KR-20260063299-A - BATTERY MODULE AND BATTERY PACK COMPRISING THE SAME

KR20260063299AKR 20260063299 AKR20260063299 AKR 20260063299AKR-20260063299-A

Abstract

The battery module of the present disclosure may include a plurality of battery cells, a plurality of cartridges each accommodating the plurality of battery cells, a plurality of sensing tabs each bonded to the electrode tabs of the plurality of battery cells and at least a portion of which is accommodated in the plurality of cartridges, a substrate portion covering the plurality of battery cells and the plurality of cartridges, and a sensor assembly including a plurality of sensing terminals connected to the substrate portion and each bonded to the plurality of sensing tabs. The plurality of sensing terminals may cover at least a portion of each of the plurality of sensing tabs.

Inventors

홍총표
황대균
박수근
이강우

Assignees

에스케이온 주식회사

Dates

Publication Date: 20260507
Application Date: 20241030

Claims (14)

Multiple battery cells; A plurality of cartridges, each accommodating the plurality of battery cells; A plurality of sensing tabs, each bonded to the electrode tabs of the plurality of battery cells and at least a portion of which is accommodated in the plurality of cartridges; and A sensor assembly comprising a substrate covering the plurality of battery cells and the plurality of cartridges, and a plurality of sensing terminals connected to the substrate and each bonded to the plurality of sensing tabs. The above plurality of sensing terminals are a battery module covering at least a portion of each of the above plurality of sensing tabs.
In claim 1, each of the plurality of sensing tabs is, A battery module comprising a body portion extending along a first direction and joined to the electrode tab, and a junction portion extending along a second direction perpendicular to the first direction from the body portion and joined to some of the plurality of sensing terminals.
In Article 2, The above body part includes a first through hole, and The above cartridge is a battery module comprising a protrusion inserted into the first through hole and a cover portion extending from the protrusion and covering a part of the body portion.
In Article 2, The above body part includes a second through hole, and The above cartridge is, A battery module comprising a coupling portion inserted into the second through hole and having an inclined surface inclined with respect to the surface of the body portion.
In Article 2, The above body part includes a plurality of first protrusions, and The above cartridge is a battery module comprising a plurality of second protrusions engaged with the plurality of first protrusions.
In Article 2, The above cartridge is a battery module comprising a cell receiving portion surrounding the battery cell and a support portion extending from the cell receiving portion and supporting the joint portion.
In claim 6, the support member is, A battery module formed thinner than the thickness of the cell receiving portion.
In claim 6 or 7, the cartridge is, A battery module in which two cell receiving portions are arranged in a row, and the support portion is respectively placed between both ends of the cartridge and the two cell receiving portions.
In claim 6 or 7, the body portion is, A battery module, a portion thereof disposed between the electrode tab and the support and welded to the electrode tab.
In Article 1, Each of the above plurality of battery cells is A battery module comprising an electrode assembly bonded to the electrode tab and a pouch accommodating the electrode assembly.
In Article 1, The sensor assembly includes an insulating portion that supports the substrate portion, and The above insulating part is a battery module including a receiving hole for accommodating the plurality of sensing tabs.
In claim 2, the sensing terminal is, A battery module in which a portion is positioned to face the substrate portion and another portion protrudes outward from the substrate portion to face the junction portion.
In Article 1, The above sensor assembly is a battery module comprising a connector disposed on the substrate portion and wiring that electrically connects at least some of the plurality of sensing terminals to the connector.
Multiple battery modules; and It includes a pack frame that accommodates the plurality of battery modules mentioned above, and Each of the above plurality of battery modules is Multiple battery cells; A plurality of cartridges, each accommodating the plurality of battery cells; A plurality of sensing tabs, each bonded to the electrode tabs of the plurality of battery cells and at least a portion of which is accommodated in the plurality of cartridges; and A sensor assembly comprising a substrate covering the plurality of battery cells and the plurality of cartridges, and a plurality of sensing terminals connected to the substrate and each bonded to the plurality of sensing tabs. The plurality of sensing terminals each cover the plurality of sensing tabs, and the battery pack.

