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EP 4 578 051 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23724370.4 (22) Date of filing: 05.05.2023

(51) International Patent Classification (IPC):  H01M 4/133(2010.01) H01M 4/36(2006.01) H01M 4/62(2006.01) H01M 10/054(2010.01) H01M 10/0567(2010.01) H01M 4/1393(2010.01) H01M 4/587(2010.01) H01M 10/0525(2010.01) H01M 10/0566(2010.01) H01M 10/0568(2010.01) (52) Cooperative Patent Classification (CPC): H01M 10/0566; H01M 10/0567; H01M 10/0568; H01M 10/0525; H01M 10/054; H01M 10/0569; H01M 2300/0025; H01M 10/052; H01M 6/168; Y02E 60/10 (86) International application number: PCT/GB2023/051201 (87) International publication number: WO 2024/042301 (29.02.2024 Gazette 2024/09)

(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: 23.08.2022 GB 202212271 (71) Applicant: Faradion Limited Sheffield, South Yorkshire S1 4DP (GB)	(72) Inventors: WRIGHT, Christopher John Sheffield South Yorkshire S1 4DP (GB) RUDOLA, Ashish Sheffield South Yorkshire S1 4DP (GB) BARKER, Jeremy Sheffield South Yorkshire S1 4DP (GB) (74) Representative: The IP Asset Partnership Limited  Prama House 267 Banbury Road Oxford OX2 7HT Oxford OX2 7HT (GB)