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EP 4 457 892 A1

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(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22844143.2 (22) Date of filing: 23.12.2022

(51) International Patent Classification (IPC):  H01M 50/209(2021.01) H01M 50/51(2021.01) B60L 50/60(2019.01) H01M 50/249(2021.01) B60K 1/04(2019.01) (52) Cooperative Patent Classification (CPC): H01M 50/209; H01M 50/249; H01M 50/51; B60K 1/04; B60K 2001/0438; B60K 2001/0405; B60K 2001/0411; B60K 2001/0416; Y02E 60/10 (86) International application number: PCT/EP2022/087761 (87) International publication number: WO 2023/126357 (06.07.2023 Gazette 2023/27)

(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: 27.12.2021 SE 2151625 (71) Applicant: Northvolt AB 112 47 Stockholm (SE)	(72) Inventors: GILHARRY, Rodyn 722 12 Västerås (SE) DOBI, Csaba 722 35 Västerås (SE) BOK, Daniela 724 82 Västerås (SE) EUN CHEON, Sang 112 14 Stockholm (SE) (74) Representative: Blidefalk, Jenny  Northvolt AB Alströmergatan 20 112 47 Stockholm 112 47 Stockholm (SE)