POSITIVE ELECTRODE ACTIVE MATERIAL COMPRISING PARTICLES WITH A SULFUR SURFACE LAYER - Patent 4824877

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EP 4 824 877 A1

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

(21)	Application number: 24821435.5

(22)	Date of filing: 10.12.2024

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International Patent Classification (IPC):

H01M 4/131^(2010.01)
H01M 4/525^(2010.01)

H01M 4/505^(2010.01)
H01M 4/02^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	H01M 4/525; H01M 4/505; H01M 2004/028; H01M 4/131; Y02E 60/10

(86)	International application number:
	PCT/EP2024/085426

(87)	International publication number:
	WO 2025/125208 (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

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Priority:

11.12.2023 EP 23215529

(71)	Applicant: Umicore
	1000 Brussels (BE)

(72)	Inventor:
	LAVANANT, Enora 38000 Grenoble (FR)

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

(54)	POSITIVE ELECTRODE ACTIVE MATERIAL COMPRISING PARTICLES WITH A SULFUR SURFACE LAYER