# US 2021/0242525 A1 · Battery Module Comprising Module Housing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0242525 A1 - Document ID: US20210242525A1 - Status: Published application - Kind: A1 - Application number: 16/973,250 - Filed: 2019-10-23 - Published: 2021-08-05 - Earliest claimed: 2018-11-12 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Seung-Yoon Lee; Yong-Il Kim; Yong-Seok Choi - Web page: https://patentgrep.com/patent/US20210242525A1 ## CPC - H01M 50/244: Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/211: adapted for pouch cells - 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 50/262: with fastening means, e.g. locks - 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 module housing with a simplified assembling process and an improved energy density. The battery module includes a battery assembly configured to include a plurality of secondary batteries and has front, rear, upper, lower, left and right sides; and a module housing including a first frame located at the left side of the battery assembly and having a plate shape with opposing ends bent rightward so that bent portions thereof are respectively located at the upper side and the lower side of the battery assembly, and a second frame located at the right side of the battery assembly and having a plate shape with opposing ends bent leftward so that bent portions thereof are respectively located at the upper side and the lower side of the battery assembly and are coupled with the bent portions of the first frame, respectively. ## Claims ### Claim 1 A battery module, comprising: a battery assembly configured to include a plurality of secondary batteries and have a front side, a rear side, an upper side, a lower side, a left side and a right side; and a module housing including a first frame located at the left side of the battery assembly and having a plate shape with opposing ends bent rightward so that bent portions of the opposing ends of the first frame are respectively located at the upper side and the lower side of the battery assembly to surround at least a portion of each of the upper side and the lower side of the battery assembly, and a second frame located at the right side of the battery assembly and having a plate shape with opposing ends bent leftward so that bent portions of the opposing ends of the second frame are respectively located at the upper side and the lower side of the battery assembly to surround at least a portion of each of the upper side and the lower side of the battery assembly and are coupled with the bent portions of the first frame, respectively. ### Claim 2 (depends on 1) The battery module according to claim 1, wherein ends of the bent portions of the first frame are overlapped with ends of the bent portions of the second frame, respectively. ### Claim 3 (depends on 2) The battery module according to claim 2, wherein a male-female coupling unit having a male-female coupling structure is respectively provided to the overlapped ends of the bent portions of the first frame and the second frame to restrict movement of the first frame and the second frame relative to each other. ### Claim 4 (depends on 3) The battery module according to claim 3, wherein a welding coupling unit is respectively provided to the overlapped ends of the bent portions of the first frame and the second frame so that the first frame and the second frame are coupled to each other by welding. ### Claim 5 (depends on 3) The battery module according to claim 3, wherein a fixing clip is added to the male-female coupling unit so as to be fitted into the male-female coupling structure. ### Claim 6 (depends on 3) The battery module according to claim 3, wherein the male-female coupling unit has a fixing hole perforated in the male-female coupling structure of the first frame and the second frame, and a fixing bolt inserted through the fixing hole. ### Claim 7 (depends on 1) The battery module according to claim 1, wherein at least one of the first frame and the second frame has a guide protrusion formed at an inner surface thereof facing the battery assembly in an inwardly protruding form to press one side of the plurality of secondary batteries. ### Claim 8 (depends on 1) The battery module according to claim 1, wherein a thermal conductive adhesive is added to an inner surface of at least one of the first frame and the second frame so as to be bonded and fixed to the plurality of secondary batteries. ### Claim 9 (depends on 1) The battery module according to claim 1, wherein an inner wall is formed at an inner side of the first frame or the second frame to extend from an inner upper portion to an inner lower portion thereof. ### Claim 10 (depends on 1) A battery pack, comprising two or more of the battery modules according to claim 1. ### Claim 11 (depends on 10) A vehicle, comprising the battery pack according to claim 10. ### Claim 12 (depends on 3) The battery module according to claim 3, wherein the male-female coupling structure includes a first convex structure protruding outward at the end of the bent portion of the first frame and a second convex structure protruding outward at the end of the bent portion of the second frame. ### Claim 13 (depends on 12) The battery module according to claim 12, wherein the first convex structure includes an opening formed at one side thereof, and the second convex structure has a protrusion configured to be inserted into the opening of the first convex structure.