# US 11,114,710 B2 · 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 11,114,710 B2 - Document ID: US11114710B2 - Status: Granted - Kind: B2 - Application number: 16/622,076 - Filed: 2019-02-18 - Published: 2020-06-18 - Granted: 2021-09-07 - Earliest claimed: 2018-03-21 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Sung-Won Seo; Dal-Mo Kang; Jeong-O Mun; Yoon-Koo Lee; Alexander Eichhorn; Andreas Track - Web page: https://patentgrep.com/patent/US11114710B2 ## CPC - H01M 10/613: Cooling or keeping cold - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 10/625: Vehicles - H01M 10/6551: Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings - H01M 10/6567: Liquids - H01M 10/658: by thermal insulation or shielding - H01M 50/211: adapted for pouch cells - H01M 50/50: Current conducting connections for cells or batteries - H01M 50/507: comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules - H01M 50/569: Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals (battery terminal connectors with integrated measuring arrangements G01R31/364) - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery module includes: a plurality of battery cells; a top plate configured to cover an upper side of the battery cells; a bottom plate configured to cover a lower side of the battery cells; a pair of side plates configured to cover both side surfaces of the battery cells; a bus bar unit configured to cover a front side and a rear side of the battery cells, the bus bar being electrically connected to the battery cells; and a pair of heatsinks each having a coolant injection portion and a coolant discharge portion protruding out of the battery module. The pair of heat sinks are provided at the upper side and the lower side of the battery cells, respectively. ## Claims ### Claim 1 A battery module, comprising: a plurality of battery cells; a top plate configured to cover an upper side of the battery cells; a bottom plate disposed opposite to the top plate to cover a lower side of the battery cells; a pair of side plates configured to connect the bottom plate and the top plate and to cover both side surfaces of the battery cells; a bus bar unit connected to the pair of side plates and configured to cover a front side and a rear side of the battery cells, the bus bar unit being electrically connected to the battery cells; and a pair of heatsinks each having a coolant injection portion and a coolant discharge portion protruding out of the battery module, the pair of heat sinks being provided at the upper side and the lower side of the battery cells, respectively. ### Claim 2 (depends on 1) The battery module according to claim 1, wherein the pair of heatsinks includes: a first heatsink disposed between the upper side of the battery cells and the top plate; and a second heatsink disposed between the lower side of the battery cells and the bottom plate. ### Claim 3 (depends on 2) The battery module according to claim 2, wherein the first heatsink and the second heatsink each have a coolant channel therein for allowing a coolant to flow therein between the respective coolant injection portion and the respective coolant discharge portion. ### Claim 4 (depends on 2) The battery module according to claim 2, further comprising: a first insulation pad provided between the first heatsink and the top plate; and a second insulation pad provided between the second heatsink and the bottom plate. ### Claim 5 (depends on 2) The battery module according to claim 2, further comprising: a first heat transfer plate provided between the first heatsink and the battery cells and a second heat transfer plate provided between the second heatsink and the battery cells. ### Claim 6 (depends on 1) The battery module according to claim 1, further comprising: a pair of insulation plates, each one of the pair of insulation plates being provided between one of the pair of side plates and a respective one of the side surfaces of the battery cells. ### Claim 7 (depends on 6) The battery module according to claim 6, wherein the bus bar unit includes: a front bus bar body disposed at the front side of the battery cells; a rear bus bar body disposed at the rear side of the battery cells; and a pair of sensing wire members electrically connecting the front bus bar body and the rear bus bar body, wherein each of the pair of sensing wire members is provided between one of the pair of insulation plates and a respective one of the side plates. ### Claim 8 (depends on 1) The battery module according to claim 1, wherein the coolant injection portion and the coolant discharge portion protrude out of the bus bar unit at a front side of the battery module. ### Claim 9 (depends on 1) The battery module according to claim 1, wherein the coolant injection portion and the coolant discharge portion protrude out of the top plate at one side of the battery module. ### Claim 10 (depends on 9) The battery module according to claim 9, wherein the coolant injection portion and the coolant discharge portion protrude out through a guide groove formed in the top plate. ### Claim 11 (depends on 1) A battery pack, comprising: at least one battery module according to claim 1; and a pack case configured to receive the at least one battery module therein. ### Claim 12 (depends on 11) A vehicle, comprising: at least one battery pack according to claim 11. ### Claim 13 (depends on 1) The battery module according to claim 1, wherein the bus bar unit includes: a front bus bar body disposed at the front side of the battery cells; and a rear bus bar body disposed at the rear side of the battery cells. ### Claim 14 (depends on 13) The battery module according to claim 13, wherein the bus bar unit includes: a sensing wire member electrically connecting the front bus bar body and the rear bus bar body.