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:
Oct. 31, 2023
Filed:
May. 18, 2022
Umicore, Brussels, BE;
Umicore Korea Ltd., Cheonan, KR;
Areum Park, Cheonan, KR;
Jihye Kim, Cheonan, KR;
Song-Yi Han, Cheonan, KR;
Jens Martin Paulsen, Cheonan, KR;
Kyung-Tae Lee, Cheonan, KR;
Randy De Palma, Olen, BE;
Umicore, Brussels, BE;
Umicore Korea Ltd., Chungnam, KR;
Abstract
A crystalline precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li((Ni(NiMn)Co)A)O, wherein A comprises at least one element of the group consisting of: Mg, Al, Ca, Si, B, W, Zr, Ti, Nb, Ba, and Sr, with 0.05≤x≤0.40, 0.25≤z≤0.85, x+y+z=1, 0≤k≤0.10, and 0≤a≤0.053, wherein said crystalline precursor powder has a crystalline size L, expressed in nm, with 15≤L≤36.