(19)

(11)

EP 4 457 381 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22847126.4 (22) Date of filing: 09.12.2022

(51) International Patent Classification (IPC):  C25B 1/04(2021.01) C25B 9/67(2021.01) C25B 15/08(2006.01) C25B 9/19(2021.01) C25B 15/021(2021.01) C25B 15/00(2006.01) (52) Cooperative Patent Classification (CPC): C25B 1/04; C25B 9/19; C25B 9/67; C25B 15/021; C25B 15/08; C25B 15/085; C25B 15/00; F03B 13/14; Y02P 20/133; Y02E 60/36 (86) International application number: PCT/EP2022/085205 (87) International publication number: WO 2023/126157 (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 LU 501094 (71) Applicant: Luxembourg Institute of Science and Technology (LIST) 4362 Esch-sur-Alzette (LU)	(72) Inventors: POLESEL, Jérôme 4362 Esch-sur-Alzette (LU) LENOBLE, Damien 4367 Esch-sur-Alzette (LU) (74) Representative: Aronova  Aronova S.A. BP 327 12, avenue du Rock'n'Roll 4004 Esch-sur-Alzette 4004 Esch-sur-Alzette (LU)