The present invention relates to the field of waste battery recycling, and discloses a method for treating waste diaphragm paper of a lithium battery, which includes the following steps of: (1) shearing and crushing waste diaphragm paper, and then carrying out pneumatic separation to obtain a light material and a copper-aluminum mixture; (2) putting the light material into a flotation machine for separation to obtain diaphragm paper and battery powder; and (3) pulping the battery powder, and then carrying out leaching of hydrometallurgy, pickling the diaphragm paper, and then filtering and spin-drying to obtain the diaphragm paper. According to the method, the diaphragm paper is treated by a method combining physics and chemistry, so that valuable metals in the waste diaphragm paper of the lithium battery are effectively recycled, and the industrial production requirements of environmental friendliness, low energy consumption and high resource recycling are satisfied.

A method for recovering valuable metals from a spent secondary battery 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.

An automated battery disassembly system according to one embodiment includes: a workstation including a first worktable, a second worktable, a third worktable, and a discharging worktable; a discharging device; a robot device; a transfer device; and a controller electrically connected to the robot device and the transfer device. The controller is configured to control the robot device to: when a battery pack is disposed on the first worktable, separate an upper cover from the battery pack; when the battery pack is disposed on the discharging worktable, discharge the battery pack by connecting the battery pack to the discharging device; when the discharged battery pack is disposed on the second worktable, separate a battery module from the discharged battery pack; and when the battery module is disposed on the third worktable, separate battery cells from the battery module.

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.

A method of recycling a Lithium-ion battery includes removing a plurality cells from a container of the battery without dismantling the cells, removing an electrolyte from the cells, re-lithiating the cells using lithium as a source of re-lithiation, and packaging the re-lithiated cells in a new container to form a new battery.

A battery disposal container and a battery disposal device are disclosed. A battery disposal container includes a housing configured to accommodate a battery, and including a first opening through which a fluid is configured to flow; and an insulating member arranged in the housing and facing an inner surface of the housing, and including a second opening communicating with the first opening.

Embodiments described herein relate to methods of sorting energy storage devices. In some aspects a method can include measuring, via a physical sensing device, a physical property of a first plurality of energy storage devices. The method further includes sorting the first plurality of energy storage devices into a second plurality of energy storage devices and a third plurality of energy storage devices, delivering the second plurality of energy storage devices to a first location. The method further includes measuring, via a magnetic sensing device, a magnetic property of the third plurality of energy storage devices and sorting the third plurality of energy storage devices into a fourth plurality of energy storage devices and a fifth plurality of energy storage devices, delivering the fourth plurality of energy storage devices to a second location.

A method for recovering lithium from waste lithium ion batteries includes: dissolving active material powder obtained by pre-processing the waste lithium ion batteries in a mineral acid to obtain a solution; neutralizing the solution with lithium hydroxide; re-adding lithium hydroxide to the acid solution to which lithium hydroxide has been added and filtering precipitates to obtain a first lithium salt aqueous solution as a filtrate; and subjecting the first lithium salt aqueous solution to membrane electrolysis using an ion exchange membrane to obtain a lithium hydroxide aqueous solution, an acid, and a second lithium salt aqueous solution that is more dilute than the first lithium salt aqueous solution, and the lithium hydroxide aqueous solution obtained is reused in the neutralization step and/or the lithium hydroxide re-addition step, and the acid obtained is reused as the mineral acid used in the dissolution step.

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).

A process for removal of aluminium and iron in the recycling of rechargeable batteries comprising providing a leachate from black mass, adding phosphoric acid (H.sub.3PO.sub.4) to said leachate and adjusting the pH to form iron phosphate (FePO.sub.4) and aluminium phosphate (AlPO.sub.4), precipitating and removing the formed FePO.sub.4 and AlPO.sub.4, and forming a filtrate for further recovery of cathode metals, mainly NMC-metals and lithium.