim 1, wherein the first connector includes: an insertion hole in the sidewall into which the first end of the first pipe is inserted, and a sealing member configured to open the insertion hole when the first pipe is inserted into the insertion hole, and close the insertion hole when the first pipe is not inserted into the insertion hole. ### Claim 3 (depends on 2) The battery module according to claim 2, wherein the sealing member includes at least two sealing portions disposed in the insertion hole, wherein the at least two sealing portions are configured to come into contact with each other to close the insertion hole when the first pipe is not inserted into the insertion hole, and wherein the at least two sealing portions are configured to spread apart to open the insertion hole when the end of the first pipe is inserted. ### Claim 4 (depends on 1) The battery module according to claim 1, wherein the upper case has one open side of the receiving space, and wherein the battery module further comprises: a top plate coupled with the upper case to cover the open side of the receiving space of the upper case, and having an outlet connected with the gas pipe to release gas to outside. ### Claim 5 (depends on 4) The battery module according to claim 4, wherein the upper case includes a first fixing groove recessed in an inward direction, into which the first connector is inserted, and the top plate includes a second fixing groove recessed in the inward direction, into which a second end of the first connector in the vertical direction is inserted. ### Claim 6 (depends on 1) The battery module according to claim 1, wherein the gas pipe is configured to have an adjustable length according to gas explosive power of the at least one cell assembly. ### Claim 7 (depends on 6) The battery module according to claim 6, wherein the gas pipe includes a plurality of interruption protrusions configured to interrupt movement of gas in a movement space in which the gas moves. ### Claim 8 (depends on 1) A battery pack comprising at least one battery module according to claim 1. ### Claim 9 (depends on 8) A vehicle comprising at least one battery pack according to claim 8. ### Claim 10 (depends on 1) The battery module according to claim 1, wherein the upper case has a first fixing groove recessed in an inward direction into which a first end of the first connector is inserted in a vertical direction. ### Claim 11 (depends on 1) The battery module according to claim 1, wherein a second end of the first pipe releasably connects to a sidewall of a second connector extending from a second connection hole formed in the upper case. ### Claim 12 (depends on 1) The battery module according to claim 1, further comprising a second pipe connected to the sidewall of the first connector. ### Claim 13 (depends on 12) The battery module according to claim 12, wherein the second pipe is perpendicular to the first pipe. ### Claim 14 (depends on 1) The battery module according to claim 1, wherein the first connection hole extends in the vertical direction. ### Claim 15 (depends on 1) The battery module according to claim 1, wherein the first connector is a cylinder having a single sidewall.