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(11)

EP 4 483 443 A1

(12)

(43) Date of publication: 01.01.2025 Bulletin 2025/01 (21) Application number: 23760662.9 (22) Date of filing: 23.02.2023

(51) International Patent Classification (IPC):  H01M 10/615(2014.01) H01M 10/63(2014.01) H01M 10/44(2006.01) (52) Cooperative Patent Classification (CPC): Y02E 60/10; H01M 10/44; H01M 10/615; H01M 10/486; H01M 10/635 (86) International application number: PCT/US2023/013745 (87) International publication number: WO 2023/164082 (31.08.2023 Gazette 2023/35)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 23.02.2022 US 202263313147 P 15.04.2022 US 202263331633 P (71) Applicant: Iontra Inc Centennial, CO 80112 (US)

(72) Inventors: KONOPKA, Daniel A. Centennial, Colorado 80112 (US) HOWLETT III, John Richard Centennial, Colorado 80112 (US) CHECK, William E. Centennial, Colorado 80112 (US) MORRONI, Chris Centennial, Colorado 80112 (US) KESSNER, David Centennial, Colorado 80112 (US) WANG, Zhong Centennial, Colorado 80112 (US) WU, Ryan Centennial, Colorado 80112 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)