# US 2019/0245169 A1 · Battery module, battery pack including battery module, and vehicle including battery pack > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0245169 A1 - Document ID: US20190245169A1 - Status: Published application - Kind: A1 - Application number: 16/337,761 - Filed: 2018-04-13 - Published: 2019-08-08 - Earliest claimed: 2017-06-27 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Su-Chang KIM; Dal-Mo KANG; Jeong-O MUN; Jae-Uk RYU; Ji-Su YOON - Web page: https://patentgrep.com/patent/US20190245169A1 ## CPC - B60K 6/28: characterised by the electric energy storing means, e.g. batteries or capacitors - H01M 50/24: adapted for protecting batteries from their environment, e.g. from corrosion (thermal insulation H01M10/658) - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) - 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 50/271: Lids or covers for the racks or secondary casings - H01M 50/287: Fixing of circuit boards to lids or covers - H01M 50/50: Current conducting connections for cells or batteries - H01M 50/503: characterised by the shape of the interconnectors - H01M 50/505: comprising a single busbar - H01M 50/519: comprising printed circuit boards [PCB] - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - 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 - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A battery module includes plurality of battery cells, a cell housing configured to accommodate the plurality of battery cells and a cover housing configured to cover an upper side of the cell housing. The cover housing includes an upper cover configured to form an upper portion of the cover housing, a lower cover bolt-coupled to the upper cover and disposed at the upper side of the cell housing and a bus bar unit disposed between the lower cover and the upper cover, electrically connected to electrodes of the plurality of battery cells, and sealing-coupled to at least one of the upper cover and the lower cover. ## Claims ### Claim 1 A battery module, comprising: a plurality of battery cells; a cell housing configured to accommodate the plurality of battery cells; and a cover housing configured to cover an upper side of the cell housing, wherein the cover housing includes: an upper cover configured to form an upper portion of the cover housing; a lower cover bolt-coupled to the upper cover and disposed at the upper side of the cell housing; and a bus bar disposed between the lower cover and the upper cover, electrically connected to electrodes of the plurality of battery cells, and sealing-coupled to at least one of the upper cover and the lower cover. ### Claim 2 (depends on 1) The battery module according to claim 1, wherein the bus bar includes: a bus bar body having an electrode connector connected to the electrodes of the plurality of battery cells and a terminal connector configured to be connected to an external high current terminal; and a bus bar sealing portion configured to surround rims of the bus bar body and the terminal connector and sealing-coupled to the upper cover. ### Claim 3 (depends on 2) The battery module according to claim 2, wherein the upper cover includes: a cover plate bolt-coupled to the lower cover, configured to cover an upper side of the bus bar and having a connector exposing opening for exposing the terminal connector; and a cover sealing portion provided at a bottom surface of the cover plate and sealing-coupled to the bus bar sealing portion. ### Claim 4 (depends on 3) The battery module according to claim 3, wherein the bus bar sealing portion and the cover sealing portion are hook-coupled to each other. ### Claim 5 (depends on 3) The battery module according to claim 3, wherein the bus bar sealing portion and the cover sealing portion are made of a compressible material that allows resilient deformation. ### Claim 6 (depends on 3) The battery module according to claim 3, wherein the lower cover has a bus bar placing groove for forming an opening to connect the electrodes of the battery cells to the electrode connector and placed placing the bus bar body therein. ### Claim 7 (depends on 6) The battery module according to claim 6, wherein the bus bar placing groove has a fixing portion for fixing the bus bar sealing portion. ### Claim 8 (depends on 3) The battery module according to claim 3, wherein the bolt-coupling is performed out of the bus bar sealing portion and the cover sealing portion. ### Claim 9 (depends on 2) The battery module according to claim 2, wherein the bus bar body is made of a flexible printed circuit board. ### Claim 10 (depends on 1) A battery pack, comprising: at least one battery module defined in claim 1; and a pack case configured to package the at least one battery module. ### Claim 11 (depends on 10) A vehicle, comprising: at least one battery pack defined in claim 10.