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EP 3 973 591 A1

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(43) Date of publication: 30.03.2022 Bulletin 2022/13 (21) Application number: 20757736.2 (22) Date of filing: 30.07.2020

(51) International Patent Classification (IPC):  H01M 10/615(2014.01) H01M 50/247(2021.01) H01M 50/202(2021.01) H01R 4/10(2006.01) (52) Cooperative Patent Classification (CPC): H01M 10/615; H01M 50/247; H01M 2220/30; H01M 50/202 (86) International application number: PCT/US2020/044243 (87) International publication number: WO 2022/025897 (03.02.2022 Gazette 2022/05)

(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: Google LLC Mountain View, CA 94043 (US)	(72) Inventors: MURUGAN, Kavinaath Mountain View CA 94043 (US) LEE, Yun, Sun Mountain View CA 94043 (US) KANDIBANDA, Aaditya Mountain View CA 94043 (US) BRANTINGHAM, Luke Mountain View CA 94043 (US) BENTZ, Michael, E. Mountain View CA 94043 (US) (74) Representative: Maikowski & Ninnemann Patentanwälte Partnerschaft mbB  Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)