# US 12,603,378 B2 · Battery connector head with gasket for battery module, battery pack, and vehicle including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,378 B2 - Document ID: US12603378B2 - Status: Granted - Kind: B2 - Application number: 18/033,147 - Filed: 2022-09-22 - Published: 2023-11-30 - Granted: 2026-04-14 - Earliest claimed: 2021-10-08 - Assignees: LG Energy Solution, Ltd. - Applicants: LG Energy Solution, Ltd. - Inventors: Chang-Hun Lee - Web page: https://patentgrep.com/patent/US12603378B2 ## CPC - H01M 50/296: characterised by terminals of battery packs (terminals of batteries H01M50/543) - H01R 13/748: {using one or more screws (H01R13/746 takes precedence)} - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - H01M 50/143: Fireproof; Explosion-proof - H01M 50/262: with fastening means, e.g. locks - H01M 50/383: Flame arresting or ignition-preventing means - H01R 13/5202: {Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings} - H01R 13/5216: {characterised by the sealing material, e.g. gels or resins} - H01R 13/5219: {Sealing means between coupling parts, e.g. interfacial seal} - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 2200/20: Pressure-sensitive devices - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - H01R 2201/26: for vehicles - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery module includes a cell assembly including at least one battery cell, a module case in which the cell assembly is accommodated, and a connector mounted on the module case. The connector includes a connector terminal for electrical connection with the battery cell, a connector housing surrounding the connector terminal, a connector header body coupled to the connector housing and mounted on the module case in such a manner that at least a part of the connector header body is inserted into the module case, and a connector gasket located between the module case and the connector header body and having a melting point of 1000° C. or higher. ## Claims ### Claim 1 A battery module comprising: a cell assembly comprising at least one battery cell; a module case in which the cell assembly is accommodated; and a connector mounted on the module case, wherein the connector comprises: a connector terminal for electrical connection with the at least one battery cell; a connector housing surrounding the connector terminal; a connector header body coupled to the connector housing and mounted on the module case so that at least a part of the connector header body is in the module case; and a connector gasket located between the module case and the connector header body, the connector gasket having a melting point of 1000° C. or higher, wherein the connector gasket extends from an outer surface of the connector housing and contacts a side surface of the connector header body. ### Claim 2 (depends on 1) The battery module according to claim 1, wherein an opening is formed in the module case, and the connector header body is in surface contact with the module case via the connector gasket to keep the opening airtight. ### Claim 3 (depends on 2) The battery module according to claim 2, wherein the connector gasket has a frame shape with a central opening of a same size as a size of the opening. ### Claim 4 (depends on 2) The battery module according to claim 2, wherein the connector gasket and the connector header body are fastened to the module case with a bolt. ### Claim 5 (depends on 1) The battery module according to claim 1, wherein the connector gasket is a silicone gasket. ### Claim 6 (depends on 1) The battery module according to claim 1, wherein the connector header body is formed of a ceramic or metal material with a melting point of 1000° C. or higher. ### Claim 7 (depends on 1) The battery module according to claim 1, wherein the connector housing is coupled to the connector header body by press-fitting. ### Claim 8 (depends on 1) A battery pack comprising: at least one battery module according to claim 1; and a pack case for packaging the at least one battery module. ### 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 connector housing extends from a side surface of the connector header body, and wherein the connector gasket directly contacts the outer surface of the connector housing and directly contacts the side surface of the connector header body. ### Claim 11 (depends on 1) The battery module according to claim 1, wherein the connector gasket extends to a top edge and a bottom edge of the connector header body. ### Claim 12 (depends on 1) The battery module according to claim 1, wherein the connector gasket has a central aperture having a shape corresponding to a shape of the connector housing. ### Claim 13 (depends on 12) The battery module according to claim 12, wherein the connector gasket has an outer perimeter having a shape corresponding to a shape of the connector header body.