(19)

(11)

EP 4 399 725 A1

(12)

(43) Date of publication: 17.07.2024 Bulletin 2024/29 (21) Application number: 21856937.4 (22) Date of filing: 09.09.2021

(51) International Patent Classification (IPC):  H01B 7/282(2006.01) (52) Cooperative Patent Classification (CPC): H01B 7/282; Y02E 60/10; H01M 50/519; H01M 50/50; H01M 50/298; H01M 50/583; H01M 2200/103; H01M 10/24; H01M 2220/10 (86) International application number: PCT/IB2021/000943 (87) International publication number: WO 2023/037137 (16.03.2023 Gazette 2023/11)

(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: Saft Groupe 92300 Levallois-Perret (FR)	(72) Inventors: NILSSON, Daniel 572 31 Oskarshamn (SE) ALEXANDERSSON, Robert 593 74 Gunnebo (SE) KARLSTAD, Marcus 572 41 Oskarshamn (SE) FRANSSON, Roger 572 93 Oskarshamn (SE) SJÖVALL, Rune 247 35 Södra Sandby (SE)