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EP 4 356 450 A1

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(43) Date of publication: 24.04.2024 Bulletin 2024/17 (21) Application number: 21735186.5 (22) Date of filing: 15.06.2021

(51) International Patent Classification (IPC):  H01M 4/04(2006.01) H01M 4/88(2006.01) H01M 8/0234(2016.01) C25B 11/032(2021.01) H01M 4/86(2006.01) H01M 4/96(2006.01) H01M 8/0245(2016.01) (52) Cooperative Patent Classification (CPC): H01M 4/8605; H01M 4/8657; H01M 4/8817; H01M 8/0234; H01M 4/0471; H01M 4/96; H01M 4/8807; H01M 8/0245 (86) International application number: PCT/EP2021/066044 (87) International publication number: WO 2022/262946 (22.12.2022 Gazette 2022/51)

(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 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 (71) Applicant: Toyota Motor Europe 1140 Brussels (BE)	(72) Inventors: TURON TEIXIDOR, Genis 1140 BRUSSELS (BE) AKITA, Yasuhiro 1140 BRUSSELS (BE) (74) Representative: Cabinet Beau de Loménie  158, rue de l'Université 75340 Paris Cedex 07 75340 Paris Cedex 07 (FR)