(19)

(11)

EP 4 409 655 A2

(12)

(88) Date of publication A3: 07.09.2023 (43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22772611.4 (22) Date of filing: 13.09.2022

(51) International Patent Classification (IPC):  H01M 4/38(2006.01) H01M 4/70(2006.01) C23F 1/04(2006.01) H01M 50/30(2021.01) (52) Cooperative Patent Classification (CPC): H01M 4/382; H01M 4/70; H01M 50/30; C23F 1/04; H01M 10/052 (86) International application number: PCT/IB2022/058626 (87) International publication number: WO 2023/052878 (06.04.2023 Gazette 2023/14)

(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: 29.09.2021 US 202163249776 P 25.08.2022 US 202217895659 (71) Applicant: Medtronic, Inc. Minneapolis, Minnesota 55432 (US)	(72) Inventor: VIAVATTINE, Joseph J. Minneapolis, Minnesota 55432 (US) (74) Representative: Zimmermann & Partner Patentanwälte mbB  Postfach 330 920 80069 München 80069 München (DE)