Abstract: The present disclosure belongs to the technical field of battery recycling, and discloses a method for recovering an aluminum residue with a controlled particle size, and use thereof. The method includes the following steps: crushing and sieving a positive electrode sheet of a waste power battery, then, crushing at ?198° C. to ?196° C. with addition of liquid nitrogen to obtain a granular material; roasting, cooling, and grinding the granular material, adding water, shaking, settling into layers, and separating the layers to obtain a positive electrode active powder layer, a transition layer, and an aluminum residue particle layer; and shaking the aluminum residue particle layer and the transition layer for a second time, settling into layers, and collecting aluminum residue particles and a positive electrode active powder.

Abstract: The present disclosure discloses a method for preparing a ternary cathode material with a molten salt and use thereof. The method includes: mixing a nickel salt, a cobalt salt, a manganese salt, a metal oxide and an acid liquor to obtain a mixed salt solution; concurrently adding the mixed salt solution, a sodium hydroxide solution and ammonia water to a base solution to allow a reaction to obtain a precursor; and mixing the precursor, a lithium source and a molten salt, and subjecting a resulting mixture to sintering, water-washing and annealing to obtain the ternary cathode material. In the present disclosure, a bismuth/antimony-doped ternary precursor is prepared, which is sintered with a molten salt, during which bismuth/antimony oxide is melted in the molten salt, then a resulting mixture is washed with water, and annealed to form a coating layer on a surface of the material.

Abstract: The present disclosure discloses a preparation method of a layered carbon-doped sodium iron phosphate cathode material, including: placing a carbonate powder in an inert atmosphere, introducing a gaseous organic matter, and heating to allow a reaction to obtain a MCO3/C layered carbon material; and mixing the MCO3/C layered carbon material, a sodium source, ferrous phosphate, and a dispersing agent in an inert atmosphere, grinding a resulting mixture, washing and drying to remove the dispersing agent, and heating to allow a reaction in an inert atmosphere to obtain the layered carbon-doped sodium iron phosphate cathode material.

Abstract: A Sesquiterpene lactone compound, and a stereoisomer, isotopic marker, solvate and polymorph thereof, or a pharmaceutically acceptable salt thereof can be used in the preparation of drugs for alleviating radiotherapy-induced injuries. The Sesquiterpene lactone compound is applied to assist radiotherapy, can effectively alleviate the radiotherapy-induced injuries, achieves a protection effect on normal cell tissues of a human body.

Abstract: Disclosed in the present invention is a method for preparing nickel sulfate from a nickel-iron-copper alloy. The method comprises: in a high-pressure oxygen environment, mixing a nickel-iron-copper alloy crushed material, aqueous ammonia, ammonium sulphate, and a corrosion assisting agent, leaching, then performing solid-liquid separation on the leached slurry, adding a precipitant into a filtrate, and performing ammonia distillation to obtain a nickel-containing leachate; then adding an extractant into the nickel-containing leachate to extract nickel so as to obtain a nickel-containing extraction organic phase; and then adding sulfuric acid into the nickel-containing extraction organic phase to perform back extraction of nickel so as to obtain a nickel sulfate solution.

Abstract: The present disclosure discloses a preparation method and use of a high-performance modified lithium-nickel-manganese-cobalt oxide (LNMCO) nickel 55 material. In the preparation method of the present disclosure, a silica template-containing nano-precursor coated with a polymer is prepared by electrospinning, and then the nano-precursor is sintered in the air to effectively provide effective embedding and attachment sites for subsequent nickel plating; and after the nickel plating, the silica template is removed such that distributed mesopores are generated in situ on the precursor. The mesopores provide channels for the subsequent penetration of molten lithium into the interior of the precursor material. A final prepared material has a better ion and electron conduction structure compared with traditional granular materials. The present disclosure also discloses a material prepared by the method. The present disclosure also discloses an LIB including the high-performance modified LNMCO nickel 55 material.

Abstract: The present disclosure discloses a sintering-resistant material, and a preparation method and use thereof. The sintering-resistant material includes magnesium oxide, an anti-corrosive agent, an antioxidant, and a binder, where the anti-corrosive agent includes a barite powder and a porous graphite powder; the antioxidant includes aluminum carbide and an aluminum powder; the binder includes a metal chloride and a silica sol; and metals in the raw materials are all extracted from a hydrochloric acid leachate of an electric furnace slag. In the present disclosure, the preparation method of the present disclosure improves the resource utilization of the electric furnace slag. Magnesium and aluminum have the largest proportion among metal elements in the electric furnace slag, and thus magnesium oxide is used as the main material. In addition, other chloride salts leached out from the electric furnace slag by hydrochloric acid can be directly or indirectly used.

