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(11)

EP 4 238 162 A1

(12)

(43) Date of publication: 06.09.2023 Bulletin 2023/36 (21) Application number: 22838071.3 (22) Date of filing: 08.07.2022

(51) International Patent Classification (IPC):  H01M 10/04(2006.01) H01M 50/46(2021.01) H01M 50/489(2021.01) (52) Cooperative Patent Classification (CPC): Y02E 60/10; Y02P 70/50; H01M 10/0404; H01M 10/0459; H01M 10/0583; H01M 10/052 (86) International application number: PCT/KR2022/010007 (87) International publication number: WO 2023/282720 (12.01.2023 Gazette 2023/02)

(84) Designated Contracting 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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.07.2021 KR 20210090588 09.07.2021 KR 20210090589 09.07.2021 KR 20210090592 (71) Applicant: LG Energy Solution, Ltd. Seoul 07335 (KR)	(72) Inventors: YOON, Se Hyun Daejeon 34122 (KR) KIM, Beomsu Daejeon 34122 (KR) KIM, Heeyong Daejeon 34122 (KR) KIM, Yong Nam Daejeon 34122 (KR) HONG, Jeongwoo Daejeon 34122 (KR) (74) Representative: Plasseraud IP  66, rue de la Chaussée d'Antin 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)