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:
Feb. 20, 2024
Filed:
Oct. 23, 2019
Umicore, Brussels, BE;
Umicore Korea Ltd., Cheonan-si, KR;
Maxime Blangero, Cheonan-si, KR;
Liang Zhu, Olen, BE;
YuRi Lee, Cheonan-si, KR;
Kris Driesen, Olen, BE;
Umicore, Brussels, BE;
Umicore Korea Ltd., Cheonan-si, KR;
Abstract
A precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor being either one of a metal-bearing M′-hydroxide, -oxyhydroxide or -carbonate, with M′=NiMnCOAwith x>0, y>0, 0.70≤1-x-y-z≤0.95 and 0≤z<0.1, the precursor comprising having a core comprising a metal-bearing compound M′and a shell comprising a metal-bearing compound M′, wherein M′=NiMnCOAwith 0<xc≤0.2, 0<yc≤0.2, 0≤zc<0.1 and 0.75≤1-x-y-z≤0.95, and M′=NiMnCOAwith 0<xs≤0.25, 0.75<ys≤0.95, 0≤zs<0.1 and 0≤≤0.10.