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EP 4 584 831 A1

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(43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23768789.2 (22) Date of filing: 04.09.2023

(51) International Patent Classification (IPC):  H01M 4/04(2006.01) H01M 4/62(2006.01) (52) Cooperative Patent Classification (CPC): H01M 4/622; H01M 4/0404; H01M 4/131; Y02E 60/10 (86) International application number: PCT/EP2023/074142 (87) International publication number: WO 2024/052261 (14.03.2024 Gazette 2024/11)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 06.09.2022 WO PCT/CN2022/117339 (71) Applicant: ARLANXEO Deutschland GmbH 41540 Dormagen (DE)	(72) Inventors: BRANDAU, Sven 51371 Leverkusen (DE) LU, Chao hangzhou, Jiangsu 213127 (CN) ZHANG, Xiaocai hangzhou, Jiangsu 213127 (CN)