EPO Patent Publication: Negative Electrode for Lithium-Ion Batteries

ChangeBridge: EPO Bulletin - Batteries (H01M)

Published March 18th, 2026

Detected March 24th, 2026

Summary

The European Patent Office has published patent application EP4645495A2 concerning a negative electrode for lithium-ion secondary batteries, including a lithium-alkaline earth metal alloy. The applicant is LG Energy Solution, Ltd. The publication date is March 18, 2026.

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What changed

This document is a publication of a European patent application (EP4645495A2) by LG Energy Solution, Ltd., detailing a negative electrode composition for lithium-ion secondary batteries. The patent specifically covers alloys of lithium and alkaline earth metals for use in such electrodes. The publication date is March 18, 2026.

As this is a patent publication, it does not impose direct regulatory obligations or compliance deadlines on companies. However, it signifies new intellectual property in the battery technology space, which may influence future product development and market strategies for competitors in the battery manufacturing sector.

Source document (simplified)

← EPO Patent Bulletin

NEGATIVE ELECTRODE INCLUDING LITHIUM-ALKALINE EARTH METAL ALLOY AND LITHIUM ION SECONDARY BATTERY INCLUDING THE SAME

Publication EP4645495A2 Kind: A2 Mar 18, 2026

Applicants

LG Energy Solution, Ltd.

Inventors

KIM, Myeong-Seong, KIM, Ki-Hyun, KIM, Yun-Jung, LEE, Do-Joong

IPC Classifications

H01M 4/04 20060101AFI20260210BHEP H01M 4/134 20100101ALI20260210BHEP H01M 4/1395 20100101ALI20260210BHEP H01M 4/38 20060101ALI20260210BHEP H01M 4/40 20060101ALI20260210BHEP H01M 4/58 20100101ALI20260210BHEP H01M 10/052 20100101ALI20260210BHEP

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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