Process for the recovery of lithium and transition metal using heat

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United States of America

PATENT NO 12152287
APP PUB NO 20210147960A1
SERIAL NO

17046766

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Abstract

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Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range of from 400 to 1200° C., (b) treating said heat-treated material with water, (c) treating the solid residue from step (b) with an acid selected from sulfuric acid, hydrochloric acid, nitric acid, methanesulfonic acid, oxalic acid and citric acid, (d) adjusting the pH value to 2.5 to 8, (e) removing compounds of Al, Cu, Fe, Zn or combinations of at least two of the foregoing from the solution or slurry obtained in step (d).

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Patent Owner(s)

Patent OwnerAddress
BASF SELUDWIGSHAFEN AM RHEIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adermann, Torben Ludwigshafen am Rhein, DE 19 36
Rohde, Wolfgang Ludwigshafen am Rhein, DE 93 631
Ryll, Thomas Michael Ludwigshafen am Rhein, DE 9 6
Schierle-Arndt, Kerstin Ludwigshafen am Rhein, DE 49 390
Seeler, Fabian Ludwigshafen am Rhein, DE 17 138
Weiguny, Sabine Ludwigshafen am Rhein, DE 24 136
Zeilinger, Michael Ludwigshafen am Rhein, DE 13 19

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