# US 2021/0280926 A1 · Cell assembly, cell sub-module, energy storage module and method for assembling the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0280926 A1 - Document ID: US20210280926A1 - Status: Published application - Kind: A1 - Application number: 16/616,587 - Filed: 2018-06-01 - Published: 2021-09-09 - Earliest claimed: 2017-06-01 - Assignees: Clarios Advanced Solutions GmbH; Johnson Controls Advanced Power Solutions LLC - Applicants: Clarios Advanced Solutions GmbH; Johnson Controls Advanced Power Solutions GmbH - Inventors: Marco JANSEN; Joerg BIRKHOLZ; Henning EISERMANN; Martin WIEGMANN; Ralf JOSWIG - Web page: https://patentgrep.com/patent/US20210280926A1 ## CPC - H01M 10/6554: Rods or plates - H01M 10/0481: {Compression means other than compression means for stacks of electrodes and separators} - H01M 10/482: {for several batteries or cells simultaneously or sequentially} - H01M 10/613: Cooling or keeping cold - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 50/211: adapted for pouch cells - H01M 50/267: having means for adapting to batteries or cells of different types or different sizes - H01M 50/271: Lids or covers for the racks or secondary casings - H01M 50/284: with incorporated circuit boards, e.g. printed circuit boards [PCB] - H01M 50/296: characterised by terminals of battery packs (terminals of batteries H01M50/543) - H01M 50/507: comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules - H01M 50/51: Connection only in series - H01M 50/516: by welding, soldering or brazing - H01M 50/569: Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals (battery terminal connectors with integrated measuring arrangements G01R31/364) - 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 cell assembly, having a cell frame, into which a thermal plate is integrated, a lithium-ion pouch cell having positive and a negative cell terminals, wherein the positive and negative cell terminals have a substantially planar shape and are arranged at a top side of the pouch cell, and wherein the positive and negative cell terminals extend at least substantially perpendicular from the top side of the pouch cell, and a compression element, wherein the cell frame is configured to receive and house the pouch cell and the compression element in a space defined by the thermal plate and the cell frame. ## Claims ### Claim 1 A cell assembly, comprising: a cell frame, a thermal plate being integrated into the cell frame; a lithium-ion pouch cell comprising a positive cell terminal and a negative cell terminal, the positive and negative cell terminals having a substantially planar shape and being arranged at a top side of the pouch cell, and the positive and negative cell terminals extending at least substantially perpendicular from the top side of the pouch cell; a compression element; and the cell frame is being configured to receive and house the pouch cell and the compression element in a space defined by the thermal plate and the cell frame. ### Claim 2 (depends on 1) The cell assembly according to claim 1, wherein the pouch cell is secured to the thermal plate by one of a supported and non-supported adhesive layer, which is at least partially applied on the thermal plate. ### Claim 3 (depends on 1) The cell assembly according to claim 1, wherein the compression element comprises at least one foam layer. ### Claim 4 (depends on 1) The cell assembly according to claim 1, wherein the thermal plate is in-molded in the cell frame. ### Claim 5 (depends on 1) The cell assembly according to claim 1, wherein a bottom portion of the thermal plate extends through a bottom wall of the cell frame, wherein the bottom portion of the thermal plate is configured to connect to a thermal management feature. ### Claim 6 (depends on 1) The cell assembly according to claim 1, wherein the cell frame comprises geometric features for supporting appropriate placement of the cell terminals. ### Claim 7 (depends on 6) The cell assembly according to claim 6, wherein the geometric features comprise recesses which have a shape corresponding to the cell terminals of the pouch cell. ### Claim 8 A cell sub-module comprising at least two cell assemblies each of the at least two cell assemblies comprising: a cell frame, a thermal plate being integrated into the cell frame; a lithium-ion pouch cell comprising a positive cell terminal and a negative cell terminal, the positive and negative cell terminals having a substantially planar shape and being arranged at a top side of the pouch cell, and the positive and negative cell terminals extending at least substantially perpendicular from the top side of the pouch cell; a compression element; the cell frame being configured to receive and house the pouch cell and the compression element in a space defined by the thermal plate and the cell frame; and the at least two cell assemblies are stacked such that the thermal plate of a first cell assembly contacts the compression element of an adjacent cell assembly, and such that the respective positive and negative cell terminals of each cell assembly are arranged on a first side of the cell sub-module and form a respective positive and negative cell terminal stack. ### Claim 9 (depends on 8) The cell sub-module according to claim 8, wherein the cell sub-module comprises three cell assemblies. ### Claim 10 (depends on 9) The cell sub-module according to claim 9, wherein the positive and negative cell terminals of the outer cell assemblies are pre-formed such that they are bent towards the respective positive and negative cell terminal of the middle cell assembly forming a substantially right angle so that the positive cell terminals and the negative cell terminals of the three cell assemblies form the respective positive and negative cell terminal stack. ### Claim 11 (depends on 10) The cell sub-module according to claim 10, wherein ends of the respective cell terminals of the cell terminal stack are substantially aligned with each other. ### Claim 12 An energy storage module comprising: a housing; a plurality of cell sub-modules arranged in the housing, each cell sub-module comprising at least two cell assemblies, each of the at least two cell assemblies comprising: a cell frame, a thermal plate being integrated into the cell frame; a lithium-ion pouch cell comprising a positive cell terminal and a negative cell terminal, the positive and negative cell terminals having a substantially planar shape and being arranged at a top side of the pouch cell, and the positive and negative cell terminals extending at least substantially perpendicular from the top side of the pouch cell; a compression element; the cell frame being configured to receive and house the pouch cell and the compression element in a space defined by the thermal plate and the cell frame; and the at least two cell assemblies are stacked such that the thermal plate of a first cell assembly contacts the compression element of an adjacent cell assembly, and such that the respective positive and negative cell terminals of each cell assembly are arranged on a first side of the cell sub-module and form a respective positive and negative cell terminal stack; and the housing comprises a plurality of cavities, each cavity configured to receive a corresponding one of the plurality of cell sub-modules, the cavities being defined by one of: one wall of the housing and an internal partition of the housing; and at least two internal partitions of the housing. ### Claim 13 (depends on 12) The energy storage module according to claim 12, wherein a plurality of bus bars is configured to electrically connect the cell terminal stacks of the plurality of cell sub-modules to each other. ### Claim 14 (depends on 12) The energy storage module according to claim 12, further comprising a sense line for measuring the voltage of at least one of a cell assembly and a cell sub-module of the plurality of cell sub-modules. ### Claim 15 (depends on 12) The energy storage module according to claim 12, further comprising a cover, wherein the housing of the energy storage module is one of closable and closed by the cover. ### Claim 16 (depends on 12) The energy storage module according to claim 12, wherein the energy storage module is a 12 Volt lithium-ion starter battery comprising four cell sub-modules, each cell sub-module preferably comprising three cell assemblies. ### Claim at position 17 17-27. (canceled) ### Claim 28 (depends on 2) The cell assembly according to claim 2, wherein the compression element comprises at least one foam layer. ### Claim 29 (depends on 2) The cell assembly according to claim 2, wherein the thermal plate is in-molded in the cell frame. ### Claim 30 (depends on 2) The cell assembly according to claim 2, wherein a bottom portion of the thermal plate extends through a bottom wall of the cell frame, wherein the bottom portion of the thermal plate is configured to connect to a thermal management feature. ### Claim 31 (depends on 2) The cell assembly according to claim 2, wherein the cell frame comprises geometric features for supporting appropriate placement of the cell terminals.