(19)

(11)

EP 4 426 485 A1

(12)

(43) Date of publication: 11.09.2024 Bulletin 2024/37 (21) Application number: 22813148.8 (22) Date of filing: 28.10.2022

(51) International Patent Classification (IPC):  B01J 27/10(2006.01) C01B 33/027(2006.01) H01M 4/38(2006.01) C01B 33/021(2006.01) C01B 33/029(2006.01) (52) Cooperative Patent Classification (CPC): C01B 33/021; C01B 33/027; C01B 33/029; H01M 4/386; C01P 2004/03; C01P 2006/40; H01M 4/38; H01M 4/366; H01M 4/1395; H01M 10/0525; H01M 4/0471; Y02E 60/10 (86) International application number: PCT/EP2022/080197 (87) International publication number: WO 2023/078795 (11.05.2023 Gazette 2023/19)

(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: 03.11.2021 EP 21306540 (71) Applicant: Enwires 38330 Montbonnot-Saint-Martin (FR)	(72) Inventor: D'ACCRISCIO, Florian 38330 MONTBONNOT-SAINT-MARTIN (FR) (74) Representative: Bandpay & Greuter  11 rue Christophe Colomb 75008 Paris 75008 Paris (FR)