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(11)

EP 4 052 347 A1

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(43) Date of publication: 07.09.2022 Bulletin 2022/36 (21) Application number: 19809944.2 (22) Date of filing: 31.10.2019

(51) International Patent Classification (IPC):  H02J 7/00(2006.01) H01M 10/0525(2010.01) H01M 10/44(2006.01) H01M 10/42(2006.01) (52) Cooperative Patent Classification (CPC): H02J 7/0013; H02J 7/00714; H02J 7/0069; H02J 7/007188; H02J 7/0024; H02J 7/0019; H02J 7/0016; H01M 10/441; H01M 2010/4271; H01M 10/445; H01M 10/052; H01M 4/382; H01M 10/425; Y02E 60/10 (86) International application number: PCT/US2019/059142 (87) International publication number: WO 2021/086377 (06.05.2021 Gazette 2021/18)

(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: SION POWER CORPORATION Tucson, AZ 85756 (US)	(72) Inventors: MIKHAYLIK, Yuriy V. Tucson, AZ 85748 (US) HAMBLIN, Glenn A. Tucson, AZ 85735 (US) SCORDILIS-KELLEY, Chariclea Tucson, AZ 85748 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)