Abstract: Disclosed herein are aluminum composite materials and methods of preparing the same. The aluminum composite materials are useful intermediates in the recycling of lithium ion batteries. For example, some materials may be easily leached to obtain one or more value metals.

Abstract: Disclosed herein are a process and a device for producing a copper composite material including copper and carbon, such as graphite, and having improved processibility and/or metal recovery in processes for recycling and/or recovery of valuable metals. The composite material is a useful intermediate in the recycling of lithium ion batteries.

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.

Abstract: Disclosed herein are a process and a plant for recycling used batteries, the plant including: a first comminuting device to comminute used batteries to a first degree of comminution to obtain comminuted battery material; a drying device, arranged downstream of the first comminuting device, to dry the comminuted battery material; a second comminuting device designed to be explosion-proof and arranged downstream of the drying device, to comminute the dried battery material to a second degree of comminution, the second degree of comminution being greater than the first degree of comminution; and a pyrolysis device, arranged downstream of the second comminuting device, to pyrolyse the dried and comminuted battery material.

Abstract: Disclosed herein are a plant for recycling lithium ion battery materials, in particular lithium ion batteries, and a process for recovering valuable materials from lithium ion battery material.

Abstract: Disclosed herein are a plant for recycling used batteries, in particular lithium iron phosphate (LFP) batteries, and a process for recovering valuable materials from used batteries.

Abstract: Disclosed herein are a process and a plant for recycling used LFP batteries, the plant comprising including: a first comminuting device to comminute used LFP batteries to a first degree of comminution; a drying device, arranged downstream of the first comminuting device, to dry the comminuted battery material; a second comminuting device arranged downstream of the drying device, to comminute the dried battery material to a second degree of comminution, the second degree of comminution being greater than the first degree of comminution; and a pyrolysis device, arranged downstream of the second comminuting device, to pyrolyse the dried and comminuted battery material, where at least the second comminuting device is designed to be explosion-proof.

Abstract: Disclosed herein are processes comprising electrolyzing an aqueous solution comprising lithium, wherein the aqueous solution has a pH less than 0.5. Also disclosed are processes comprising electrolyzing a first aqueous solution comprising lithium to obtain a second aqueous solution comprising lithium, and an acidic aqueous solution having a pH less than 0.5, adjusting the pH of the second aqueous solution with the acidic aqueous solution to obtain a third aqueous solution comprising lithium having a pH less than 0.5, and electrolyzing the third aqueous solution comprising lithium. Additionally disclosed are, processes comprising stripping a liquid medium comprising lithium with an acidic aqueous solution to obtain an aqueous solution comprising lithium, and electrolyzing the aqueous solution comprising lithium. Further disclosed are processes for preparing a liquid medium comprising lithium.