# US 12,119,502 B2 · Battery column, battery module, and apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,502 B2 - Document ID: US12119502B2 - Status: Granted - Kind: B2 - Application number: 17/614,367 - Filed: 2020-11-13 - Published: 2022-08-04 - Granted: 2024-10-15 - Earliest claimed: 2019-11-20 - Assignees: Contemporary Amperex Technology (Hong Kong) Limited - Applicants: Contemporary Amperex Technology (Hong Kong) Limited - Inventors: Xinxiang Chen; Yulian Zheng; Shoujun Huang; Huasheng Su; Xiang Li; Peng Wang - Web page: https://patentgrep.com/patent/US12119502B2 ## CPC - H01M 50/121: Organic material - B60K 1/04: of the electric storage means for propulsion - H01M 10/658: by thermal insulation or shielding - H01M 50/103: prismatic or rectangular (H01M50/109, H01M50/11 take precedence) - H01M 50/119: Metals - H01M 50/1245: {characterised by the external coating on the casing} - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/293: characterised by the material - B60K 2001/0438: {Arrangement under the floor} - 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 - 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 - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Embodiments of this application provide a battery column, a battery module, and an apparatus. The battery column includes a housing, and first battery cells and second battery cells that are alternately distributed side by side along a first direction in the housing, where the first battery cell includes a first metal case and a first insulating film, the first metal case has two first side surfaces disposed opposite each other along the first direction, and the first insulating film covers at least the two first side surfaces; and the second battery cell includes a second metal case, which is exposed in the housing. ## Claims ### Claim 1 A battery column, comprising: a housing, and a plurality of first battery cells and a plurality of second battery cells that are alternately distributed side by side along a first direction in the housing, wherein each first battery cell comprises a first metal case and a first insulating film, the first metal case has two first side surfaces disposed opposite each other along the first direction, and the first insulating film covers at least the two first side surfaces; each second battery cell comprises a second metal case, which is exposed in the housing; and the first metal case further comprises two second side surfaces disposed opposite each other along a second direction, the two second side surfaces are connected between the two first side surfaces, and the first insulating film covers at least part of the two second side surfaces. ### Claim 2 (depends on 1) The battery column according to claim 1, wherein the first metal case further comprises a bottom surface connected between the two first side surfaces, and the first insulating film covers at least part of the bottom surface. ### Claim 3 (depends on 1) The battery column according to claim 1, wherein the first insulating film is made of a material selected from at least one of low density polyethylene, high density polyethylene, polypropylene, polyethylene, polyethylene terephthalate, polycarbonate, and polyarylate. ### Claim 4 (depends on 1) The battery column according to claim 1, wherein the second metal case and the first insulating film are directly bonded by using glue. ### Claim 5 (depends on 1) The battery column according to claim 1, further comprising a heat insulation pad, wherein the heat insulation pad is disposed between adjacent first and second battery cells; the heat insulation pad is directly bonded to the second metal case by using glue; or the heat insulation pad is in direct contact with the second metal case. ### Claim 6 (depends on 1) The battery column according to claim 1, wherein the housing comprises two side plates disposed opposite each other along a second direction, the second direction intersects the first direction, the plurality of first battery cells and the plurality of second battery cells are disposed between the two side plates, each of the two side plate are provided with a second insulating film on an inner surface facing toward the housing, the second insulating film is an insulating film layer attached to the inner surface of each one of the two side plates, or an adhesive layer coated on the inner surface of each one of the two side plates; and the second metal case is directly connected to the second insulating film. ### Claim 7 (depends on 1) The battery column according to claim 1, wherein the housing comprises a base plate, and the base plate is provided with a third insulating film on an inner surface facing toward the housing, wherein the third insulating film is an insulating film layer attached to the inner surface of the base plate, or an adhesive layer coated on the inner surface of the base plate; and the second metal case is directly connected to the third insulating film. ### Claim 8 A battery module, comprising at least one battery column, wherein the battery column comprises: a housing, a plurality of first battery cells and a plurality of second battery cells that are alternately distributed side by side