(19)

(11)

EP 3 853 931 A1

(12)

(43) Date of publication: 28.07.2021 Bulletin 2021/30 (21) Application number: 20819973.7 (22) Date of filing: 10.11.2020

(51) International Patent Classification (IPC):  H01M 4/66(2006.01) H01M 50/536(2021.01) H01M 10/058(2010.01) (86) International application number: PCT/US2020/059794 (87) International publication number: WO 2021/108119 (03.06.2021 Gazette 2021/22)

(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: 27.11.2019 US 201916698936 31.12.2019 US 201916732139 (71) Applicant: Soteria Battery Innovation Group Inc. Greenville, South Carolina 29615 (US)	(72) Inventors: MORIN, Brian G. Greenville South Carolina 29615 (US) HU, Carl C. Taylors South Carolina 29687 (US) (74) Representative: Tomkinson, Alexandra  Bailey Walsh & Co LLP 1 York Place Leeds, LS1 2DR Leeds, LS1 2DR (GB)