Battery Module and Pack Patent Application - AESC Japan Ltd.
Summary
The European Patent Office has published a patent application (EP4700937A3) for a battery module and pack filed by AESC Japan Ltd. The patent describes a design for battery cells with airbags and tabs, integrated with adhesive blocks and housing components to enhance module stability and safety.
What changed
The European Patent Office (EPO) has published a patent application, EP4700937A3, concerning a battery module and battery pack. The application, filed by AESC Japan Ltd., details a specific design that includes a housing, multiple battery cells with airbags and tabs, and adhesive blocks to secure the cells and connect with the housing. This publication represents the granting of a patent for this technology.
This is a patent publication and does not impose new regulatory obligations on companies. However, it is relevant for manufacturers in the battery sector, particularly those involved in power battery technology, as it pertains to intellectual property in this field. Compliance officers in companies operating within the EU or seeking to protect intellectual property in this region should be aware of this patent's existence and its technical specifications.
Source document (simplified)
BATTERY MODULE AND BATTERY PACK
Search Report EP4700937A3 Kind: A3 Mar 18, 2026
Applicants
AESC Japan Ltd.
Inventors
YANG, Yunting, BAI, Yulong
Abstract
The present disclosure relates to the field of power battery technology, and particularly relates to a battery module and a battery pack. The battery module includes a housing (1); multiple battery cells (2), the multiple battery cells (2) stacked and arranged in the housing (1), the battery cells (2) having airbags (22) and tabs (21), at least a part of the tabs (21) extending out of the airbags (21); a first adhesive block (6), located in the housing (1) and distributed at the tab side of the battery cells (2), and the first adhesive block (6) wrapping at least a part of the airbags (11); a second adhesive block (3), the second adhesive block (3) located at one side of the first adhesive block (6) facing away from the tab side of the battery cells (2), and connected with the housing (1).
IPC Classifications
H01M 50/211 20210101AFI20260210BHEP H01M 50/236 20210101ALI20260210BHEP H01M 50/242 20210101ALI20260210BHEP H01M 50/289 20210101ALI20260210BHEP H01M 50/548 20210101ALI20260210BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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