(19)

(11)

EP 4 208 907 A1

(12)

(43) Date of publication: 12.07.2023 Bulletin 2023/28 (21) Application number: 21863156.2 (22) Date of filing: 02.09.2021

(51) International Patent Classification (IPC):  H01M 4/1391(2010.01) H01M 10/0525(2010.01) (52) Cooperative Patent Classification (CPC): H01M 10/0525; Y02E 60/10; H01M 2004/028; H01M 4/525; H01M 4/505; C01P 2002/72; C01G 53/50; C01P 2006/80 (86) International application number: PCT/CA2021/051216 (87) International publication number: WO 2022/047585 (10.03.2022 Gazette 2022/10)

(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: 03.09.2020 US 202063074025 P 16.03.2021 US 202163161664 P (71) Applicant: Nano One Materials Corp. Burnaby, British Columbia V3N 4V1 (CA)	(72) Inventors: CAMPBELL, Stephen Burnaby, British Columbia V3N 4V1 (CA) ROWE, Thomas E. Burnaby, British Columbia V3N 4V1 (CA) (74) Representative: Goodman, Simon John Nye  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)