Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PROCESS FOR MAKING A COATED ELECTRODE ACTIVE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/260022
Kind Code:
A8
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 Li1+xTM1-xO2, 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 M1, wherein M1 is 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 M1 does not act as a cathode active material on its own, (c) optionally, removing compound of M1 which 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.

Inventors:
KALO BENEDIKT (US)
GARELLA DOMINIK (DE)
Application Number:
PCT/EP2020/066098
Publication Date:
November 18, 2021
Filing Date:
June 10, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BASF SE (DE)
International Classes:
H01M4/36; H01M4/505
Attorney, Agent or Firm:
BASF IP ASSOCIATION (DE)
Download PDF: