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EP 3 596 762 A1

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(43) Date of publication: 22.01.2020 Bulletin 2020/04 (21) Application number: 18767445.2 (22) Date of filing: 12.03.2018

(51) International Patent Classification (IPC):  H01M 2/16(2006.01) H01M 2/14(2006.01) H01M 4/64(2006.01) H01M 2/00(2006.01) H01M 4/00(2006.01) (86) International application number: PCT/US2018/021981 (87) International publication number: WO 2018/169855 (20.09.2018 Gazette 2018/38)

(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: 13.03.2017 US 201762470772 P 31.03.2017 US 201762479548 P 15.05.2017 US 201762506422 P 12.06.2017 US 201762518523 P 10.07.2017 US 201762530687 P 11.07.2017 US 201762531274 P 06.12.2017 US 201762595171 P (71) Applicant: IFBattery Inc. West Lafayette, IN 47906 (US)

(72) Inventor: CUSHMAN, John H. West Lafayette, IN 47906 (US) (74) Representative: Pohlman, Sandra M.  df-mp Dörries Frank-Molnia & Pohlman Patentanwälte Rechtsanwälte PartG mbB Theatinerstrasse 16 80333 München 80333 München (DE)