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(11)

EP 4 059 076 A1

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(43) Date of publication: 21.09.2022 Bulletin 2022/38 (21) Application number: 20887768.8 (22) Date of filing: 10.11.2020

(51) International Patent Classification (IPC):  H01M 8/2432(2016.01) H01M 8/0206(2016.01) H01M 8/021(2016.01) H01M 8/0232(2016.01) H01M 8/247(2016.01) H01M 8/0282(2016.01) H01M 8/0213(2016.01) H01M 8/0258(2016.01) H01M 8/0271(2016.01) H01M 8/124(2016.01) (52) Cooperative Patent Classification (CPC): H01M 8/0271; Y02E 60/50; H01M 2300/0071; H01M 8/0202; H01M 8/10 (86) International application number: PCT/US2020/059780 (87) International publication number: WO 2021/096828 (20.05.2021 Gazette 2021/20)

(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: 12.11.2019 US 201916680701 12.11.2019 US 201916680699 (71) Applicant: Redox Power Systems LLC College Park, MD 20742 (US)	(72) Inventors: BLACKBURN, Bryan, M. Bethesda, MD 20817 (US) WANG, Lei Newark, DE 19711 (US) LANGDO, Thomas, A. Great Falls, VA 22066 (US) (74) Representative: Maiwald Patent- und Rechtsanwaltsgesellschaft mbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)