Abstract: Disclosed is a disassembling mechanism for a waste battery module, including a substrate; the substrate is provided with a clamping mechanism, a cutting mechanism, a placement platform, a storage box, a traction mechanism and a linkage mechanism at a top portion; the linkage mechanism includes a sliding rod, a sliding block, a linkage rack and a gear box; and the traction mechanism is fixed at one end of the clamping mechanism far away from the placement platform, and one end of a traction member of the traction mechanism is connected with the cutting mechanism, and the other end of the traction member is connected with the sliding block.

Abstract: Disclosed is a method for preparing a graphene-based sodium ion battery negative electrode material, including adding graphene oxide into ethanol absolute, carrying out ultrasonic treatment at a certain temperature to obtain a graphene oxide alcohol dispersion, then preparing a sodium hexanitritocobaltate solution, adding the graphene oxide alcohol dispersion into the sodium hexanitritocobaltate solution, carrying out solid-liquid separation to obtain a solid, isolating the solid from oxygen for calcination, and washing and drying to obtain a graphene-based sodium ion battery negative electrode material.

Abstract: Disclosed is an underwater crushing mechanism for an aluminum housing battery, including a crusher, where the top end of the crusher is provided with a feed port, and a crushing mechanism is arranged inside the crusher below the feed port; a water body is stored in an inner cavity of the crusher, and the crushing mechanism is immersed in the water body; the crusher is provided with a spray mechanism; the crusher at the side of the spray mechanism away from the feed port is provided with a channel communicated with the inner cavity of the crusher, an opening is provided at the side of the channel away from the spray mechanism, and at least two crushed material collection chambers are arranged in the crusher at the side of the opening; and a collection frame is movably arranged in the channel.

Abstract: Disclosed is an orderly differentiated recycling and processing apparatus for waste batteries, including an apparatus housing, where several crushing cavities are arranged inside the apparatus housing along a length direction, crushing modules are provided inside each of the crushing cavities, servo cavities are provided inside the apparatus housing at both sides of the crushing cavities, several cutting modules are symmetrically arranged inside the servo cavities facing the crushing cavities, and a screen assembly is provided inside the apparatus housing below the crushing module.

Abstract: The disclosure discloses a method for recycling a lithium iron phosphate waste battery, and belongs to the technical field of battery recycling. In the method for recycling the lithium iron phosphate waste battery according to the disclosure, it takes a cathode material of the waste lithium iron phosphate battery as a main body, uses a lithium source, a ferric source and a phosphorus source to supplement lithium to the cathode material for repairing, and meanwhile, rebuilds a new lithium iron phosphate coating layer containing a carbon layer cross-linked structure on a surface of the cathode material to realize regeneration of the lithium iron phosphate The disclosure also provides a regenerated lithium iron phosphate/C cathode material prepared by the recycling method.

Abstract: A display panel includes first sub-pixels, second sub-pixels and third sub-pixels. Each pixel unit includes a first sub-pixel, a second sub-pixel and two third sub-pixels disposed in a virtual octagon. The two third sub-pixels are distributed on two opposite sides of a pixel column constituted by the first sub-pixel and the second sub-pixel.

Abstract: A preparation method of a ferrous lithium phosphate material includes the following steps: (1) mixing zinc source, copper source and complexing agent solution, then mixing with iron source and phosphoric acid source, evaporating and dehydrating to obtain a jelly, and then primary sintering the jelly under a protective atmosphere to obtain a solid-phase material; and (2) mixing the solid-phase material prepared in step (1) with a lithium source, grinding and secondary sintering under a protective atmosphere to obtain the ferrous lithium phosphate material.

