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1. WO2022008203 - COATED PARTICULATE ELECTRODE ACTIVE MATERIALS

Publication Number WO/2022/008203
Publication Date 13.01.2022
International Application No. PCT/EP2021/066523
International Filing Date 18.06.2021
IPC
H01M 4/525 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
52of nickel, cobalt or iron
525of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
C01G 53/00 2006.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
53Compounds of nickel
Applicants
  • BASF SE [DE]/[DE]
Inventors
  • SOMMER, Heino
  • RIEWALD, Felix, Florian
Agents
  • BASF IP ASSOCIATION
Priority Data
20184157.406.07.2020EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) COATED PARTICULATE ELECTRODE ACTIVE MATERIALS
(FR) MATÉRIAUX ACTIFS D'ÉLECTRODE POSITIVE PARTICULAIRES ENROBÉS
Abstract
(EN) Particulate materials of the composition Li1+xTM1-xO2 wherein x is in the range of from -0.02 to + 0.05, TM comprises at least 94 mol-% nickel and up to 6 mol-% of at least three metals M1 selected from Co, Mn, Cu, Mg, Fe, B, Al, Ce, Sn, Zr, Zn, Nb, Ta, Y, Mo and W, wherein said metals M1 are enriched at the outer surface of the secondary particles of said particulate material, and wherein said particulate material has an average particle diameter (D50) in the range of from 2 to 20 μ m.
(FR) La présente invention concerne des matériaux particulaires de la composition Li1+xTM1-xO2, x étant situé dans la plage de -0,02 à +0,05, TM comprenant au moins 94 % en moles de nickel et jusqu'à 6 % en moles d'au moins trois métaux M1 choisis parmi Co, Mn, Cu, Mg, Fe, B, Al, Ce, Sn, Zr, Zn, Nb, Ta, Y, Mo et W, lesdits métaux M1 étant enrichis au niveau de la surface externe des particules secondaires dudit matériau particulaire, et ledit matériau particulaire ayant un diamètre de particule moyen (D50) situé dans la plage de 2 à 20 µm
Latest bibliographic data on file with the International Bureau