Abstract: The present disclosure discloses a preparation method of tungsten-doped cobalt tetraoxide and use thereof. The preparation method includes the following steps: dissolving a tungsten-containing compound and a molybdenum-containing compound in an alkali liquid to obtain a mixed solution; concurrently feeding the mixed solution, a cobalt salt solution, and a complexing agent into a base solution to allow a reaction to obtain a precipitate; roasting the precipitate in an oxygen-containing atmosphere to obtain a roasted material; and soaking the roasted material in a sodium sulfide solution to obtain the tungsten-doped cobalt tetraoxide. In the present disclosure, tungsten is doped, and tungsten has a large atomic radius, which stabilizes an internal structure of the material, expands the ion channel, and improves the cycling performance of the material; and molybdenum is removed through a soaking process, which provides atomic vacancies to further improve a specific capacity of the material.

Abstract: Disclosed are a photocatalyst and application thereof in environmentally friendly photocatalytic treatment of a power battery. The photocatalyst is obtained by loading Ag—TaON on a hollow glass microsphere, wherein a mass ratio of the Ag—TaON to the hollow glass microsphere is 1:5 to 10. According to the invention, the Ag—TaON and the hollow glass microsphere are compounded, the hollow glass microsphere has better light permeability, which avoids mutual shielding between catalysts, such that the photocatalyst filled in a reactor is fully excited, which is capable of effectively improving a light utilization rate, thus improving the catalytic conversion efficiency of the photocatalyst.

Abstract: Disclosed are a silicon-doped graphene composite material and a preparation method and application thereof. The silicon-doped graphene composite material comprises silicon and graphene; the silicon is doped in the graphene. The silicon-doped graphene composite material of the present disclosure has excellent charge and discharge capacity and structural stability; the silicon-doped graphene composite material is based on the graphene structure, with silicon atoms replacing the carbon atoms in a two-dimensional network structure of the graphene. The silicon-doped graphene composite material of the present disclosure has a layered structure similar to graphite materials, but is superior to other graphene materials in charge and discharge capacity, which is due to the fact that lithium intercalation sites are constructed by the silicon doped sites.

Abstract: A sesquiterpene lactone compound is used in preparing a drug for treating optic neuritis. The sesquiterpene lactone compound and a pharmaceutically acceptable auxiliary material are prepared into a drug. ACT001 can effectively inhibit the inflammatory response of microglia, and can significantly reduce the release of inflammatory factors, comprising NO, TNF-?, and IL-6. It has the effect of inhibiting the proliferation of BV2 cells and curative effects on optic neuritis, particularly neuromyelitis optica.

Abstract: The present disclosure provides a disassembly mechanism, a disassembly system of a power battery pack with the disassembly mechanism and a disassembly method of the power battery pack. The above disassembly mechanism includes a die base assembly, a pressing assembly and a removal tool assembly. The pressing assembly is movably connected to the die base assembly, and is used to abut against and press a single battery of a power battery pack. The removal tool assembly is slidably connected to the die base assembly and elastically connected to the die base assembly. The removal tool assembly is used to squeeze and separate a casing and the single battery of the power battery pack. The above disassembly mechanism can realize automatic disassembly of the power battery pack with few manual intervention, and solves the problem of low efficiency in the recycling and disassembly process of the power battery pack.

Abstract: The present disclosure belongs to the technical field of lithium battery recycling, and discloses a method for separating and recovering valuable metals from waste ternary lithium batteries. The method includes the following steps: adding a persulfate to a waste ternary lithium battery powder, and conducting oxidative acid leaching to obtain a leaching liquor and a leaching residue; adding an alkali to the leaching liquor to allow a precipitation reaction; adding a sulfide salt to allow a reaction; adjusting a pH to allow a precipitation reaction to obtain a nickel hydroxide precipitate and a liquid phase A; adding a carbonate to the liquid phase A to allow a reaction, and conducting solid-liquid separation (SLS) to obtain lithium carbonate; and subjecting the leaching residue to calcination, adding a chlorate, heating a resulting mixture, and conducting SLS to obtain manganese dioxide.

