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(11)

EP 3 895 233 A1

(12)

(43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19839000.7 (22) Date of filing: 13.12.2019

(51) International Patent Classification (IPC):  H01M 2/10(2006.01) B65D 83/04(2006.01) H01M 2/02(2006.01) (52) Cooperative Patent Classification (CPC): Y02E 60/10; B65D 75/326; B65D 75/522; B65D 75/328; B65D 2575/3272; B65D 5/541; B65D 5/4208; B65D 77/0433; H01M 50/213; B65D 75/368; B65D 2575/329; B65D 5/503; B65D 5/4204; B65D 75/5855; B65D 75/566; B65D 2585/88; B65D 2575/3245; H01M 50/20; H01M 50/107 (86) International application number: PCT/US2019/066132 (87) International publication number: WO 2020/123895 (18.06.2020 Gazette 2020/25)

(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: 14.12.2018 US 201816221420 (71) Applicant: Duracell U.S. Operations, Inc. Wilmington, DE 19801 (US)	(72) Inventors: BAKER, Kathleen, Ann Bethel, CT 06801 (US) STEWART, Scott Bethel, CT 06801 (US) SHACKFORD, William Bethel, CT 06801 (US) (74) Representative: Uexküll & Stolberg  Partnerschaft von Patent- und Rechtsanwälten mbB Beselerstraße 4 22607 Hamburg 22607 Hamburg (DE)