Abstract: The present invention relates to a method of producing an iron containing compound, iron containing precursor, or iron containing aqueous solution comprising the steps of: providing direct reduced iron; dissolving the direct reduced iron in organic and/or inorganic acids to provide an iron containing aqueous solution, wherein insoluble impurities of the direct reduced iron are maintained in solid form throughout the dissolution process, to obtain an iron containing aqueous solution with suspended insoluble impurities; separating the said insoluble impurities from the iron containing aqueous solution obtaining a purified iron containing aqueous solution; and optionally solidifying said purified iron containing aqueous solution to provide the iron containing compound or iron containing precursor, by drying. The present invention further relates to iron containing compounds, iron containing precursors, and iron containing aqueous solutions, and their use in battery components.

Abstract: A method for recycling silver present on a photovoltaic cell comprising: —a step a) of supplying a photovoltaic cell including—a support substrate made of silicon, —an upper layer of doped silicon arranged on the support substrate, —a plurality of silver lines arranged on the upper layer, —at least one anti-reflective layer arranged on the upper layer and adjacent to the silver lines; —a step b) of etching the anti-reflective layer by immersing the photovoltaic cell in an acid solution; —a step c) of etching the upper layer by immersing the photovoltaic cell without an anti-reflective layer in a basic solution, leading to the separation of the silver lines; —a step d) of drying the assembly formed by the support substrate and the separated silver lines; —a step e) of extracting the silver lines in the solid state.

Abstract: A copper ferrite synthesis describing the use of cuprous, ferric, and borate ions is disclosed. Cuprous and ferric compounds react with sodium borate to form cuprous ferric oxide precipitates. Oxidizing a cuprous ferric oxide with an oxygen enhanced flame, synthesizes copper ferrite. The cuprous ferric oxide may be reduced to nanoparticle size via pulverization to produce copper ferrite nanoparticles.

Abstract: Embodiments described herein relate to removal of aluminum impurities from battery waste. In some aspects, a method for removing aluminum impurities includes preprocessing a quantity of battery waste to improve removal of aluminum impurities from the quantity of battery waste. The method further includes removing at least a portion of the aluminum impurities from the quantity of battery waste, modifying the removed aluminum impurities to form a coating precursor and/or a doping precursor, and applying the coating precursor and/or the doping precursor to an electrode material. In some embodiments, the method further includes characterizing the aluminum impurities in the quantity of battery waste and regenerating the electrode material. In some embodiments, the removing can be via sieving, cyclone separation, air separation, elutriation, and/or dissolution. In some embodiments, the doping precursor can include aluminum hydroxide (Al(OH)3).

Abstract: A method for producing a halide includes heat-treating a mixed material in an inert gas atmosphere, the mixed material being a mixture of (NH4)aMX3+a and LiZ. The M includes at least one element selected from the group consisting of Y, a lanthanoid, and Sc. The X is at least one element selected from the group consisting of Cl, Br, I, and F. The Z is at least one element selected from the group consisting of Cl, Br, I, and F. Furthermore, 0<a?3 is satisfied.

Abstract: The present invention relates to a method for producing lithium fluorosulfonate which comprises reacting a lithium salt and fluorosulfonic acid in a nonaqueous solvent, wherein the lithium salt is a lithium salt not generating water through the reaction step.

Abstract: A preparation method for EV-grade lithium sulfide includes: mixing and reacting sulfur powder, metallic lithium and a lithium-containing additive to obtain a crude lithium sulfide product, and then pulverizing and calcining the crude lithium sulfide product to remove excess sulfur powder to obtain the EV-grade lithium sulfide. The method being used for preparing the lithium sulfide is advantaged in simple process, strong operability, large-scale production, and being capable to meet the requirements for safe operation and EV-grade lithium sulfide, without toxic gas generation and secondary pollution.

Abstract: The present disclosure generally relates to materials, processes, generators, and/or systems, for generating radioisotope. The present disclosure also generally relates to ceramic materials comprising radioisotope suitable for use in a radioisotope generator. The present disclosure also generally relates to processes, generators and/or systems, for producing and capturing radioisotope. The present disclosure also generally relates to the preparation of radioisotope solutions for use in radiopharmacy and/or other clinical applications.

Abstract: The present disclosure is drawn to a method for producing magnetite comprising the steps of: forming a ferrous ion solution; forming a ferric ion solution; and mixing and heating the ferrous ion solution and the ferric ion solution with a boric ion solution to precipitate magnetite. The disclosure is drawn to a borate method for producing magnetite wherein a ferrous ion compound and a ferric ion compound, in stoichiometric ratio of 1:2, are precipitated with a boric ion compound.

