Battery Member, Manufacturing Method, and Secondary Battery

ChangeBridge: EPO Bulletin - Batteries (H01M)

Published March 25th, 2026

Detected April 1st, 2026

Summary

European Patent Office published patent application EP3955361A1 by LG Energy Solution, Ltd. for battery member technology including manufacturing methods and secondary batteries. The patent was published March 25, 2026, and covers innovations in battery component design and production processes.

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What changed

The European Patent Office published patent application EP3955361A1 filed by LG Energy Solution, Ltd. for a battery member, method for manufacturing a battery member, and secondary battery. The patent covers IPC classifications related to battery electrolytes (H01M10/0565, H01M10/0569), battery materials (H01M4/139), and battery configurations (H01M10/0525). The designated states cover major European patent countries including DE, FR, GB, IT, ES, NL, PL, SE, and others.

This document is a routine patent publication notice and does not impose any compliance obligations, deadlines, or regulatory requirements on market participants. It is informational for entities tracking intellectual property developments in battery technology.

Source document (simplified)

← EPO Patent Bulletin

BATTERY MEMBER, METHOD FOR MANUFACTURING BATTERY MEMBER, AND SECONDARY BATTERY

Publication EP3955361A1 Kind: A1 Mar 25, 2026

Applicants

LG Energy Solution, Ltd.

Inventors

OGAWA Hideyuki, NISHIMURA Takuya, SERA Yusuke, HORIKAWA Masayo, ORITA Akihiro

IPC Classifications

H01M 10/0565 20100101AFI20220322BHEP H01M 4/139 20100101ALI20220322BHEP H01M 10/0569 20100101ALI20220322BHEP H01M 10/056 20100101ALI20220322BHEP H01M 10/0525 20100101ALI20220322BHEP

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, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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