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EP 4 824 915 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 25703031.2 (22) Date of filing: 29.01.2025

(51) International Patent Classification (IPC):  H02J 3/01(2026.01) C25B 15/02(2021.01) H02M 7/155(2006.01) H02M 1/00(2006.01) H02M 5/14(2006.01) C25B 1/04(2021.01) H02M 7/04(2006.01) H02M 7/162(2006.01) H02M 1/12(2006.01) H02M 7/17(2006.01) (52) Cooperative Patent Classification (CPC): H02J 3/01; C25B 15/02; C25B 1/04; H02M 7/162; H02M 1/12; H02M 7/17; H02M 5/14; H02M 1/0043 (86) International application number: PCT/EP2025/052298 (87) International publication number: WO 2025/172060 (21.08.2025 Gazette 2025/34)

(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: 12.02.2024 EP 24157167 (71) Applicant: Siemens Energy Global GmbH & Co. KG 81739 München (DE)	(72) Inventors: LOKU, Fisnik 90439 Nürnberg (DE) LUKIANOV, Semen 91058 Erlangen (DE)