B09B2101/16

Wet sorting process for waste lithium battery and application thereof

Disclosed are a wet sorting process for a waste lithium battery and application thereof, which belong to the field of battery material recycling. The wet sorting process includes the following steps of carrying out wet ball milling on a sorting material of a waste lithium battery to obtain a ball-milled product, screening the ball-milled product to obtain a coarse-grained screened material, a medium-grained screened material and a fine-grained screened material, carrying out wet ball milling, screening, magnetic separation and table concentration on the medium-grained screened material to obtain copper, aluminum and a steel shell, and carrying out flotation, magnetic separation and table concentration on the fine-grained screened material to obtain cathode material powder, graphite, copper and aluminum.

Battery Disposal Apparatus and Battery Disposal Method Using Same
20240033791 · 2024-02-01 ·

Disclosed is a battery disposal apparatus including a cutting part configured to cut and divide a battery, and a discharging part configured to immerse and discharge divided pieces of the battery cut and divided in the cutting part in a discharging solution. The cutting part is configured to incise or cut the battery in a preset pattern by water jet. In addition, disclosed is a battery disposal method in which the battery is cut by using the water jet described above and is discharged.

DISASSEMBLING AND DISCHARGING DEVICE FOR BATTERY RECYCLING

A disassembling and discharging device for battery recycling includes a crushing assembly, a high pressure tank, at least one pressure relief tank, and a filtering tank. The crushing assembly is provided with a first feed port and a first discharge port communicated with the first feed port; the high pressure tank is provided with a first inner cavity for containing discharging liquid, and the first inner cavity is communicated with the first discharge port; the pressure relief tank is provided with a second inner cavity, and the second inner cavity is communicated with the first inner cavity; and the filtering tank is provided with a third inner cavity, and the third inner cavity is communicated with the second inner cavity.

METHODS FOR RECYCLING AND UPCYCLING CONSUMER ELECTRONICS WITH PLASTICS AND INTEGRATED BATTERIES
20240095690 · 2024-03-21 · ·

A system for initiating a recycling program of consumer electronic devices, wherein the system includes a collection device configured to collect a plurality of consumer electronic devices from users, a processing unit located within a permitted facility, communicatively connected to the collection device, wherein the processing unit is configured to disassemble each consumer electronic device of the plurality of consumer electronic devices into a plurality of base components through an electronic device disassembling process, wherein the plurality of base components includes a plurality of plastic components and at least a battery component, process the plurality of base components, wherein processing the plurality of base components includes disintegrating the plurality of plastic components into a plurality of granules and decomposing the at least one battery component into a plurality of electrochemical materials, and generate a recycled output using the processed plurality of base components.

Method for recovering valuable metal

Provided is a method which allows for strict control of an oxygen partial pressure required for the heating and melting of a raw material, and thereby more efficient recovery of a valuable metal. The method for recovering a valuable metal (Cu, Ni, and Co) includes the steps of: preparing a charge comprising at least phosphorus (P) and a valuable metal as a raw material; heating and melting the raw material to form a molten body and then converting the molten body into a molten product comprising an alloy and a slag; and separating the slag from the molten product to recover the alloy comprising the valuable metal, wherein the heating and melting of the raw material comprises directly measuring an oxygen partial pressure in the molten body using an oxygen analyzer, and regulating the oxygen partial pressure based on the obtained measurement result.

METHOD FOR RECOVERY OF VALUABLE METALS FROM SPENT SECONDARY BATTERIES
20240063454 · 2024-02-22 ·

A method for recovering valuable metals from a spent secondary battery according to an embodiment of the present disclosure includes a pre-processing process of pre-processing the spent secondary battery, a melting process of heating the pre-processed spent secondary battery to generate a molten solution, and a recovery process of recovering the valuable metals from the molten solution. In the melting process, a chlorinating agent is added, and, in the recovery process, lithium is recovered in a form of lithium dust.

METHOD OF RECYCLING POSITIVE ELECTRODE ACTIVE MATERIAL AND RECYCLED POSITIVE ELECTRODE ACTIVE MATERIAL PREPARED BY THE SAME

A method of recycling a positive electrode active material and a recycled positive electrode active material prepared by the method. The method includes the steps of recovering a positive electrode active material by heat-treating a waste positive electrode comprising a current collector and a positive electrode active material layer coated thereon at 300 to 650 C. in air, washing the recovered positive electrode active material with water containing an ionic solid salt, and adding a lithium precursor to the washed recovered positive electrode active material and performing annealing at 400 to 1,000 C. in air.

RECOVERY OF VALUABLE MATERIALS AND GRAPHITE FROM END-OF-LIFE LITHIUM-ION BATTERIES
20240055685 · 2024-02-15 ·

A method of recovering valuable materials from a black mass of lithium ion batteries may be broadly described as including the steps of decomposing the black mass to produce a reduced black mass, extracting lithium from the reduced black mass and separating and recovering magnetic alloy materials and non-magnetic materials from the reduced black mass. An apparatus for recovering valuable materials from a black mass of lithium ion batteries includes a thermal reactor, a stirring reactor, a solid-liquid separator, an oven and a magnet-assisted vibration device.

Process For Removing Impurities In The Recycling Of Lithium-Ion Batteries
20240047777 · 2024-02-08 ·

A method of treating a leaching solution derived from a black mass from spent lithium-ion batteries comprising setting pH of the leaching solution to about pH 1.2 to 2.5, adding iron powder to induce copper cementation, adding lime after copper cementation, and after adding lime, transiting pH of the leaching solution to about pH 6 to extract calcium fluoride, titanium hydroxide, aluminium hydroxide, iron hydroxide, and iron phosphate. A black mass recycling system comprising an impurity removal reactor configured to receive a sodium hydroxide feed, an iron powder feed, and a lime feed.

Waste separator scrap oil extraction device and method of producing recyclate using same
11891575 · 2024-02-06 · ·

Proposed is a waste separator scrap oil extraction device for producing a recyclate from high-density polyethylene (HDPE) scrap, the HDPE being used as a material for a separator of a lithium ion secondary battery, and to a method of producing a recyclate using the same. The waste separator scrap oil extraction device includes: a first extraction means into which pulverized scrap is input, and configured to primarily separate oil from scrap while extruding the input scrap by a pressurization method with a screw; and a secondary extraction means into which the scrap from which the oil is separated by the first extraction means is input, and configured to generate oil vapor by applying heat to the scrap when the scrap is transferred by a screw and secondarily separate remaining oil by vacuum suction of the generated oil vapor.