# US 12,119,510 B2 · Battery connection module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,510 B2 - Document ID: US12119510B2 - Status: Granted - Kind: B2 - Application number: 17/387,304 - Filed: 2021-07-28 - Published: 2022-02-03 - Granted: 2024-10-15 - Earliest claimed: 2020-07-29 - Assignees: Yazaki Corporation - Applicants: Yazaki Corporation - Inventors: Hidehiko Shimizu; Keitaroh Nozawa; Shuhei Urakami; Shinji Kawai - Web page: https://patentgrep.com/patent/US12119510B2 ## CPC - H01M 50/284: with incorporated circuit boards, e.g. printed circuit boards [PCB] - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 50/287: Fixing of circuit boards to lids or covers - H01M 50/507: comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules - H01M 50/519: comprising printed circuit boards [PCB] - H05K 1/0277: {Bendability or stretchability details (H05K1/038, H05K3/4691 take precedence)} - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - H05K 2201/10037: Printed or non-printed battery - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery connection module includes a plurality of bus bars provided on a battery stack in which a plurality of battery packs are assembled, and attached to electrodes of the battery packs, a flexible printed wiring board provided on the battery stack, and a first electronic component electrically connected to the flexible printed wiring board. The flexible printed wiring board includes a side surface portion which extends outward from above the battery stack and is bent so as to be fixed to a side surface of the battery stack, and the first electronic component is provided on the side surface portion. ## Claims ### Claim 1 A battery connection module comprising: a plurality of bus bars provided on a battery stack in which a plurality of battery packs are assembled, and attached to electrodes of the battery packs; a flexible printed wiring board provided on the battery stack; a first electronic component electrically connected to the flexible printed wiring board; a case provided on the battery stack, housing the bus bars and the flexible printed wiring board, and opening upward; and a cover attached to the case so as to close the opening of the case, wherein the flexible printed wiring board includes a side surface portion that extends outward from above the battery stack and is bent so as to be fixed to a side surface of the battery stack, the first electronic component is provided on the side surface portion, a plurality of first openings extending in an arrangement direction of the battery packs are formed in the case, and arranged to face a valve provided on an upper surface of the battery stack, respectively, a plurality of second openings extending in the arrangement direction are formed in the cover, and arranged to align with the plurality of first openings, respectively, and a plurality of third openings extending in the arrangement direction are formed in the flexible printed wiring board, and arranged to align with the plurality of first openings in a direction perpendicular to the arrangement direction, and to align with the plurality of second openings in the arrangement direction, respectively. ### Claim 2 (depends on 1) The battery connection module according to claim 1, wherein the flexible printed wiring board includes: an upper surface portion housed in the case provided on the battery stack; and a second electronic component provided on the upper surface portion and having a lower height from the flexible printed wiring board than that of the first electronic component. ### Claim 3 (depends on 1) The battery connection module according to claim 1, wherein the first electronic component includes at least one of a connector, a coil, and a chip capacitor. ### Claim 4 (depends on 1) The battery connection module according to claim 1, further comprising: a holder to which the side surface portion of the flexible printed wiring board is attached, wherein the holder includes: an insertion portion inserted into a slit provided on the side surface of the battery stack; and an engaging portion provided at the insertion portion and engaged with an engaged portion provided at a back side of the slit. ### Claim 5 (depends on 1) The battery connection module according to claim 1, further comprising: a holder to which the side surface portion of the flexible printed wiring board is attached, wherein the holder and the side surface portion are fastened together with the side surface of the battery stack by a fastening member. ### Claim 6 (depends on 1) The battery connection module according to claim 1, further comprising: a holder to which the side surface portion of the flexible printed wiring board is attached, wherein the holder includes bosses that are inserted and engaged with holes provided in the side surface of the battery stack. ### Claim 7 (depends on 1) The battery connection module according to claim 1, wherein the plurality of first openings, the plurality of second openings, and the plurality of third openings all have a same shape. ### Claim 8 (depends on 7) The battery connection module according to claim 7, wherein the same shape is circular.