along a first direction in the housing, and a heat insulation pad, wherein each first battery cell comprises a first metal case and a first insulating film, the first metal case has two first side surfaces disposed opposite each other along the first direction, and the first insulating film covers at least the two first side surfaces; each second battery cell comprises a second metal case, which is exposed in the housing; and the heat insulation pad is disposed between adjacent first and second battery cells; the heat insulation pad is directly bonded to the second metal case by using glue; or the heat insulation pad is in direct contact with the second metal case. ### Claim 9 An apparatus using a battery column as a power source, wherein the battery column comprises: a housing, and a plurality of first battery cells and a plurality of second battery cells that are alternately distributed side by side along a first direction in the housing, wherein each first battery cell comprises a first metal case and a first insulating film, the first metal case has two first side surfaces disposed opposite each other along the first direction, and the first insulating film covers at least the two first side surfaces; each second battery cell comprises a second metal case, which is exposed in the housing; and the housing comprises a base plate, and the base plate is provided with a third insulating film on an inner surface facing toward the housing, wherein the third insulating film is an insulating film layer attached to the inner surface of the base plate, or an adhesive layer coated on the inner surface of the base plate; and the second metal case is directly connected to the third insulating film. ### Claim 10 (depends on 1) The battery column according to claim 1, wherein the first metal case further comprises a bottom surface connected between the two first side surfaces, and the first insulating film covers at least part of the bottom surface. ### Claim 11 (depends on 8) The battery module according to claim 8, wherein the first metal case further comprises two second side surfaces disposed opposite each other along a second direction, the two second side surfaces are connected between the two first side surfaces, and the first insulating film covers at least part of the two second side surfaces. ### Claim 12 (depends on 8) The battery module according to claim 8, wherein the first metal case further comprises a bottom surface connected between the two first side surfaces, and the first insulating film covers at least part of the bottom surface. ### Claim 13 (depends on 11) The battery module according to claim 11, wherein the first metal case further comprises a bottom surface connected between the two first side surfaces, and the first insulating film covers at least part of the bottom surface. ### Claim 14 (depends on 8) The battery module according to claim 8, wherein the first insulating film is made of a material selected from at least one of low density polyethylene, high density polyethylene, polypropylene, polyethylene, polyethylene terephthalate, polycarbonate, and polyarylate. ### Claim 15 (depends on 8) The battery module according to claim 8, wherein the second metal case and the first insulating film are directly bonded by using glue. ### Claim 16 (depends on 8) The battery module according to claim 8, wherein the housing comprises two side plates disposed opposite each other along a second direction, the second direction intersects the first direction, the plurality of first battery cells and the plurality of second battery cells are disposed between the two side plates, each of the two side plate are provided with a second insulating film on an inner surface facing toward the housing, the second insulating film is an insulating film layer attached to the inner surface of each one of the two side plates, or an adhesive layer coated on the inner surface of each one of the two side plates; and the second metal case is directly connected to the second insulating film. ### Claim 17 (depends on 8) The battery module according to claim 8, wherein the housing comprises a base plate, and the base plate is provided with a third insulating film on an inner surface facing toward the housing, wherein the third insulating film is an insulating film layer attached to the inner surface of the base plate, or an adhesive layer coated on the inner surface of the base plate; and the second metal case is directly connected to the third insulating film. ### Claim 18 (depends on 9) The apparatus to claim 9, wherein the first metal case further comprises two second side surfaces disposed opposite each other along a second direction, the two second side surfaces are connected between the two first side surfaces, and the first insulating film covers at least part of the two second side surfaces. ### Claim 19 (depends on 9) The apparatus to claim 9, wherein the battery column further comprises a heat insulation pad, wherein the heat insulation pad is disposed between adjacent first and second battery cells; the heat insulation pad is directly bonded to the second metal case by using glue; or the heat insulation pad is in direct contact with the second metal case.