Description

Battery module and battery pack comprising the same The present disclosure relates to a battery module and a battery pack including the same. Unlike primary batteries, secondary batteries can be charged and discharged, so they can be applied in various fields such as digital cameras, mobile phones, laptops, hybrid cars, electric vehicles, and energy storage systems (ESS). Secondary batteries can be lithium-ion batteries, nickel-cadmium batteries, nickel-metal hydride batteries, or nickel-hydrogen batteries. Secondary batteries are manufactured as flexible pouch-type battery cells or rigid prismatic or cylindrical can-type battery cells. Multiple battery cells can be arranged as cell assemblies inside a module housing to form a battery module. FIG. 1 is a perspective view of a battery cell according to one embodiment. FIG. 2 is a perspective view of a battery module according to one embodiment. FIG. 3 is an exploded perspective view of a battery module according to one embodiment. FIG. 4 is a perspective view of a cell unit according to one embodiment. FIG. 5 is a perspective view of a battery module according to one embodiment. FIGS. 6 and 7 are drawings for explaining the combination of a sensing tab and a cartridge according to one embodiment. FIG. 8 is a drawing for explaining the combination of a sensing tab and a cartridge according to another embodiment. FIG. 9 is a drawing illustrating the combination of a sensing tab and a cartridge according to another embodiment. FIG. 10 is an exploded perspective view of a sensor assembly according to one embodiment. FIG. 11 is a top view of a battery module with the upper cover excluded, according to one embodiment. FIG. 12 is a drawing for explaining the combination of a sensing terminal and a sensing tab according to one embodiment. FIG. 13 is a schematic diagram of a battery module according to one embodiment. FIG. 14 is a diagram illustrating the connection of an electrode tab, a sensing tab, and a sensing terminal according to one embodiment. FIG. 15 is a diagram illustrating the connection between a sensing tab and a connector according to one embodiment. FIG. 16 is a drawing illustrating the connection of a connector and an external connector according to one embodiment. FIG. 17 is an exploded perspective view of a battery pack according to one embodiment. Hereinafter, the present disclosure will be described in detail with reference to the attached drawings. However, this is merely illustrative and the present disclosure is not limited to the specific embodiments described illustratively. The terms and words used in this specification and claims described below are not to be interpreted as being limited to their ordinary or dictionary meanings. Based on the principle that the inventor can appropriately define the concept of a term to best describe his invention, he/she will interpret them in a meaning and concept consistent with the technical spirit of this disclosure. Accordingly, it will be understood that the embodiments described in this specification and the configurations illustrated in the drawings are merely the most preferred embodiments of the present disclosure and do not represent all of the technical ideas of the present disclosure, and that various equivalents and modifications that can replace them may exist at the time of filing this application. Detailed descriptions of known functions and configurations that could obscure the essence of the present disclosure are omitted. In the accompanying drawings, some components are exaggerated, omitted, or schematically depicted, and the size of each component does not entirely reflect its actual size. FIG. 1 is a perspective view of a battery cell according to one embodiment. Referring to FIG. 1, the battery cell (100) may include an electrode assembly (120) bonded to an electrode tab (130) and a pouch (110) that accommodates the electrode assembly (120). The battery cell (100) may be a secondary battery. For example, the battery cell (100) may be a lithium-ion battery, but is not limited thereto. For example, the battery cell (100) may be a nickel-cadmium battery, a nickel-metal hydride battery, or a nickel-hydrogen battery capable of charging and discharging. The pouch (110) may form at least a portion of the exterior of the battery cell (100). The pouch (110) may include an electrode receiving portion (111) for receiving an electrode assembly (120) and a sealing portion (115) for sealing at least a portion of the perimeter of the electrode receiving portion (111). The electrode receiving portion (111) may provide a space for receiving the electrode assembly (120) and an electrolyte. The sealing portion (115) may be formed by joining at least a portion of the circumference of the pouch (110). The sealing portion (115) may be formed in the shape of a flange extending outward from the electrode receiving portion (111) formed in the shape of a container, and may be positioned along at least a port