Composite material
AssigneeBASF SE
InventorsMarc DUCHARDT, Wolfram WILK, Fabian SEELER, Maximilian RANG, Wolfgang ROHDE, Kerstin SCHIERLE-ARNDT, Anne-Marie Caroline ZIESCHANG, Julian Duane ESPER
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Abstract
Disclosed herein is a composite material (pyrolyzed black mass) including valuable metals, such as nickel, cobalt, manganese, lithium, aluminum, and copper, and having improved processibility and/or metal recovery in processes for recycling and/or recovery of the valuable metals. The composite material is a useful intermediate in the recycling of lithium ion batteries. Also disclosed herein is a process for producing the composite material from lithium ion batteries.
Claims15
A composite material comprising lithium, fluorine, and at least one of nickel, cobalt, manganese, and iron, wherein the composite material has a fluorine content of from 1 to 10 wt. %, relative to the total weight of the composite material, and the ratio of total fluorine content to ionic fluorine (fluoride) content is less than 1.1.
Dependencies are inferred from the claim text.