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US 2022/0010407 A1Published application
Battery recycling by hydrogen gas injection in leach
AssigneeBASF SE
InventorsWolfgang ROHDE, Torben ADERMANN, Birgit GERKE
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Abstract
The present disclosure relates to a process for the recovery of transition metals from batteries comprising treating a transition metal material with a leaching agent to yield a leach which contains dissolved salts of nickel and/or cobalt, injecting hydrogen gas in the leach at a temperature above 100° C. and a partial pressure above 5 bar to obtain a nickel and/or cobalt precipitate in elemental form, and separating the obtained nickel and/or cobalt precipitate.
Claims17
1-16. (canceled)
A process for the recovery of transition metals from batteries comprising:
- treating a transition metal material with a leaching agent to yield a leach, wherein the leach comprises dissolved salts of nickel and/or cobalt,
- injecting hydrogen gas in the leach at a temperature above about 100° C. and a partial pressure above about 5 bar to obtain a nickel and/or cobalt precipitate in elemental form, and
- separating the obtained nickel and/or cobalt precipitate.
Dependencies are inferred from the claim text.