Abstract: The present disclosure discloses a method for recovering and purifying nickel from ferronickel, comprising the following steps: (1) mixing ferronickel with hydrochloric acid, and heating for dissolution; subjecting a resulting slurry to solid-liquid separation to obtain a liquid phase; and adding an oxidant to the liquid phase to obtain a hydrochloric acid-leaching liquor; (2) subjecting the hydrochloric acid-leaching liquor to evaporation, and adding a precipitating agent to allow a reaction; separating out a liquid phase, adding ammonia water to adjust a pH, and adding a water-soluable alcohol solution; and cooling for precipitation to obtain a nickel complex crystal; and (3) dissolving the nickel complex crystal, and adding an oxidant; and subjecting a resulting mixture to a light treatment, and adjusting a pH with an acid to obtain a nickel chloride solution.

Abstract: A method for recycling a lithium battery cathode material. Residual aluminum on the positive electrode sheet is dissolved by a sodium hydroxide solution, and lithium in the cathode material enters the solution during the dissolution of aluminum, such that an ionic potential is vacated on the cathode material; a residue is washed to avoid sodium ion contamination, then dried, and allowed to react with metallic lithium and lithium sulfide under heating, such that crystal lattices of the material change; a product after first-stage lithium supplementation is directly sintered with a lithium source in an oxygen atmosphere to obtain monocrystalline ternary cathode material agglomerates, where a sintering method and a sintering temperature are controlled; and the agglomerates are crushed, then washed to remove residual lithium on the surface, and dried to obtain a monocrystalline ternary cathode material, which has the performance close to that of the initially synthesized monocrystalline cathode material.

Abstract: The present disclosure discloses a wet process for recovering valuable metals from a lithium battery. In the method, a waste lithium battery powder is subjected to selective leaching under the condition that a hydrogen sulfide gas is introduced through pressurization, such that Mn2+, Li+, and Al3+ metal ions enter a first-stage leaching liquor and nickel, cobalt, copper, and iron exist in a first-stage leaching residue in the form of a sulfide; then a pH of the first-stage leaching liquor is adjusted to remove aluminum and manganese, which achieves extremely thorough metal separation and leads to relatively pure products; a first-stage leaching residue is subjected to leaching in an acid liquor under a negative pressure, such that the sulfides of nickel, cobalt, iron, and copper are dissolved in a second-stage leaching liquor, and a hydrogen sulfide gas produced can be recycled in the first-stage leaching procedure through pressurization.

Abstract: Embodiments of the present disclosure provide method and apparatus for monitoring event configuration. A method performed by a first mobile management node comprises receiving information regarding a first interworking service capability exposure function (IWK-SCEF) from a second mobile management node. The method further comprises determining whether the first mobile management node and the second mobile management node use a same IWK-SCEF based on the information regarding the first IWK-SCEF. The method further comprises sending an indication of whether the first mobile management node and the second mobile management node use the same IWK-SCEF to the second mobile management node.

Abstract: Disclosed is an automatic production line for cascade utilization of power batteries, which is sequentially provided along the transmission direction of materials with: an appearance detection system, a screening device, a transport system, a residual energy detection device, a tab installation device and an assembling system, and in addition, is provided with a grouping device and a film sticking device, where the grouping device is located among the residual energy detection device, the tab installation device and a grouping station.

Abstract: Disclosed is an automatic production line for cascade utilization of power batteries, which is sequentially provided along the transmission direction of materials with: an appearance detection system, a screening device, a transport system, a residual energy detection device, a tab installation device and an assembling system, and in addition, is provided with a grouping device and a film sticking device, where the grouping device is located among the residual energy detection device, the tab installation device and a grouping station.

Abstract: Disclosed is an incomplete extraction method for recycling batteries, which may include: introducing a pretreatment gas into a device loaded with a waste battery powder, and bringing a gas outlet into communication with absorption liquid A and absorption liquid B in order; raising the temperature and introducing the pretreatment gas; reducing the temperature and introducing a reaction gas; raising the temperature, introducing the reaction gas, and then introducing the pretreatment gas; and reducing the temperature, and turning off the pretreatment gas; adding an extractant to absorption liquid A, mixing the mixture, taking organic phase A, adding a stripping agent, and taking aqueous phase A; and adjusting the pH to acidity, then adding an extractant, taking organic phase B, adding a stripping agent to obtain a stock solution enriched in Li, Mn, Ni and Co.