# US 2022/0037745 A1 · Battery pack > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0037745 A1 - Document ID: US20220037745A1 - Status: Published application - Kind: A1 - Application number: 17/504,487 - Filed: 2021-10-18 - Published: 2022-02-03 - Earliest claimed: 2019-04-19 - Assignees: Contemporary Amperex Technology Co., Limited - Applicants: Contemporary Amperex Technology Co., Limited - Inventors: Xu WANG - Web page: https://patentgrep.com/patent/US20220037745A1 ## CPC - H01M 50/528: Fixed electrical connections, i.e. not intended for disconnection - H01M 50/588: outside the batteries, e.g. incorrect connections of terminals or busbars - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/519: comprising printed circuit boards [PCB] - H01M 50/543: Terminals - H01M 50/591: Covers - 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 - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The present application relates to a technical filed of energy storage devices, and particularly relates to a battery pack. The battery pack includes: a plurality of battery modules, in which each battery module includes a plurality of unit batteries electrically connected to each other, and output electrodes are arranged at joints of each of the battery modules in a height direction and in a length direction; a flexible electrical connection member, electrically connected to the output electrode, and arranged at an end of the battery module in the length direction; a fixing member, arranged on an outside of the flexible electrical connection member to fix the flexible electrical connection member on the battery module. ## Claims ### Claim 1 A battery pack, comprising: a plurality of battery modules, wherein each of the battery modules comprises a plurality of unit batteries electrically connected to one another, and output electrodes are arranged at joints of each of the battery modules in a height direction and in a length direction; a flexible electrical connection member, electrically connected to the output electrode, and arranged at an end of the battery module in the length direction; a fixing member, arranged on an outside of the flexible electrical connection member to fix the flexible electrical connection member on the battery module. ### Claim 2 (depends on 1) The battery pack according to claim 1, wherein the fixing member is arranged on the outside of the flexible electrical connection member in a first height direction and on an outside of the output electrode in the length direction. ### Claim 3 (depends on 1) The battery pack according to claim 1, wherein the fixing member comprises a first fixing portion, the first fixing portion comprises a cavity, and the cavity is configured to accommodate a part of the flexible electrical connection member. ### Claim 4 (depends on 3) The battery pack according to claim 3, wherein the first fixing portion is provided with a hook; the battery module is wrapped by a cable tie, and the hook is insertedly connected to the cable tie; or an end plate is arranged at the end of the battery module in the length direction, and the hook is inserted and connected to the end plate. ### Claim 5 (depends on 3) The battery pack according to claim 3, wherein the first fixing portion comprises a first hooking portion and a second hooking portion, and the first hooking portion snappedly engages with the second hooking portion. ### Claim 6 (depends on 3) The battery pack according to claim 3, wherein the fixing member further comprises a second fixing portion connected to the first fixing portion; first baffles are respectively arranged below two sides of the second fixing portion in a width direction, and the first baffles are arranged on an outside of the output electrode in the width direction. ### Claim 7 (depends on 6) The battery pack according to claim 6, wherein a second baffle is connected to ends of the two first baffles in the length direction; an accommodating cavity is enclosed by the first baffles and the second baffle, and the accommodating cavity is arranged above the output electrode in the length direction. ### Claim 8 (depends on 6) The battery pack according to claim 6, wherein the fixing member further comprises a third fixing portion, and the third fixing portion is connected to each of the first fixing portion and the second fixing portion; the third fixing portion is arranged on an outside of an end of the flexible electrical connection member in the first height direction and on an outside of an end of the output electrode in the length direction. ### Claim 9 (depends on 8) The battery pack according to claim 8, wherein the third fixing portion comprises a curved portion, or the third fixing portion comprises a flat portion and a curved portion. ### Claim 10 (depends on 8) The battery pack according to claim 8, wherein the first fixing portion, the second fixing portion and the third fixing portion are integrally formed by injection molding. ### Claim 11 (depends on 1) A vehicle, comprising the battery pack according to claim 1. ### Claim 12 (depends on 11) The vehicle according to claim 11, wherein the fixing member is arranged on the outside of the flexible electrical connection member in a first height direction and on an outside of the output electrode in the length direction. ### Claim 13 (depends on 11) The vehicle according to claim 11, wherein the fixing member comprises a first fixing portion, the first fixing portion comprises a cavity, and the cavity is configured to accommodate a part of the flexible electrical connection member. ### Claim 14 (depends on 13) The vehicle according to claim 13, wherein the first fixing portion is provided with a hook; the battery module is wrapped by a cable tie, and the hook is insertedly connected to the cable tie; or an end plate is arranged at the end of the battery module in the length direction, and the hook is inserted and connected to the end plate. ### Claim 15 (depends on 13) The vehicle according to claim 13, wherein the first fixing portion comprises a first hooking portion and a second hooking portion, and the first hooking portion snappedly engages with the second hooking portion. ### Claim 16 (depends on 13) The vehicle according to claim 13, wherein the fixing member further comprises a second fixing portion connected to the first fixing portion; first baffles are respectively arranged below two sides of the second fixing portion in a width direction, and the first baffles are arranged on an outside of the output electrode in the width direction. ### Claim 17 (depends on 16) The vehicle according to claim 16, wherein a second baffle is connected to ends of the two first baffles in the length direction; an accommodating cavity is enclosed by the first baffles and the second baffle, and the accommodating cavity is arranged above the output electrode in the length direction. ### Claim 18 (depends on 16) The vehicle according to claim 16, wherein the fixing member further comprises a third fixing portion, and the third fixing portion is connected to each of the first fixing portion and the second fixing portion; the third fixing portion is arranged on an outside of an end of the flexible electrical connection member in the first height direction and on an outside of an end of the output electrode in the length direction. ### Claim 19 (depends on 18) The vehicle according to claim 18, wherein the third fixing portion comprises a curved portion, or the third fixing portion comprises a flat portion and a curved portion. ### Claim 20 (depends on 18) The vehicle according to claim 18, wherein the first fixing portion, the second fixing portion and the third fixing portion are integrally formed by injection molding.