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EP 4 584 832 A2

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(88) Date of publication A3: 18.04.2024 (43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23863935.5 (22) Date of filing: 05.09.2023

(51) International Patent Classification (IPC):  H01M 4/38(2006.01) H01M 4/36(2006.01) H01M 4/46(2006.01) C01F 7/16(2022.01) H01M 4/40(2006.01) (52) Cooperative Patent Classification (CPC): Y02W 30/84; C22B 7/005; C22B 3/04; H01M 10/54; H01M 4/525; H01M 4/505; H01M 4/366; H01M 4/131 (86) International application number: PCT/US2023/073487 (87) International publication number: WO 2024/054805 (14.03.2024 Gazette 2024/11)

(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 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: 05.09.2022 US 202263374569 P (71) Applicant: Princeton Nuenergy Inc. Bordentown, NJ 08505 (US)	(72) Inventors: LIAO, Jinyun Bordentown, New Jersey 08505 (US) YAN, Chao Bordentown, New Jersey 08505 (US) YANG, Xiaofang Bordentown, New Jersey 08505 (US) (74) Representative: MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB  Paul-Heyse-Straße 29 80336 München 80336 München (DE)