(19)
(11) EP 4 816 569 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 23847766.5

(22) Date of filing: 29.11.2023
(51) International Patent Classification (IPC): 
C22B 3/22(2006.01)
C01G 51/10(2006.01)
C22B 3/42(2006.01)
C22B 3/00(2006.01)
H01M 10/54(2006.01)
 B09B 3/80(2022.01)
C01G 53/10(2006.01)
C22B 7/00(2006.01)
C22B 26/12(2006.01)
(52) Cooperative Patent Classification (CPC):
H01M 10/54; C22B 3/42; C22B 26/12; C22B 23/043; C22B 7/007; C22B 3/22; C01G 51/10; C01G 53/10; C22B 23/0484; B09B 3/80; B09B 2101/16; Y02W 30/84; Y02P 10/20
(86) International application number:
PCT/PL2023/050098
(87) International publication number:
WO 2025/116754 (05.06.2025 Gazette 2025/23)
(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

(71) Applicant: ELION SP. Z O.O.
05-119 Legionowo (PL)

(72) Inventors:
  • STARON , Pawel
    31-589 Kraków (PL)
  • BRADLO, Dariusz
    32-200 Miechów (PL)
  • WOJCIECHOWSKI, Szymon
    41-800 Zabrze (PL)
  • LABAJ, Igor
    32-640 Palczowice (PL)
  • PIETA, Katarzyna
    41-800 Zabrze (PL)

(74) Representative: Pietruszynska, Elzbieta 
POLSERVICE Kancelaria Rzecznikow Patentowych Sp. z o.o. Bluszczanska 73
00-712 Warszawa
00-712 Warszawa (PL)

   


(54) A METHOD FOR RECOVERING NICKEL AND COBALT FROM A MIXTURE OF COMPOUNDS OF THESE METALS FROM SPENT LITHIUM-ION BATTERIES