(19)

(11)

EP 4 537 437 A1

(12)

(43) Date of publication: 16.04.2025 Bulletin 2025/16 (21) Application number: 23733224.2 (22) Date of filing: 08.06.2023

(51) International Patent Classification (IPC):  H02J 3/14(2006.01) H02J 7/02(2016.01) H02J 3/26(2006.01) (52) Cooperative Patent Classification (CPC): H02J 3/26; H02J 3/14; H02J 7/02; H02J 2300/24 (86) International application number: PCT/EP2023/065374 (87) International publication number: WO 2023/242053 (21.12.2023 Gazette 2023/51)

(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: 13.06.2022 GB 202208595 (71) Applicant: 3TI Energy Hubs Ltd Leatherhead Surrey KT22 9AD (GB)	(72) Inventor: POTTER, Mark Leatherhead, Surrey KT22 9AD (GB) (74) Representative: Harrison, Christopher John et al Maucher Jenkins Seventh Floor Offices Artillery House 11-19 Artillery Row London SW1P 1RT London SW1P 1RT (GB)