(19)

(11)

EP 4 248 559 A1

(12)

(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 21824661.9 (22) Date of filing: 17.11.2021

(51) International Patent Classification (IPC):  H02S 20/22(2014.01) H02S 40/22(2014.01) H02S 20/30(2014.01) (52) Cooperative Patent Classification (CPC): H02S 20/22; H02S 20/30; H02S 40/22; Y02E 10/52; Y02B 10/10 (86) International application number: PCT/IB2021/060658 (87) International publication number: WO 2022/107018 (27.05.2022 Gazette 2022/21)

(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: 17.11.2020 IT 202000027540 (71) Applicant: ATON GREEN STORAGE S.p.A. 47923 Rimini (RN) (IT)	(72) Inventor: GARZI, Giampietro 47923 Rimini (RN) (IT) (74) Representative: Luppi, Emanuele  Brunacci & Partners S.r.l. Via Pietro Giardini, 625 41125 Modena (MO) 41125 Modena (MO) (IT)