The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2025
Filed:
Mar. 24, 2023
Umicore, Brussels, BE;
Umicore Korea Ltd., Chungnam, KR;
Jihye Kim, Cheonan, KR;
Jens Paulsen, Cheonan, KR;
AReum Park, Cheonan, KR;
Dae-Hyun Kim, Cheonan, KR;
Hee-Sung Gil, Cheonan, KR;
UMICORE, Brussels, BE;
UMICORE KOREA LTD., Cheonan, KR;
Abstract
The invention provides a positive electrode material for lithium ion batteries, comprising a lithium transition metal-based oxide powder having a general formula Li((Ni(NiMn)Co)A)O, wherein A is a dopant, with −0.025≤a≤0.025, 0.15≤x≤0.22, 0.42≤z≤0.52, 1.075<z/y<1.300, x+y+z=1 and k≤0.01. Different embodiments provide the following features: the lithium transition metal-based oxide powder has a carbon content ≤1000 ppm or even ≤400 ppm; the lithium transition metal-based oxide powder has a sulfur content between 0.05 and 1.0 wt %; and a dopant A is Zr, and the powder further comprises up to 1 wt % of a coating comprising a boron compound and WO.