(19)
(11) EP 4 823 988 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24829090.0

(22) Date of filing: 13.12.2024
(51) International Patent Classification (IPC): 
C01G 53/82(2025.01)
H01M 4/00(2006.01)
 C01G 53/00(2025.01)
(52) Cooperative Patent Classification (CPC):
C01P 2002/85; C01G 53/504; C01P 2002/54; C01P 2004/61; Y02E 60/10; H01M 2004/028; H01M 4/525
(86) International application number:
PCT/EP2024/086163
(87) International publication number:
WO 2025/125543 (19.06.2025 Gazette 2025/25)
(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:
GE KH MA MD TN

(30) Priority: 15.12.2023 EP 23217295

(71) Applicant: Umicore
1000 Brussels (BE)

(72) Inventors:
  • KUMAKURA, Shinichi
    Tokyo, Tokyo 107--6026 (JP)
  • YANG, TaeHyeon
    Cheonan Chungcheongnam-do 331-200 (KR)
  • YOO, KunWoo
    Cheonan Chungcheongnam-do 331-200 (KR)

(74) Representative: Umicore RDI Patent Department 
Watertorenstraat 33
2250 Olen
2250 Olen (BE)

   


(54) POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR MANUFACTURING A POSITIVE ELECTRODE ACTIVE MATERIAL