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EP 4 578 052 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23765174.0 (22) Date of filing: 23.08.2023

(51) International Patent Classification (IPC):  H01M 4/136(2010.01) H01M 4/58(2010.01) H01M 10/052(2010.01) H01M 4/1397(2010.01) H01M 4/62(2006.01) (52) Cooperative Patent Classification (CPC): H01M 4/136; H01M 4/1397; H01M 4/5815; H01M 4/62; H01M 10/052; Y02E 60/10 (86) International application number: PCT/EP2023/073119 (87) International publication number: WO 2024/042120 (29.02.2024 Gazette 2024/09)

(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: 25.08.2022 IT 202200017613 (71) Applicant: Directa Plus S.p.A. 22074 Lomazzo (CO) (IT)	(72) Inventors: RIZZI, Laura Giorgia 21047 Saronno (VA) (IT) CESAREO, Giulio Giuseppe 22100 Como (IT) (74) Representative: Zanoli, Enrico et al Zanoli & Giavarini S.p.A. Via Melchiorre Gioia, 64 20125 Milano 20125 Milano (IT)