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JP2024514662A |
The present invention relates to a method for extracting metals from the black aggregate of a lithium ion battery, where the black aggregate contains anode material and cathode material of the battery and some copper, and the cathode mat...
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JP7458916B2 |
To provide a molten salt electrolysis method capable of relatively easily supplying magnesium chloride to a molten salt bath while suppressing a decrease in current efficiency, a method for manufacturing magnesium metal, and a magnesium ...
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JP7457303B2 |
To provide a method for recovering a solid content containing calcium, which is capable of inexpensively and easily performing recovery by solid-liquid separation of a non-magnetizable substance containing a calcium component after slurr...
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JP2024513292A |
In a method for recovering lithium hydroxide from a lithium secondary battery, a positive electrode powder is prepared from a positive electrode of a lithium secondary battery. A positive electrode active material mixture is prepared by ...
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JP2024512988A |
The present invention relates to a method for dissolving a battery positive electrode material, which includes a step of immersing a positive electrode material containing lithium and optionally cobalt and/or nickel in an acidic solution...
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JP2024036835A |
The present invention provides a metal recovery agent capable of recovering metals under an artificially controlled environment. A metal recovery agent includes a reducing compound that is at least one selected from the group consisting ...
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JP7450149B1 |
An object of the present invention is to provide a method for simply and efficiently recovering lithium compounds. [Solution] Particles obtained by pulverizing a used cathode reaction container from which cathode material powder and cath...
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JP2024510990A |
In the method for regenerating a lithium precursor of the present invention, positive electrode active material powders containing lithium composite oxide particles and having different particle sizes are prepared. The positive active ma...
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JP2024029661A |
[Problem] The present invention provides a method for easily fixing carbon dioxide in a calcium extract solution obtained by efficiently extracting calcium from slag while suppressing the generation of fine powder of slag, and for using ...
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JP7443483B2 |
To provide a method for recovering a valuable material which can recover lithium carbonate of high quality from a lithium ion secondary battery with a high recovery rate.A method for recovering a valuable material for recovering lithium ...
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JP7442829B2 |
To provide a method for purifying lithium carbonate capable of efficiently recovering purified lithium carbonate from crude lithium carbonate.There is provided a method for purifying lithium carbonate which comprises: a step in which aft...
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JP2024508733A |
A method for recovering metals from a feed stream (1) containing one or more valuable metals, the method comprising: (i) passing the feed stream (1) through an alkaline leaching (20) to leach valuable metal salts; forming a slurry (5) co...
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JP7437813B2 |
The present invention belongs to the technical field of light metal extraction, and particularly relates to a method for preparing a high-purity metal lithium by a vacuum thermal reduction method. The method comprises the following steps...
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JP2024023216A |
An integrated system for producing purified lithium salts from liquid resources, such as natural and synthetic brines, leachate solutions from clays and minerals, and recycled products. [Solution] (a) an ion exchange device including an ...
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JP7427598B2 |
The present invention relates to the extraction of lithium from liquid resources such as natural and synthetic brines, leachate solutions from clays and minerals, and recycled products.
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JP2024014062A |
[Problems] A method for using a magnesium chloride suction pipe, a storage tank, and a magnesium chloride suction pipe that can suppress the contamination of magnesium metal into magnesium chloride separated from a melt containing magnes...
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JP2024504318A |
A method is provided for treating processing waste containing an aluminum-lithium alloy. The method includes cleaning machining debris containing an aluminum-lithium alloy to remove at least a portion of the treatment liquid from the mac...
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JP7423104B1 |
The present invention provides a method for recovering valuable metals from battery slag of a lithium ion battery, which can maintain the processing temperature at a low temperature in each series of steps and perform the processing in a...
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JP7422776B2 |
A process for the recovery of lithium hydroxide from lithium sulfate containing solutions, the process characterised by the following method steps:precipitating ettringite from a lithium sulfate containing solution in a primary ettringit...
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JP2024011006A |
[Problem] To develop a method for producing a high-melting point metal thin film that can produce a smooth metal thin film with a uniform thickness at low cost and that does not require melting or rolling of the target metal compared to ...
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JP7420808B2 |
The present invention relates to a method for the recovery of metals from feed materials containing such metals. More specifically, the present invention relates to the recovery of various metals contained in spent lithium-based (Li-ion)...
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JP2024008972A |
The present invention provides a method for regenerating a lithium ion secondary battery that allows the lithium ion secondary battery itself to be reused. [Solution] A preparation process for discharging a depleted lithium ion secondary...
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JP2024502269A |
A method for recovering valuables from energy storage devices (eg, used rechargeable lithium batteries, particularly those using nickel-based materials or nickel and cobalt-containing cathode materials) is described. In particular, the p...
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JP2024502354A |
A method for separating and recovering multiple materials from an electrochemical cell by dissolving in multiple solvents, separating the dissolved components, and recovering the multiple materials. [Selection diagram] None
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JP7415948B2 |
Provided is a method for producing a lithium-containing solution that prevents the dissolution of the whole lithium manganese oxide while maintaining the efficiency of an elution step. The method for producing a lithium-containing soluti...
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JP2024501853A |
By separating valuable metal ions using the selective back-extraction techniques described herein, manganese, cobalt, A hydrometallurgical solvent extraction process is provided to recover valuable metal ionic species, such as either nic...
