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WO/2023/009888A1 |
Capillary electrophoresis is used to monitor concentration of components in streams of a lithium recovery process.
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WO/2023/006826A1 |
The present disclosure is related to a crystallization process for the recovery of metals from starting materials comprising Ni and Li.The starting materials, either in aqueous solution or solid form, are reacted with an aqueous solution...
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WO/2023/004927A1 |
A full-quantitative overall utilization method for step-by-step recovery of iron, sodium and tailings from Bayer red mud, comprising: grinding a red mud raw material, and adding sulfuric acid for acid leaching to dissolve Fe and Na; addi...
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WO/2023/002180A1 |
A method of recovering a lithium salt from a lithium battery waste mass, comprising the steps of: (a) dissolving the lithium sail in the lithium battery waste mass in a weight of water equivalent to 100 to 0.1 times the weight of the lit...
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WO/2023/000843A1 |
Disclosed are a method for selectively extracting lithium from a retired battery and an application of the method. According to the method, on the basis of an ion exchange effect between a divalent manganese ion and a lithium ion, a posi...
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WO/2023/002048A1 |
Disclosed herein are processes for removing lithium from a battery material comprising contacting the battery material with an aqueous medium comprising calcium hypochlorite salts to form a mixture, and separating in the mixture solids f...
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WO/2023/286684A1 |
Provided is a means for efficiently and economically separating and collecting a transition metal such as nickel or cobalt and lithium from an aqueous sulfate solution that contains the transition metal and lithium as major components. T...
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WO/2023/281033A1 |
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 comprisin...
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WO/2023/275375A1 |
Suggested is a method for recovering metals from batteries comprising or consisting of the following steps: (a) providing black mass prepared from spent batteries; (b) providing a culture of microorganisms obtained by using suitable carb...
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WO/2023/278429A1 |
In accordance with one embodiment, a method comprises dissolving a sulfide of a first metal in a solvent comprising molten aluminum; aluminothermically reduce at least a portion of the sulfide through reactive vacuum distillation to form...
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WO/2022/268792A1 |
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
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WO/2022/272162A1 |
A method for recycling All solid state batteries (ASSBs), the method including: receiving a recycling stream of ASSBs comprising an electrolyte comingled with at least one charge material; introducing a passivating substance for neutrali...
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WO/2022/268797A1 |
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
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WO/2022/267426A1 |
The present invention relates to a method for recovering metal in laterite-nickel ore. The method comprises: using laterite-nickel ore slag as a raw material, mixing the laterite-nickel ore slag with compounding agents, and then grinding...
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WO/2022/260542A1 |
The present disclosure provides a process for recycling sorbent used in a process for extracting lithium from an aqueous solution containing lithium. The process may comprise bringing an aqueous solution containing lithium into contact w...
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WO/2022/252602A1 |
The present invention relates to the technical field of waste battery recovery. Disclosed are a method for safely leaching a waste battery and an application. The method comprises the following steps: discharging, roasting, and screening...
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WO/2022/252604A1 |
Disclosed in the present invention is a safe reactor for leaching of waste battery powder and capable of controlling hydrogen concentration, comprising a platform, a rotary acid pumping cylinder, and a delivery pipe; the platform is prov...
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WO/2022/242406A1 |
The present invention relates to a high-selectivity and hydrophilic electrode for electrochemical lithium extraction and a preparation method therefor. The method comprises subjecting an electrode active material to surface coating and m...
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WO/2022/239454A1 |
Provided is a method for producing valuable metal from raw materials including, for example, waste lithium ion batteries by a pyrometallurgical method, said method making it possible to efficiently separate manganese included in the raw ...
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WO/2022/238201A1 |
The invention relates to a method for recycling a cathode material and a solid electrolyte from a solid-state lithium battery. The method has the following steps: a) separating the solid-state lithium battery into a solid mixture, said m...
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WO/2022/234884A1 |
The present invention relates to a method for recovering lithium from a waste lithium secondary battery using dry smelting, the method comprising the steps of melting a waste lithium secondary battery containing nickel, cobalt, copper, a...
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WO/2022/229327A1 |
The present invention relates to a process for obtaining alkali metal chlorides from bypass dusts that are produced during the operation of rotary kilns, e.g. in cement or clinker manufacturing plants.
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WO/2022/230861A1 |
With respect to recovery of a valuable metal from a waste lithium ion battery (LiB) and a waste material from the LiB production, the purpose of the present invention is to solve: the problem of recovering a valuable metal from an active...
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WO/2022/227184A1 |
A comprehensive utilization method for bottom-top composite blowing smelting reduction of high-iron red mud, the method mainly comprising the following steps: mixing high-iron red mud with a reducing agent, a slag former and fluorite; ad...
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WO/2022/221285A1 |
Lithium recycling from expended Li-Ion batteries occurs thought selective recovery of lithium charge materials from a recycling stream including transition metals used for the charge material. Li recovery includes dissolving the lithium ...