Abstract: The present disclosure discloses a preparation method of a tin-based lithium cobaltate precursor and use thereof. The method involves adding a cobalt salt solution, a precipitant and a complexing agent for reaction to obtain a precipitate, wherein the precipitant is a mixed solution of carbonate and stannate; calcining the precipitate; and mixing the calcined material with dioxane, ball-milling the mixture, and subjecting the ball-milled product to a heating and pressurization treatment to obtain the tin-based lithium cobaltate precursor. In the present disclosure, after carbonate and stannate are blended, the blend react with cobalt salt to form the co-precipitate of cobalt carbonate and cobalt stannate, and after calcination, a mixture of cobalt(II,III) oxide and tin dioxide is formed. By utilizing dioxane for solvent hot pressing, particles are bonded to each other, forming grain boundary channels. In addition, by doping with tin, the conductivity of the material is improved.

Abstract: A method for preparing a copper-based anode material from a waste battery includes the following steps: (1) disassembling a waste battery and taking out an anode plate; (2) using the anode plate in step (1) as an anode and taking a copper foil current collector as a cathode, and placing the anode and the cathode in an electroplating solution for electroplating; (3) after the electroplating is completed, collecting anode powder separated from the anode and soaking the copper foil current collector in an acid solution; (4) washing and drying the soaked copper foil current collector; and (5) calcinating the copper foil current collector to obtain a copper-base anode material.

Abstract: Disclosed are a high-nickel sodium ion cathode material and a preparation method therefor and a battery, wherein a chemical formula of the high-nickel sodium ion cathode material is NaNiaCobMncO2·fCNP—Al/tMVOx, wherein a+b+c=1, 0.5?a<1, 0<b?0.25, a/b?2.5, 0<c?0.3, 0<t?0.1, 0<f?0.1, and M is at least one of sodium, copper, zinc, zirconium or ammonium.

Abstract: Disclosed is a separating mechanism for a magnetic foreign matter in a sintering slurry of a lithium ion battery, including a separating machine body; the separating machine body includes an upper cover and a separating cylinder; the upper cover is provided with a driving motor at a top end; a stirring and separating mechanism is arranged in an inner cavity of the separating cylinder; the stirring and separating mechanism includes a planetary gear set, a stirring shaft, a collecting frame, a magnetic guide sleeve and a balancing ring; the planetary gear set includes a gear ring, planetary gears, a sun gear and a connecting plate; one end of the stirring shaft is connected with a central rotating shaft of the planetary gears; the collecting frame is connected with a central rotating shaft of the sun gear; and the magnetic guide sleeve is spirally sleeved on an outer side of the stirring shaft.

Abstract: A gas absorption box includes a box body, at least one gas absorption member and an outer housing assembly, the box body has an accommodating cavity; the gas absorption member is elastic and is provided with a first inner cavity, and the first inner cavity is in communication with the outside of the box body; and the outer housing assembly is arranged in the accommodating cavity and is elastically connected to the box body, and the outer housing assembly has a second inner cavity for accommodating a gas absorbent, the second inner cavity being in communication with the first inner cavity, and the gas absorption member being capable of absorbing gas for the second inner cavity. When battery powder or some positive-electrode materials for batteries are transported, hydrogen generated by the battery powder or some positive-electrode materials for batteries gathers towards the upper portion of a ton bag.

Abstract: Disclosed is a method for recovering a waste lithium cobalt oxide battery, the method comprising: feeding a lithium cobalt oxide battery black powder in a column-shaped container, adding a first acid to the column-shaped container for heat leaching until solids in the column-shaped container are not reduced any more so as to obtain a first leachate and leaching residues, wherein the first acid is a weak acid, and a filtering structure is arranged at the bottom of the column-shaped container; and adding a second acid to the column-shaped container containing the leaching residues for heat leaching until solids in the column-shaped container are not reduced any more so as to obtain a second leachate and graphite, wherein the second acid is a strong acid. According to the present invention, consumption of an inorganic strong acid can be reduced, emission of strong acid gas is reduced, and green and low-carbon heat leaching of the black powder is achieved.