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JP7412754B2 |
To save an amount of use of a gas by not staying in a molten metal or aqueous solution, by generating bubbles that have small diameter and to not deteriorate a stirring efficiency in the previous process.A stirring portion 70 which is at...
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JP2023183355A |
To provide a recycled cathode material that can be manufactured from an end-of-life lithium-ion secondary battery with less environmental impact and low recycling costs, and has excellent performance comparable to that of normal lithium-...
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JP2023553863A |
Described herein are methods for recycling elements such as lithium and/or nickel from solution, such as recovering reusable lithium and nickel from waste streams produced by delithiation of lithium nickel oxide materials. A method is di...
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JP7403118B2 |
The invention relates to a method for producing gallium, a method for producing sodium, and a method for producing gallium nitride. Provided is a method for producing gallium nitride using an Na flux method, whereby Na and Ga can be recy...
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JP2023180122A |
To provide an apparatus and a method for casting magnesium alloys that allow for component analysis and evaluation, such as cleanliness evaluation, in melting/casting of magnesium alloys.An apparatus for casting magnesium alloys comprise...
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JP2023552175A |
The impurity removal and treatment method in the recovery process of waste cathode material of lithium batteries includes controlling the flow rate of the leachate and the first alkaline solution of waste cathode material of lithium batt...
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JP2023551615A |
The present invention comprises: a) mixing waste lithium secondary battery positive electrode material with urea to produce a first mixture; b) baking the first mixture to produce a second mixture; c) providing a method for recovering a ...
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JP7395496B2 |
In a method of recovering an active metal of a lithium secondary battery, a used lithium-containing mixture is prepared. The used lithium-containing mixture is treated with a hydrogen reduction to prepare a preliminary precursor mixture....
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JP2023551442A |
Improved processes and systems for producing renewable hydrogen suitable for reducing metal ores and for producing activated carbon are disclosed. Some variations include pyrolyzing biomass to produce carbon-containing biological reagent...
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JP2023551443A |
Improved processes and systems for producing renewable hydrogen suitable for reducing metal ores and for producing activated carbon are disclosed. Some variations include pyrolyzing biomass to produce carbon-containing biological reagent...
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JP7393608B2 |
A comprehensive recycling method for a waste lithium iron phosphate battery relates to a waste lithium ion battery recycling technology, and particularly comprises: first selectively extracting lithium, and then using a lithium extractio...
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JP2023174586A |
To provide a process for recovering and purifying nickel (Ni), manganese (Mn), cobalt (Co) and lithium (Li) from black mass obtained from recycling of lithium-ion batteries so as to produce high-purity products.The process may include re...
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JP2023173717A |
To provide Li-containing slag which is obtained by melting starting materials such as waste lithium ion batteries containing Li and Al, and which enables effective control of a slag melting point to be under a specific temperature while ...
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JP2023173716A |
To provide Li-containing slag which is obtained by melting starting materials such as waste lithium ion batteries containing Li and Al, and which enables effective control of a slag melting point to be under a specific temperature while ...
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JP2023551107A |
A method for recovering lithium product from an aqueous solution, the method comprising: (i) contacting the solution with an alkaline material to precipitate a target amount of magnesium in the aqueous salt solution and separating the pr...
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JP2023550618A |
Improved processes and systems for producing renewable hydrogen suitable for reducing metal ores and for producing activated carbon are disclosed. Some variations include pyrolyzing biomass to produce carbon-containing biological reagent...
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JP2023549966A |
A method is described for extracting fluoride from high pH solutions containing greater than 0.1 moles per liter of alkali hydroxides and/or alcoholates dissolved in polar solvents. The polar solvent is selected from water, lower alcohol...
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JP2023549575A |
A method for selectively removing Li from an input material comprising Li and one or more transition metals, the method comprising: contacting the input material with a leaching medium comprising formic acid; and leaching the Li from the...
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JP7385976B1 |
To provide a method for recovering lithium from an aqueous liquid in which lithium salt is dissolved in a short time using small equipment. A method for recovering lithium from an aqueous liquid containing a lithium salt includes an alum...
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JP2023548882A |
Described herein are methods for isolating purified water from waste streams resulting, for example, in battery manufacturing or recycling; A method for isolating purified water suitable for use in industrial processes is disclosed.
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JP7381140B2 |
The present invention belongs to the technical field of preparation of light metal alloy materials, in particular to a method for producing a magnesium-lithium alloy by a gaseous co-condensation method. The method comprises the steps of:...
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JP2023547876A |
A method (2800) of selectively leaching one or more manganese-containing phases from a mixed phase battery electrode material comprises treating (2802) the mixed phase battery electrode material with a solution of an acid. forming a mang...
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JP7379675B2 |
The present invention relates to a die-castable highly thermally-conductive magnesium alloy and a production method therefor. The die-castable highly thermally-conductive magnesium alloy is 3.1–5.0 wt% La, 1.5–3.0 wt% Al, 0.1–0.5 w...
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JP7379724B2 |
The present disclosure relates to a method for producing high-purity lithium hydroxide from a lithium-containing waste liquid of a spent lithium secondary battery.
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