Abstract: The invention provides a method for extracting REEs from ash having the steps of contacting ash with a first acid solution to generate leachate having a pH between approximately 5.0 and approximately 5.5; contacting the ash with a second acid solution to generate leachate having a pH between approximately 2.8 and approximately 3.5; and contacting the ash with a third acid solution to generate leachate having a pH between approximately ?0.6 and approximately 0.5. The invention also provides a method for leaching REEs from ash having the steps of: contacting ash with a first amount of acid sufficient to leach Ca and AJ from the ash without leaching REEs; contacting the ash with a second amount of acid sufficient to leach REEs from the ash without leaching Fe and Sc; and contacting ash with a third amount of acid sufficient to leach Fe and Sc from the ash.

Abstract: In one aspect, the disclosure relates to processes for production of ammonia and hydrogen under low reaction severity using as reactants nitrogen and at least one C1-C4 hydrocarbon, e.g., methane. The disclosed processes are carried out using a heterogeneous catalyst comprising a metal selected from Group 7, Group 8, Group 9, Group 10, Group 11, and combinations thereof; wherein the metal is present in an amount from about 0.1 wt % to about 20 wt % based on the total weight of the heterogeneous catalyst; and a metal oxide support. The processes can be carried out at about ambient pressure and at a heterogeneous catalyst temperature of from about 50° C. to about 250° C. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: The production method of the present disclosure includes heat-treating a material mixture containing a compound containing Y, a compound containing Sm, NH4?, Li?, and Ca?2 in an inert gas atmosphere. The compound containing Y is at least one selected from the group consisting of Y2O3 and Y?3, and the compound containing Sm is at least one selected from the group consisting of Sm2O3 and Sm?3. The material mixture contains at least one selected from the group consisting of Y2O3 and Sm2O3, and ?, ?, ?, ?, and ? are each independently at least one selected from the group consisting of F, Cl, Br, and I.

Abstract: A precursor for lithium secondary battery positive electrode active materials containing at least nickel, in which the following formula (1) is satisfied. 0.20?Dmin/Dmax??(1) (in the formula (1), Dmin is a minimum particle diameter (?m) in a cumulative particle size distribution curve obtained by measuring the precursor for lithium secondary battery positive electrode active materials with a laser diffraction-type particle size distribution measuring instrument, and Dmax is a maximum particle diameter (?m) in the cumulative particle size distribution curve obtained by the measurement with the laser diffraction-type particle size distribution measuring instrument.).

Abstract: Methods for making high-purity LiFSI salts and intermediate products using one, the other, or both of a reactive-solvent removal/replacement method and an LiFSI purification method. In some embodiments, the reactive-solvent removal/replacement method includes using non-reactive anhydrous organic solvents to remove and/or replace one or more reactive solvents in a crude LiFSI. In some embodiments, the LiFSI purification method includes using anhydrous organic solvents to remove impurities, such as synthesis impurities, from a crude LiFSI. In some embodiments, crude LiFSI can be made using an aqueous-based neutralization process. LiFSI salts and products made using methods of the disclosure are also described, as are uses of such salts and products and electrochemical devices that include such salts and products.

Abstract: Use of nano-sized lanthanide borate (erbium borate and dysprosium borate) compounds for wound treatment due to their significant level of wound healing effect on the cells is disclosed. In the scope of the invention, the synthesis of nanometer-sized erbium borate and dysprosium borate compound by buffered-precipitation method at room conditions and the use of these compounds in biological applications are discussed.

Abstract: A production method for producing a halide includes heat-treating, in an inert gas atmosphere, a mixed material in which LiCl and YCl3 are mixed. In the heat-treatment, the mixed material is heat-treated at higher than or equal to 200° C. and lower than or equal to 650° C.

Abstract: The present invention relates to a method of post-synthetic downsizing zeolite-type crystals and/or agglomerates thereof to nanosized particles, and in particular a heating-free and chemical-free method. The present invention also relates to nanosized particles of zeolite-type material capable of being obtained by the method of the invention and to the use of such particles as a catalyst or catalyst support for heterogeneous catalyst, or as molecular sieve, or as a cation exchanger.

Abstract: Disclosed herein are embodiments of methods for isolating rare earth elements (REEs) and radioisotopes from coal combustion products, such as fly ash. In particular embodiments, lanthanides, Al, Sc, Y, or compounds comprising lanthanides, AI, Sc, Y, or any combination thereof; or actinides can be isolated using the methods disclosed herein.

Abstract: A process includes supplying a bromide brine and removing organic compounds from the bromide brine. The method also includes acidifying the bromide brine to form a stream containing hydrobromic acid and separating the hydrobromic acid from the stream containing hydrobromic acid.

Abstract: The present invention relates to a method for producing boron nitride nanostructures, the method comprising subjecting boron nitride precursor material to lamp ablation within an adiabatic radiative shielding environment. The nanostructures produced may include nano-onion structures. The boron nitride precursor material subjected to lamp ablation may include amorphous boron nitride, hexagonal boron nitride, cubic boron nitride, wurtzite boron nitride or a combination of two or more thereof.