# US 2021/0280949 A1 · Battery Module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0280949 A1 - Document ID: US20210280949A1 - Status: Published application - Kind: A1 - Application number: 17/053,238 - Filed: 2019-12-02 - Published: 2021-09-09 - Earliest claimed: 2018-12-06 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Hyejin Kim; Doohan Yoon; Jaehun Yang; Junyeob Seong; Jong Woon Choi; Junkyu Park; Youngho Choi - Web page: https://patentgrep.com/patent/US20210280949A1 ## CPC - H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) - H01M 50/505: comprising a single busbar - H01M 50/105: Pouches or flexible bags - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/211: adapted for pouch cells - H01M 50/289: characterised by spacing elements or positioning means within frames, racks or packs (spacing elements inside cells other than separators, membranes or diaphragms H01M50/471) - H01M 50/50: Current conducting connections for cells or batteries - H01M 50/503: characterised by the shape of the interconnectors - H01M 50/529: Intercell connections through partitions, e.g. in a battery casing - H01M 50/533: characterised by the shape of the leads or tabs - H01M 50/593: Spacers; Insulating plates - 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 battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell. ## Claims ### Claim at position 1 1-15. (canceled) ### Claim 16 A battery module comprising: a battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell. ### Claim 17 (depends on 16) The battery module of claim 16, wherein the partition wall has a bent structure. ### Claim 18 (depends on 16) The battery module of claim 16, wherein a plurality of path guiders is formed on the busbar frame, and the partition wall is disposed between two path guiders of the plurality of path guiders located at an outermost part of the busbar frame. ### Claim 19 (depends on 16) The battery module of claim 16, wherein each electrode lead is inserted into a lead slot formed on the busbar frame, and the electrode lead protruding from the cell terrace of the outermost battery cell and an end of the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell are separated by the partition wall. ### Claim 20 (depends on 16) The battery module of claim 16, further comprising a plurality of additional partition walls disposed one by one between path guiders immediately adjacent to each other among a plurality of path guiders formed on the busbar frame. ### Claim 21 (depends on 20) The battery module of claim 20, wherein among the battery cells included in the battery cell stack, a bent angle of each partition wall of the plurality of partition walls gradually decreases from the outermost battery cell to a central battery cell of the plurality of battery cells. ### Claim 22 (depends on 16) The battery module of claim 16, wherein both a polarity of the electrode lead protruding from the cell terrace protruding from the outermost battery cell and a polarity of the electrode lead protruding from the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell are negative. ### Claim 23 (depends on 22) The battery module of claim 22, wherein an interval between the cell terrace protruding from the cute most battery cell and the cell terrace protruding from battery cell immediately adjacent to the outermost battery cell becomes gradually narrower along a direction in which the electrode leads protrude. ### Claim 24 (depends on 23) The battery module of claim 23, wherein a bent structure of the outermost partition wall is folded in a direction in which the interval between the cell terrace protruding from the outermost battery cell and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell becomes narrower. ### Claim 25 (depends on 16) The battery module of claim 16, wherein the electrode leads immediately adjacent to each other with the partition wall being interposed therebetween pass through a lead slot formed on the busbar frame and meet and connect at a rear surface of the busbar frame. ### Claim 26 (depends on 16) The battery module of claim 16, wherein the cell terrace protruding from the outermost battery cell is bent more than the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell. ### Claim 27 (depends on 16) The battery module of claim 16, wherein each electrode lead is inserted into a lead slot formed on the busbar frame, and an end of any one of the cell terraces, and the electrode lead connected to an end of the immediately adjacent cell terrace are separated by the partition wall. ### Claim 28 (depends on 16) The battery module of claim 16, wherein an interval between the cell terraces in which the electrode leads having the same polarity as each other protrude among the cell terraces becomes narrower along a direction in which the electrode leads protrude. ### Claim 29 (depends on 16) A battery pack comprising the battery module according to claim 16. ### Claim 30 (depends on 29) A device comprising the battery pack according to claim 29.