(19)

(11)

EP 4 771 687 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24861284.8 (22) Date of filing: 03.09.2024

(51) International Patent Classification (IPC):  H01M 4/60(2006.01) H01M 8/18(2006.01) C07F 15/02(2006.01) H01M 8/08(2016.01) (52) Cooperative Patent Classification (CPC): Y02E 60/50; H01M 8/18; C07F 17/02; C07F 7/1804 (86) International application number: PCT/US2024/045036 (87) International publication number: WO 2025/050122 (06.03.2025 Gazette 2025/10)

(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: GE KH MA MD TN (30) Priority: 31.08.2023 US 202363579890 P (71) Applicant: Biozen Batteries, Inc. Covina, CA 91723 (US)	(72) Inventors: RENGERT, Zachary David Covina, California 91723 (US) JONES, Seamus Dylan Summerville Covina, California 91723 (US) KIRCHHOFER, Nathan Daniel Covina, California 91723 (US) (74) Representative: Meissner Bolte Nürnberg  Patentanwälte Rechtsanwälte Partnerschaft mbB Bankgasse 3 90402 Nürnberg 90402 Nürnberg (DE)