(19)

(11)

EP 4 292 147 A1

(12)

(43) Date of publication: 20.12.2023 Bulletin 2023/51 (21) Application number: 22705536.5 (22) Date of filing: 11.02.2022

(51) International Patent Classification (IPC):  H01M 4/04(2006.01) H01M 4/1391(2010.01) H01M 4/62(2006.01) H01M 4/66(2006.01) H01M 10/0562(2010.01) H01M 10/058(2010.01) H01M 4/131(2010.01) H01M 4/136(2010.01) H01M 4/1397(2010.01) H01M 4/58(2010.01) H01M 4/13(2010.01) H01M 4/139(2010.01) H01M 4/64(2006.01) H01M 10/0525(2010.01) H01M 10/0565(2010.01) H01M 4/02(2006.01) H01M 4/133(2010.01) H01M 4/1393(2010.01) H01M 4/587(2010.01) H01M 4/485(2010.01) (52) Cooperative Patent Classification (CPC): H01M 2004/021; H01M 4/0416; H01M 4/13; H01M 4/131; H01M 4/133; H01M 4/136; H01M 4/1391; H01M 4/139; H01M 4/1393; H01M 4/1397; H01M 4/587; H01M 4/485; H01M 4/5825; H01M 4/505; H01M 4/525; H01M 4/625; H01M 4/624; H01M 4/64; H01M 4/661; H01M 4/663; H01M 10/0525; H01M 10/0562; H01M 10/0565; H01M 10/058; H01M 2300/0068; H01M 2300/0082; Y02E 60/10 (86) International application number: PCT/EP2022/053437 (87) International publication number: WO 2022/171836 (18.08.2022 Gazette 2022/33)

(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 (30) Priority: 12.02.2021 EP 21156776 (71) Applicant: Meilleur Temps 2000 Neuchâtel (CH)	(72) Inventor: SEMON, Guy 2000 NEUCHATEL (CH) (74) Representative: IP Trust  2, rue de Clichy 75009 Paris 75009 Paris (FR)