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:
Apr. 21, 2025
Filed:
Jun. 28, 2020
Basf SE, Ludwigshafen am Rhein, DE;
Zhenji Han, Hyogo, JP;
Junji Kashiwagi, Yamagata, JP;
Suhao Wei, Osaka, JP;
Jumpei Nakayama, Yamaguchi, JP;
Daisuke Morita, Yamaguchi, JP;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
Process for making a partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula LiTMO, wherein TM is Ni and, optionally, at least one of Co and Mn, and, optionally, at least one element selected from Al, Mg, Ba and B, transition metals other than Ni, Co, and Mn, and x is in the range of from zero to 0.2, wherein at least 50 mole-% of the transition metal of TM is Ni, (b) treating said electrode active material with an aqueous medium, (c) partially removing water by solid-liquid separation method, (d) treating the residue with a compound of Me, Me being selected from at least one of aluminum, boron, phosphorus, antimony, magnesium, vanadium, and tellurium, and (e) treating the residue thermally.