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(11)

EP 4 305 695 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 22712558.0 (22) Date of filing: 09.03.2022

(51) International Patent Classification (IPC):  H01M 8/0606(2016.01) H01M 8/12(2016.01) C01B 3/04(2006.01) H01M 8/22(2006.01) (52) Cooperative Patent Classification (CPC): H01M 8/12; H01M 8/0606; H01M 8/222; C01B 3/047; H01M 2250/407; C01B 2203/066; Y02E 60/50 (86) International application number: PCT/EP2022/055989 (87) International publication number: WO 2022/189484 (15.09.2022 Gazette 2022/37)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 10.03.2021 DK PA202100250 (71) Applicant: Topsoe A/S 2800 Kgs. Lyngby (DK)	(72) Inventors: HØJLUND NIELSEN, Poul Erik 3480 Fredensborg (DK) HANSEN, John Bøgild 3050 Humlebæk (DK) (74) Representative: Topsoe A/S  Haldor Topsøes Allé 1 2800 Kgs. Lyngby 2800 Kgs. Lyngby (DK)