Abstract: The disclosure discloses a method for recycling a lithium iron phosphate waste battery, and belongs to the technical field of battery recycling. In the method for recycling the lithium iron phosphate waste battery according to the disclosure, it takes a cathode material of the waste lithium iron phosphate battery as a main body, uses a lithium source, a ferric source and a phosphorus source to supplement lithium to the cathode material for repairing, and meanwhile, rebuilds a new lithium iron phosphate coating layer containing a carbon layer cross-linked structure on a surface of the cathode material to realize regeneration of the lithium iron phosphate The disclosure also provides a regenerated lithium iron phosphate/C cathode material prepared by the recycling method.

Abstract: A reflux unit and a sewage treatment system are disclosed. The reflux unit includes an input section, a treatment section and an output section which are sequentially communicated. The treatment section is configured for deoxidizing a reflux substance input by the input section. The treatment section is at least partially located above an aeration port of an aeration device or the treatment section is attached to a surface of the aeration device.

Abstract: Disclosed are a high-nickel sodium ion cathode material and a preparation method therefor and a battery, wherein a chemical formula of the high-nickel sodium ion cathode material is NaNiaCobMncO2·fCNP—Al/tMVOx, wherein a+b+c=1, 0.5?a<1, 0<b?0.25, a/b?2.5, 0<c?0.3, 0<t?0.1, 0<f?0.1, and M is at least one of sodium, copper, zinc, zirconium or ammonium.

Abstract: The present disclosure discloses a method for extracting lithium from waste lithium batteries, which comprises: leaching positive electrode powder of the waste lithium battery in hydrochloric acid, and obtaining leaching solution by filtering; removing copper and iron from the leaching solution, and then introducing hydrogen sulfide gas for reaction, and performing solid-liquid separation to obtain first filter residue and first filtrate; adding potassium permanganate to the first filtrate, and performing solid-liquid separation to obtain second filter residue and second filtrate; performing spray pyrolysis on the second filtrate to obtain solid particles and tail gas, washing the solid particles with water to obtain a lotion, washing and collecting the tail gas and then mixing the tail gas with the lotion to obtain lithium salt solution.

Abstract: Disclosed is a separating mechanism for a magnetic foreign matter in a sintering slurry of a lithium ion battery, including a separating machine body; the separating machine body includes an upper cover and a separating cylinder; the upper cover is provided with a driving motor at a top end; a stirring and separating mechanism is arranged in an inner cavity of the separating cylinder; the stirring and separating mechanism includes a planetary gear set, a stirring shaft, a collecting frame, a magnetic guide sleeve and a balancing ring; the planetary gear set includes a gear ring, planetary gears, a sun gear and a connecting plate; one end of the stirring shaft is connected with a central rotating shaft of the planetary gears; the collecting frame is connected with a central rotating shaft of the sun gear; and the magnetic guide sleeve is spirally sleeved on an outer side of the stirring shaft.

Abstract: Disclosed in the present invention is a recovery process for a waste battery electrode sheet, the method comprising the following steps: subjecting a waste battery electrode sheet to shearing, drying and cold treatment, and then rolling and screening same to obtain a first positive electrode material and a first waste electrode sheet; subjecting the first waste electrode sheet to shearing, drying and cold treatment, and then rolling and screening same to obtain a second positive electrode material and a second waste electrode sheet; and roasting the first positive electrode material and the second positive electrode material to obtain a positive electrode powder. In the present invention, the aluminum content in the positive electrode material is reduced by means of step-by-step shearing, and the adhesion performance of a waste positive electrode plate binder is then reduced by means of vacuum freeze-drying and spraying with a quick-cooling agent.

Abstract: Disclosed is a dust-proof safe feeding device for power battery black powder acid leaching feeding, including a leaching tank, a blanking grid and a material shaking assembly, where the leaching tank includes a feeding port; the blanking grid is mounted in the feeding port, and the blanking grid is provided with a blanking hole; the material shaking assembly includes a material shaking member and a driving device, the material shaking member is movably arranged in the blanking hole, the driving device is connected with the material shaking member, and the driving device is configured to drive the material shaking member to move in the blanking hole.