Samsung SDI Battery Module Patent EP4712231A2

ChangeBridge: EPO Bulletin - Batteries (H01M)

Published March 18th, 2026

Detected March 24th, 2026

Summary

The European Patent Office has published patent application EP4712231A2 for a battery module filed by Samsung SDI Co., Ltd. The patent describes a battery module design intended for enhanced safety and structural integrity, including specific arrangements for battery cells, housing, and internal components.

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What changed

This document is a publication of a patent application (EP4712231A2) by Samsung SDI Co., Ltd., detailing a novel battery module design. The patent describes a housing, multiple battery cells with electrode assemblies, cases, cap plates, terminals, and vents, along with a holder and an inner sheet to cover the vent. The application was published on March 18, 2026, and is designated for several European states.

This patent publication does not impose any new regulatory obligations or compliance deadlines on regulated entities. It represents an intellectual property filing rather than a regulatory rule or enforcement action. Companies in the battery manufacturing sector may wish to review the patent for competitive intelligence or potential licensing opportunities.

Source document (simplified)

← EPO Patent Bulletin

BATTERY MODULE

Publication EP4712231A2 Kind: A2 Mar 18, 2026

Applicants

SAMSUNG SDI CO., LTD.

Inventors

JI, Yong Jun, YEOM, Gil Choun, JEON, Du Seong

Abstract

A battery module includes a housing (100), a plurality of battery cells (200), each of which includes an electrode assembly (210), a case (220) accommodating the electrode assembly (210), a cap plate (230) sealing the case (220), a pair of terminals (240) protruding from the cap plate (230), and a vent (250) between the terminals (240). The plurality of battery cells (200) is arranged in the housing (100) in a first direction. The battery module further comprises a holder (300) in the housing (100) and facing the cap plate (230), and an inner sheet (400) between the cap plate (230) and the holder (300) to cover the vent (250).

IPC Classifications

H01M 50/209 20210101AFI20260204BHEP H01M 50/271 20210101ALI20260204BHEP H01M 50/342 20210101ALI20260204BHEP H01M 50/358 20210101ALI20260204BHEP H01M 50/367 20210101ALI20260204BHEP H01M 50/383 20210101ALI20260204BHEP

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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