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(11)

EP 4 437 568 A1

(12)

(43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 22814349.1 (22) Date of filing: 08.11.2022

(51) International Patent Classification (IPC):  H01B 1/22(2006.01) C09D 11/101(2014.01) C09D 11/52(2014.01) C09D 11/03(2014.01) C09D 11/102(2014.01) (52) Cooperative Patent Classification (CPC): H01B 1/22; C09D 11/52; C09D 11/033; C09D 11/037; C09D 11/10 (86) International application number: PCT/EP2022/081110 (87) International publication number: WO 2023/094141 (01.06.2023 Gazette 2023/22)

(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: 23.11.2021 EP 21209981 (71) Applicant: Karlsruher Institut für Technologie 76131 Karlsruhe (DE)	(72) Inventors: SUN, Hongye 76133 Karlsruhe (DE) WILLENBACHER, Norbert 67292 Kirchheimbolanden (DE) WENZHE, Ge 76137 Karlsruhe (DE)