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(11)

EP 4 798 768 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24801626.3 (22) Date of filing: 25.10.2024

(51) International Patent Classification (IPC):  C25B 9/65(2021.01) C25B 1/04(2021.01) C25B 9/77(2021.01) H01M 8/0254(2016.01) H01M 8/2432(2016.01) H01M 8/0245(2016.01) C25B 1/042(2021.01) H01M 8/0228(2016.01) C25B 9/73(2021.01) H01M 8/0232(2016.01) H01M 8/0273(2016.01) H01M 8/2483(2016.01) H01M 8/12(2016.01) C25B 9/75(2021.01) (52) Cooperative Patent Classification (CPC): C25B 9/65; H01M 2008/1293; H01M 8/2432; H01M 8/2483; C25B 9/77; H01M 8/0254; H01M 8/0273; H01M 8/0228; C25B 9/75; C25B 1/042; C25B 1/04; C25B 9/73; H01M 8/0247; Y02E 60/50 (86) International application number: PCT/GB2024/052734 (87) International publication number: WO 2025/088333 (01.05.2025 Gazette 2025/18)

(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: 27.10.2023 GB 202316459 (71) Applicant: Ceres Intellectual Property Company Limited West Sussex RH13 5PX (GB)	(72) Inventors: HERCZ, Zoltan Horsham West Sussex RH13 5PX (GB) SELCUK, Ahmet Horsham West Sussex RH13 5PX (GB) (74) Representative: Yip, Matthew Wing Yu et al Maucher Jenkins Seventh Floor Offices Artillery House 11-19 Artillery Row London SW1P 1RT London SW1P 1RT (GB)