LG Energy Solution Patent for Battery and Manufacturing Method
Summary
The European Patent Office has published patent application EP4712221A1 for LG Energy Solution, Ltd., detailing a new battery design and manufacturing method. The patent describes a battery with an inflatable pouch case and an electrode assembly, focusing on the sealing of electrode leads.
What changed
The European Patent Office (EPO) has published a new patent application, EP4712221A1, filed by LG Energy Solution, Ltd. The patent covers a novel battery design and its manufacturing method. Key features include an inflatable pouch case enclosing battery components and an electrode assembly, with specific attention to the sealing mechanism for electrode leads extending from the case.
This publication represents a new intellectual property filing and does not impose immediate regulatory obligations on companies. However, it is relevant for manufacturers in the battery sector, particularly those involved in research and development or seeking to innovate in battery component design and production. Companies should be aware of this patent as it may affect future product development and market entry strategies within the European Union.
Source document (simplified)
BATTERY AND METHOD FOR MANUFACTURING THE BATTERY
Publication EP4712221A1 Kind: A1 Mar 18, 2026
Applicants
LG Energy Solution, Ltd.
Inventors
CHOI, Jin Hyeong
Abstract
Disclosed is a battery, comprising battery components including an electrode assembly; an inflatable pouch case enclosing the battery components inside, the inflatable pouch case having an inner surface and an outer surface opposite to the inner surface; and at least one electrode lead electrically connected to the electrode assembly and extending through the inflatable pouch case from the inside of the inflatable pouch case to an outside of the inflatable pouch case. The outer surface of the inflatable pouch case is sealingly bonded to a surface of the at least one electrode lead.
IPC Classifications
H01M 50/105 20210101AFI20260206BHEP H01M 50/129 20210101ALI20260206BHEP H01M 50/178 20210101ALI20260206BHEP
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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