A device for producing a pure metal or an alloy of the pure metal via electrolytic reduction of an ore of the pure metal or of a substance containing an oxidized form of the pure metal includes: a cell equipped with an anode, a cathode, an electrolytic area comprising an electrolyte, and a removable cell closing system, the cathode having a coating non-adherent for an electrolytically deposited metal; and an electrically conductive metal sheet for extraction of a plate of the electrolytically deposited metal on the cathode, the metal sheet being arranged in the cell in a continuation of the cathode or partially overlapping the cathode, with mechanical and electrical contact at one end with the cathode and extending at least partly beyond the electrolytic area of the cell so as to allow simultaneous depositing of the pure metal on the cathode and on a portion of the metal sheet.

Lead is recycled from lead paste of lead acid batteries in a process that employs alkaline desulfurization followed by formation of plumbite that is then electrolytically converted to pure lead. Remaining insoluble lead dioxide is removed from the lead plumbite solution and reduced to produce lead oxide that can be fed back to the recovery system. Sulfate is recovered as sodium sulfate, while the so produced lead oxide can be added to lead paste for recovery.

Lead is recycled from lead paste of lead acid batteries in a process that employs alkaline desulfurization followed by formation of plumbite that is then electrolytically converted to pure lead. Remaining insoluble lead dioxide is removed from the lead plumbite solution and reduced to produce lead oxide that can be fed back to the recovery system. Sulfate is recovered as sodium sulfate, while the so produced lead oxide can be added to lead paste for recovery.

A dynamic metal-anode flow battery energy-storage system includes a discharge module, a charging module, and a delivery device. The discharge module includes a plurality of discharge reactants to be oxidized to discharge electric energy. The charging module is electrically connected to the discharge module and includes at least one electrolysis device and at least one removal device. The electrolysis device includes a conductive member which is to be energized with electricity, such that a plurality of electrolysis products having the same material with the discharge reactants are adhered to a surface thereof. The removal device includes a scraper adapted to remove the adhered electrolysis products from the surface of the conductive member. The delivery device is adapted to deliver the electrolysis products into the first electrolyte as the discharge reactants, and deliver the discharged products into the second electrolyte as the electrolysis reactants.

A method and an apparatus for manufacturing a metallic article involve providing a non-metallic feedstock, for example in the form of an oxide of a desired metal or a mixture of oxides of the components of a desired metal alloy. A manufacturing apparatus has a reduction apparatus for electrochemically reducing the feedstock to a metallic product and a processor for converting the metallic product to a metallic powder. The powder is fed into an additive-manufacturing apparatus for fabricating the metallic article from the metallic powder. At least the reduction apparatus and the processor, and preferably also the additive-manufacturing apparatus, are collocated, or located in the same container, or in the same building, or on the same site.

Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting. In preferred aspects, lead recovery is performed in a continuous process that uses an aqueous electroprocessing solvent and electro-refining. Spent electroprocessing solvent and/or base utilized to treat lead paste from the lead acid battery scrap can be recycled to the recovery process.

Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting. In preferred aspects, lead recovery is performed in a continuous process that uses an aqueous electroprocessing solvent and electro-refining. Spent electroprocessing solvent and/or base utilized to treat lead paste from the lead acid battery scrap can be recycled to the recovery process.

The present invention relates to a method for producing metallic lithium, and specifically a method for preparing lithium metal according to an embodiment of the present invention, comprises: preparing lithium phosphate; preparinge a mixture by adding a chlorine compound to the lithium phosphate; heating the mixture; obtaining lithium chloride by reacting the lithium phosphate and the chloride compound in the mixture; producing molten lithium metal by electrolyzing the lithium chloride; and recovering the molten lithium metal is disclosed.

The present invention relates to a method for producing metallic lithium, and specifically a method for preparing lithium metal according to an embodiment of the present invention, comprises: preparing lithium phosphate; preparinge a mixture by adding a chlorine compound to the lithium phosphate; heating the mixture; obtaining lithium chloride by reacting the lithium phosphate and the chloride compound in the mixture; producing molten lithium metal by electrolyzing the lithium chloride; and recovering the molten lithium metal is disclosed.

The present invention relates to a device for recovering lithium included in a solution such as sea water, and to a sea water lithium-recovery device and a lithium-recovery station using coastal-water-based lithium-adsorption equipment and shore-based lithium-isolation equipment and a lithium desorption device using aeration.