# US 2021/0280937 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 2021/0280937 A1 - Document ID: US20210280937A1 - Status: Published application - Kind: A1 - Application number: 17/193,133 - Filed: 2021-03-05 - Published: 2021-09-09 - Earliest claimed: 2020-03-05 - Assignees: SK Innovation Co., Ltd. - Applicants: SK Innovation Co., Ltd. - Inventors: Seo Roh RHEE; Seung Hoon JU; Sol San SON; Ha Chul JEONG; Yang Kyu CHOI; Ha Neul CHOI - Web page: https://patentgrep.com/patent/US20210280937A1 ## CPC - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - 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 50/231: having a layered structure - 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 50/3425: {in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member} - H01M 50/358: External gas exhaust passages located on the battery cover or case - H01M 50/572: Means for preventing undesired use or discharge - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 50/233: characterised by physical properties of casings or racks, e.g. dimensions - H01M 2200/00: Safety devices for primary or secondary batteries - H01M 2200/10: Temperature sensitive devices - H01M 2200/20: Pressure-sensitive devices - 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 secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path. ## Claims ### Claim 1 A battery module comprising: a plurality of secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path. ### Claim 2 (depends on 1) The battery module of claim 1, wherein the plate member includes: a first plate portion disposed on one side thereof; a second plate portion disposed to be spaced apart from the first plate portion at a predetermined interval to form a hollow portion between the first plate portion and the second plate portion; and a core portion provided in the hollow portion and forming the flame or gas path. ### Claim 3 (depends on 2) The battery module of claim 2, wherein the core portion is formed in a pattern in which a unit column portion is a form of a hollow polygonal column is repeated. ### Claim 4 (depends on 3) The battery module of claim 3, wherein the unit column portion has opening portions formed in at least two column surfaces thereof. ### Claim 5 (depends on 3) The battery module of claim 3, wherein the unit column portion has a first opening portion formed adjacent to the first plate portion and a second opening portion formed adjacent to the second plate portion to form the flame or gas path in a zigzag form. ### Claim 6 (depends on 2) The battery module of claim 2, wherein the second plate portion has an entrance portion formed to allow the hollow portion to communicate with the internal space in which the secondary battery cells are accommodated. ### Claim 7 (depends on 6) The battery module of claim 6, wherein the plate member includes an opening/closing plate portion connected to the second plate portion and opening or closing the entrance portion. ### Claim 8 (depends on 7) The battery module of claim 7, wherein the opening/closing plate portion is formed to be broken by heat or pressure caused by an explosion of any one of the secondary battery cells. ### Claim 9 (depends on 7) The battery module of claim 7, wherein one end of the opening/closing plate portion is hinge-coupled to the second plate portion so that the opening/closing plate portion is rotated in a direction toward the hollow portion by pressure caused by an explosion of any one of the secondary battery cells to open the entrance portion. ### Claim 10 (depends on 2) The battery module of claim 2, wherein the plate member includes an accommodation member accommodated in the hollow portion and formed of a material for performing at least one of an extinguishing function, a heat absorption function, and a fire resistance function. ### Claim 11 (depends on 2) The battery module of claim 2, wherein the first plate portion has a discharge portion formed to discharge a flame or gas entering the hollow portion to the outside of the hollow portion. ### Claim 12 (depends on 1) The battery module of claim 1, wherein the housing unit includes: a bottom member on which the plurality of secondary battery cells are seated; sidewall members provided at edges of the bottom member; and a cover member provided on upper ends of the sidewall members, and the plate member is provided for at least one of the bottom member, the sidewall members, and the cover member. ### Claim 13 (depends on 1) The battery module of claim 1, wherein the housing unit includes a partition member disposed in the internal space to divide the internal space, and the plate member is provided for the partition member.