# US 12,183,906 B2 · Battery module assembly, battery pack, and device using battery as power source > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,183,906 B2 - Document ID: US12183906B2 - Status: Granted - Kind: B2 - Application number: 17/162,345 - Filed: 2021-01-29 - Published: 2021-10-07 - Granted: 2024-12-31 - Earliest claimed: 2020-04-02 - Assignees: Contemporary Amperex Technology (Hong Kong) Limited - Applicants: Contemporary Amperex Technology (Hong Kong) Limited - Inventors: Yongguang Wang; Mingdi Xie; Zhanyu Sun; Haizu Jin; Peng Wang; Kaijie You - Web page: https://patentgrep.com/patent/US12183906B2 ## CPC - H01M 10/613: Cooling or keeping cold - H01M 10/6554: Rods or plates - H01M 10/617: for achieving uniformity or desired distribution of temperature - H01M 10/625: Vehicles - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 10/653: characterised by electrically insulating or thermally conductive materials - H01M 10/6555: arranged between the cells - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 50/166: characterised by the methods of assembling casings with lids - H01M 50/207: characterised by their shape - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/291: characterised by their shape - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - 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 - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A battery module assembly, a battery pack, and a device using a battery as a power source are provided. The battery module assembly includes: at least two battery modules arranged along a first direction, each of the battery modules including a plurality of battery cells, and a shell side wall of the battery cell including two oppositely arranged first side walls and two oppositely arranged second side walls, an area of the first side wall being larger than that of the second side wall, and the first side wall being perpendicular to the first direction; and a cooling plate arranged between two adjacent battery modules, and configured to perform heat exchange with the first side walls of the battery cells of the two adjacent battery modules. The battery pack includes the battery module assembly. The device using a battery as a power source includes the battery pack. ## Claims ### Claim 1 A battery pack, comprising: a case; at least two battery module assemblies arranged in the case, each battery module assembly comprising: at least two battery modules arranged along a first direction, each of the battery modules comprising a plurality of battery cells, and a shell side wall of a battery cell comprising two oppositely arranged first side walls and two oppositely arranged second side walls, wherein an area of a first side wall is larger than that of a second side wall, and wherein the first side wall is perpendicular to the first direction; and a cooling plate arranged between two adjacent battery modules to perform heat exchange with the first side walls of the battery cells of the two adjacent battery modules, wherein the at least two battery module assemblies are arranged along a direction perpendicular to the first direction; and a connecting portion, disposed between and connecting two cooling plates corresponding to two adjacent battery module assemblies such that the cooling plates are connected by the connecting portion to form a cooling plate assembly having an integral structure, wherein the case comprises a separator beam fixedly connected to a case side wall and dividing internal space of the case into a plurality of subspaces, wherein the at least two battery module assemblies are respectively arranged in the plurality of subspaces, wherein the connecting portion is fixedly connected to the separator beam, wherein the case comprises a case cover and a case bottom respectively arranged at two ends of the case side wall along the first direction, wherein the case cover and the case bottom are detachably connected to the case side wall, and wherein the cooling plate assembly is positioned in the middle of the case side wall along the first direction, such that the cooling plate assembly, the case side wall, and the case cover form a space for accommodating battery modules on an upper layer, and the cooling plate assembly, the case side wall, and the case bottom form a space for accommodating the battery modules on a lower layer. ### Claim 2 (depends on 1) The battery pack according to claim 1, wherein the plurality of battery cells of each of the battery modules are arranged along a direction perpendicular to the first direction. ### Claim 3 (depends on 1) The battery pack according to claim 1, wherein the first side wall of the battery cell is connected to the cooling plate. ### Claim 4 (depends on 1) The battery pack according to claim 1, wherein the battery cell comprises an insulating film, wherein the insulating film is arranged on an outer side of the shell side wall of the battery cell, wherein one surface of the insulating film is connected to the first side wall, and wherein another surface of the insulating film is connected to the cooling plate. ### Claim 5 (depends on 1) The battery pack according to claim 1, further comprising a thermally conductive adhesive layer arranged between the cooling plate and the first side wall of the battery cell adjacent to the cooling plate. ### Claim 6 (depends on 1) The battery pack according to claim 1, wherein a direction in which the battery cell generates a maximum expansion force is parallel to the first direction. ### Claim 7 (depends on 1) The battery pack according to claim 1, further comprising a cover plate, wherein the case comprises a case cover and a case bottom respectively arranged at two ends of the case side wall, and wherein the cover plate is arranged between the case cover and the battery module or between the case bottom and the battery module. ### Claim 8 (depends on 1) A device using a battery as a power source, comprising the battery pack according to claim 1.