(19)

(11)

EP 4 771 692 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24762609.6 (22) Date of filing: 26.08.2024

(51) International Patent Classification (IPC):  H01M 10/04(2006.01) H01M 10/0583(2010.01) H01M 10/44(2006.01) H01M 50/107(2021.01) H01M 50/48(2021.01) H01M 10/0525(2010.01) H01M 10/0587(2010.01) H01M 50/103(2021.01) H01M 50/474(2021.01) H01M 50/609(2021.01) (52) Cooperative Patent Classification (CPC): H01M 10/0431; H01M 10/0468; H01M 10/049; H01M 10/0525; H01M 10/0583; H01M 10/0587; H01M 10/446; H01M 50/609; H01M 50/103; H01M 50/107; H01M 10/0422; H01M 50/474; H01M 50/48; Y02E 60/10; Y02P 70/50 (86) International application number: PCT/EP2024/073821 (87) International publication number: WO 2025/045820 (06.03.2025 Gazette 2025/10)

(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: GE KH MA MD TN (30) Priority: 28.08.2023 SE 2330370 (71) Applicant: NOVO Energy R&D AB 417 56 Göteborg (SE)	(72) Inventors: MALMBERG, Simon 417 68 Göteborg (SE) LE RUYET, Ronan 414 78 Göteborg (SE) HANTSOO, Eerik 426 74 Västra Frölunda (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 2096 403 12 Göteborg 403 12 Göteborg (SE)