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:
Jan. 14, 2025
Filed:
Jun. 10, 2020
Basf SE, Ludwigshafen am Rhein, DE;
Benedikt Kalo, Battle Creek, MI (US);
Dominik Garella, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Process for making a coated electrode active material wherein said process comprises the following steps: (a) providing a particulate electrode active material according to general formula LiTMO, wherein TM is a combination of Ni, Co and, optionally, Mn, and, optionally, at least one metal selected from Mg, Al, Ba, Ti and Zr, and x is in the range of from zero to 0.2, wherein at least 15 mole-% of the transition metal of TM is Ni, (b) treating said electrode active material with a compound of M, wherein Mis selected from Li, Al, B, Mg, Si, Sn, and from transition metals, or a combination of at least two of the foregoing, with or without a solvent, wherein said compound of Mdoes not act as a cathode active material on its own, (c) optionally, removing compound of Mwhich is not deposited on said particulate electrode active material, (d) performing a post-treatment by heating the material obtained after the step (b) or (c), if applicable, at a temperature from 250 to 950° C. in a fluidized bed.