Electrode Rolling Apparatus and Electrode Rolling Method
Summary
The European Patent Office published patent application EP4075535A1 for LG Chem's electrode rolling apparatus and method for battery manufacturing. The patent covers continuous electrode rolling equipment and associated methods for electrode fabrication in rechargeable batteries. This publication makes the application publicly available; if granted after examination, it will provide LG Chem with patent protection across designated European states.
What changed
EPO published LG Chem's patent application EP4075535A1 covering electrode rolling apparatus and electrode rolling methods for battery manufacturing. The patent application lists six inventors and covers rolling equipment and processes for electrode fabrication. The application has been published with international patent classification H01M 4/04 and is designated for all European patent states upon grant.
Patent publications do not impose compliance obligations on third parties. Competitors developing similar electrode rolling technology should review the claims to assess potential freedom-to-operate implications. No immediate regulatory action is required, but companies in battery manufacturing may want to monitor the prosecution of this application for claim scope that could affect their operations.
Source document (simplified)
ELECTRODE ROLLING APPARATUS AND ELECTRODE ROLLING METHOD
Publication EP4075535A1 Kind: A1 Mar 25, 2026
Applicants
LG Chem, Ltd.
Inventors
AHN, Sangbum, KIM, Hwan Han, LEE, Ho Kyung, CHOY, Sang Hoon, SEOL, Jeong Soo, HONG, Soohyung
IPC Classifications
H01M 4/04 20060101AFI20230707BHEP B05C 9/14 20060101ALI20230707BHEP B30B 15/34 20060101ALI20230707BHEP
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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