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EP 4 437 598 A2

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(88) Date of publication A3: 03.08.2023 (43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 22800245.7 (22) Date of filing: 07.10.2022

(51) International Patent Classification (IPC):  H01M 4/04(2006.01) H01M 4/1391(2010.01) H01M 4/48(2010.01) H01M 4/525(2010.01) H01M 10/052(2010.01) H01M 4/02(2006.01) H01M 4/131(2010.01) H01M 4/36(2006.01) H01M 4/505(2010.01) H01M 4/62(2006.01) H01M 10/054(2010.01) (52) Cooperative Patent Classification (CPC): H01M 4/0409; H01M 4/131; H01M 4/1391; H01M 4/366; H01M 4/48; H01M 4/505; H01M 4/525; H01M 4/621; H01M 4/625; H01M 10/052; H01M 10/054; H01M 2004/021; H01M 2004/027; Y02E 60/10 (86) International application number: PCT/EP2022/077996 (87) International publication number: WO 2023/117170 (29.06.2023 Gazette 2023/26)

(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: 23.12.2021 DE 102021134640 23.12.2021 DE 102021134642 23.12.2021 DE 102021134643 31.12.2021 DE 102021215133 14.01.2022 DE 102022100864 14.01.2022 DE 102022100866 14.01.2022 DE 102022100865 14.01.2022 DE 102022100867 (71) Applicant: Skeleton Technologies GmbH 01900 Grossröhrsdorf (DE)

(72) Inventors: SRIMUK, Pattarachai 01900 Großröhrsdorf (DE) VÄLI, Roland 01900 Großröhrsdorf (DE) (74) Representative: KASTEL Patentanwälte PartG mbB  St.-Cajetan-Straße 41 81669 München 81669 München (DE)