Multi-layered Anode Material for Lithium Battery - Grapsil

ChangeBridge: EPO Bulletin - Batteries (H01M)

Published March 25th, 2026

Detected April 2nd, 2026

Summary

The European Patent Office published patent application EP4379856A1 for Grapsil Co., Ltd., covering a multi-layered anode active material for lithium secondary batteries and its manufacturing method. The patent application was published on March 25, 2026, designating all relevant EU member states.

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What changed

The EPO published patent application EP4379856A1 filed by Grapsil Co., Ltd., covering multi-layered anode active material, methods of manufacturing the material, and lithium secondary batteries incorporating the material. The inventors are KIM, Huijin and PARK, Hyunki. The patent is classified under IPC categories H01M covering energy storage materials and battery technology.

This is a patent publication notice with no regulatory compliance obligations. Companies in the battery manufacturing, electric vehicle, or consumer electronics sectors should note this patent if their R&D involves similar anode material technologies to assess potential freedom-to-operate implications. No action is required for general compliance purposes.

Source document (simplified)

← EPO Patent Bulletin

MULTI-LAYERED ANODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication EP4379856A1 Kind: A1 Mar 25, 2026

Applicants

Grapsil Co., Ltd.

Inventors

KIM, Huijin, PARK, Hyunki

IPC Classifications

H01M 4/36 20060101AFI20260216BHEP H01M 4/587 20100101ALI20260216BHEP H01M 4/38 20060101ALI20260216BHEP H01M 4/62 20060101ALI20260216BHEP H01M 10/052 20100101ALI20260216BHEP H01M 4/02 20060101ALI20260216BHEP

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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