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WO/2022/219223A1 |
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries, and the cathode material comprising lithium and nic...
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WO/2022/219221A1 |
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries, wherein the cathode material comprises lithium, nic...
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WO/2022/219222A1 |
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries as well as some copper, and the cathode material com...
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WO/2022/204766A1 |
A process for the recovery of lithium carbonate from a solution (1) containing a mixture of lithium sulfate and lithium hydroxide, the process comprising the precipitation of lithium carbonate (3) from the solution (1) containing a mixtu...
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WO/2022/204787A1 |
The present disclosure relates to a method of producing a lithium concentrate from a calcined ore comprising spodumene particles and other mineral particles. The spodumene particles are selectively screened from the calcined ore to obtai...
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WO/2022/210847A1 |
Provided is a lithium-containing solution production method which makes it possible to suppress the costs of lithium production by increasing the lithium content in a solution after an elution step and suppressing the amount of an eluted...
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WO/2022/208015A1 |
The invention relates to a method for dissolving a positive electrode material of a battery comprising a step during which the positive electrode material, comprising lithium and optionally cobalt and/or nickel, is submerged in an acid s...
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WO/2022/211648A1 |
The subject of the invention is the device for disposal of lithium batteries that are not suitable for further use. The device for disposal of lithium batteries, where the ground batteries are immersed in tanks with water/acid converting...
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WO/2022/200747A1 |
The invention relates to a pyrometallurgical method for recycling shredded material of end-of-life Li-ion electric vehicle batteries, and/or waste from the production of these new and defective batteries, and/or portable Li-ion batteries...
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WO/2022/203055A1 |
The present invention provides a method for producing lithium hydroxide which employs, as a source liquid, a wide variety of aqueous solutions containing lithium and which efficiently produces highly pure lithium hydroxide from the sourc...
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WO/2022/204265A1 |
The present disclosure provides for a method of obtaining metals from a source, including contacting the source with an ionic liquid in the absence of acid, thereby extracting the metals from the source and providing an ionic liquid extr...
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WO/2022/193781A1 |
Provided are a regeneration method for a waste ternary positive electrode material, and the use thereof, which belong to the technical field of battery material recycling. The regeneration method comprises the following steps: drying, cr...
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WO/2022/194423A1 |
A method (1) is proposed for obtaining lithium carbonate from an aqueous salt solution (2), containing at least lithium ions, chloride ions and calcium ions, where the aqueous salt solution (2) with a lithium content of at least 0.005% b...
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WO/2022/197027A1 |
In a method for regenerating a lithium precursor, a positive electrode active material mixture including lithium composite oxide particles is prepared. The positive electrode active material mixture is agglomerated to prepare active mate...
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WO/2022/191290A1 |
inorganic solution that is less likely to be dissolved in both a basic solution and an acidic solution and has high energy efficiency, the method (method M10 for producing a BeCl2 solution) comprises a heating step (S13) for dielectrical...
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WO/2022/183285A1 |
A method of precipitating copper sulphide from an incoming feed stream comprising copper liberated from within battery materials can includes the steps of: a) receiving an incoming feed stream comprising copper entrained in a carrier liq...
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WO/2022/184756A1 |
The present invention relates to a method for recycling waste material generated in a stainless steelmaking process in a stainless steel mill. Most of the waste materials are already recycled such the steel slag materials and the filter ...
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WO/2022/176712A1 |
A Li recovery method comprises: an acid leaching step for producing a leachate solution by the addition of acid to a battery slag that contains an Li fraction; a first addition step for adding a Ca fraction to the leachate solution to pr...
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WO/2022/176709A1 |
The present invention has an acid leaching step S4 for adding acid S to battery slag M extracted from a lithium ion cell to form a leachate E, a fourth addition step S11 for adding sodium carbonate A4 to a third treated filtrate F3 that ...
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WO/2022/170399A1 |
A method for the recovery of metals from a feed stream (1) containing one or more value metals, the method comprising: (i) passing the feed stream (1) to an alkaline leach (20) to form a slurry (5) including a pregnant leach liquor of so...
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WO/2022/173705A1 |
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...
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WO/2022/167970A1 |
A method of extracting lithium from a raw material mixture, comprising the steps of introducing a raw material mixture into a rotary kiln, subjecting the raw material mixture to a thermal treatment in the rotary kiln for melting the raw ...
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WO/2022/166116A1 |
The present invention provides a trona production process. The steps of solution mining, pretreatment, steam stripping and concentration, sodium carbonate decahydrate crystallization and separation, sodium carbonate decahydrate dissoluti...
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WO/2022/163179A1 |
Provided is a method with which it is possible to inexpensively recover a valuable metal.　The present invention is a method for recovering a valuable metal, the method including the following steps: a readying step for readying a charg...
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WO/2022/157624A1 |
A cell (100) for enhancing a lithium (Li) concentration in a stream includes a housing (102); a dense lithium selective membrane (108) located in the housing (102) and dividing the housing (102) into a first compartment (104) and a secon...
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