Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.

A method of removing aluminum from a waste electrode. The method includes comminuting the waste electrode containing a waste current collector and an electrode active material. The method further includes screening the comminuted waste electrode to collect the electrode active material. The method further includes mixing the electrode active material and an alkaline solution to remove aluminum impurities in the electrode active material.

The invention discloses a method for co-processing cracking slag and smelting soot of the waste circuit board, belongs to the field of comprehensive recycling of valuable elements from typical soot of waste circuit boards, and particularly relates to a method for co-processing cracking slag and smelting soot of the waste circuit board for debromination and comprehensive recovery of copper and zinc. The method mainly comprises the following steps of: crushing and sorting, mixture roasting, reinforced leaching, replacement and silver precipitation, sulfuration and copper precipitation, and evaporation crystallization. Compared with a traditional recycling technology, the purpose that two kinds of solid waste are treated in a coupling mode through one recycling technology is achieved. Through mixed sulfuric acid roasting, the requirement of bromide synergistic removal of the waste circuit board cracking slag and smelting soot is met, and the purpose of selective conversion of copper and zinc is achieved.

Systems and methods for direct recycling and upcycling of spent cathode materials using Flame-Assisted Spray Pyrolysis Technology (FAST). In illustrative embodiments, cathode layers are separated and collected from spent battery cells. The cathode laminate is ground to a powdered form and treated to remove contaminants by sifting into a hot stream of air which heats the powders, burning off contaminants. After cooling and particle collection, the powders may be dispersed into leaching solution to dissolve metal oxides and create an acid metal solution or ground into nano-sized primary particles and mixed with dispersing liquids to form a solution. The solution may be mixed with glycerol and additional metal salts to create a final precursor solution, which may undergo spray pyrolysis followed by drying and calcination to create cathode materials with high consistency and repeatability, or mixed with an alkaline metal salt solution and undergo electrodeposition to recover desired metal salts.

A method of recovering an active metal of a lithium secondary battery according to an embodiment of the present invention includes preparing a waste cathode active material mixture obtained from a waste cathode of a lithium secondary battery, forming a preliminary precursor mixture by reacting the waste cathode active material mixture with a reactive gas in a fluidized bed reactor, and selectively recovering a lithium precursor from the preliminary precursor mixture. The fluidized bed reactor includes a reactor body and a horizontal expansion bed, and a ratio of a diameter of the horizontal expansion bed relative to a diameter of the reactor body is 3 or more to improve a recovery efficiency of a lithium secondary battery.

A method for recycling a scrap material includes providing a sample having one or more components having a respective melting temperature, and heating the sample to a first melting point corresponding to a first component to form a molten first component, and separating the molten first component from the sample. A system for recycling scrap materials includes a housing component for a sample containing one or more components to be heated, and subsequently melted and separated. The system may include a microwave plasma source, and at least one collection mechanism corresponding to each separated molten component.

Proposed is a separation method of black powder of an automotive waste secondary battery. More particularly, a method of separating a black powder (Ni, Co, Mn, Li C)+metal (Cu, Al) compound extracted from an automotive waste secondary battery through magnetic separation and particle separation is proposed. The separation method of black powder of an automotive waste secondary battery according to an embodiment of the present disclosure includes: (a) extracting black powder+metal compound from a waste secondary battery; (b) separating the black powder+metal compound into black powder and a metal compound through particle separation; and (c) separating Co and Ni, and non-extracted Mn, Li, and C by extracting Co and Ni from the black powder through gravity separation.

Provided is a sorting method for valuable resources, including a thermal treatment step of thermally treating a target containing valuable resources, to melt aluminum and separate a melt, a pulverizing step of pulverizing a thermally treated product remaining after the melt is separated, to obtain a pulverized product, a magnetic sorting step of sorting the valuable resources from the pulverized product by a magnetic force, and a wind force sorting step of sorting one valuable resource from another valuable resource in the valuable resources by a wind force.

A method for recovering metals from waste materials includes steps of contacting a waste material feed stream with a first lixiviant adapted to leach copper and other base metals from the waste material feed stream and provide a treated waste material feed stream, recovering copper metal from the first lixiviant, contacting the treated waste material stream with a second lixiviant adapted to leach noble metals from the treated waste material feed stream and recovering gold from the second lixiviant.

The present disclosure relates to a system (100) for extracting electrode material from batteries. A shredding unit (104) configured to receive the cooled feedstock from the freezing unit (102). The shredding unit (104) is configured to shred the feedstock into powder form. A cyclone separator (110) configured with the shredding unit (104), and configured to receive air bone electrode material particles generated as a result of shredding the batteries. A separating unit (106) configured with the shredding unit (104), and configured to separate the electrode material particles. A cleaning unit (108) operatively configured with the separating unit and the cyclone separator (110). The cleaning unit (108) is configured to receive the powdered electrode particles from the shredding unit 104), and powdered electrode materials from a first output of the cyclone separator (110). A mixing agitator (110) is configured to receive the powdered electrode material from the cleaning unit (108).