Guangdong Brunp Recycling Technology Co., Ltd

Hunan Brunp Recycling Technology Co. Ltd.

Hunan Brunp Ev Recycling Co., Ltd.

Hunan Brunp Vehicles Recycling Co., Ltd.

Yichang Brunp Contemporary Amperex Co., Ltd.

Byd Company Limited

Shenzhen Byd Auto R&d Company Limited

Yichang Brunp Recycling Technology Co., Ltd.

Hunan Brunp Ev Recycling Co., Ltc.

Haijun Yu

Gang Liu

Aixia Li

Yinghao Xie

Changdong Li

Xuemei Zhang

Yingsheng Zhong

Kang Chen

Ting Peng

Benben Wu

Jindong Wu

Bo Li

Bin Li

Xiaofeng Shen

Jianfeng Xu

Banglai Ming

Jiaojiao Sun

Shumin Liu

Yannan Ou

Bo Lin

Cunpeng Qin

Shuping Li

A method for recycling and treating an electrolytic solution of a lithium ion battery includes S1: cooling a fully discharged lithium ion battery below a freezing point of the electrolytic solution, and then disassembling and crushing the lithium ion battery to obtain a crushed solid containing the electrolytic solution, S2: under a protection of an inert gas, placing the crushed solid in a supercritical COextraction instrument in which an entrainer is added; S3: conducting extraction; and S4: collection an extraction product with a cryogenic device, and adsorbing water in the extraction product using a 4 Å type lithiated molecular sieve, adsorbing HF in the extraction product using weak-base anion-exchange resin and adsorbing organic acid and alcohol in the extraction product using a 5 Å type lithiated molecular sieve.

Method for recycling and treating electrolytic solution of lithium ion battery

A fixing assembly includes a connecting sleeve, a spike member, and an elastic member; the spike member is rotatably connected to the connecting sleeve; one end of the elastic member is connected to the connecting sleeve, and the other end of the elastic member is connected to the spike member; the elastic member at least helically surrounds and abuts against the outer peripheral wall of the spike member, and the elastic member is configured to generate elastic deformation when the spike member rotates relative to the connecting sleeve along a direction opposite to the helical surrounding direction of the elastic member; there is an included angle between the direction of elastic deformation and the axial extension direction of the spike member to form a helical convex elastic structure.

Fixing assembly and fixing device

An ultrasonic vibrating screen includes a bottom frame, at least two screen cylinders, and a vibrating mechanism. An elastic body is provided on the bottom frame; the screen cylinders are arranged in sequence from bottom to top, each screen cylinder is provided with a screen, and one of the screen cylinders is connected with the bottom frame through the elastic body. The vibrating mechanism includes a vibrating frame and at least two ultrasonic transducers, the screen cylinders are all fixed to the vibrating frame, the ultrasonic transducers are fixed to the vibrating frame, and the ultrasonic transducers drive the vibrating frame to vibrate. By fixing all the screen cylinders with the vibrating frame, the amplitudes and frequencies of all ultrasonic transducers which are originally unsynchronized are unified to be the same amplitude and the same frequency as much as possible.

Ultrasonic vibrating screen

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.

Dustproof safety feeding device for power battery black powder acid leaching and feeding

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.

Underwater crushing mechanism for aluminum housing battery

A disassembling mechanism for a waste battery module includes 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. The traction mechanism is fixed at one end of the clamping mechanism far away from the placement platform. 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.

Disassembling mechanism for waste battery module

The present invention provides a method for directly preparing nickel sulfate from low nickel matte, a nickel sulfate and an application thereof, the method comprising the following steps: a) pre-treating a low nickel matte to obtain ferronickel powder; b) mixing the ferronickel powder with a sulfuric acid solution, stirring, dissolving, and then evaporating, to obtain a supersaturated sulfate solution; c) cooling the supersaturated sulfate solution to −5° C.-0° C., and performing suction filtration to obtain an insoluble solid; d) washing the insoluble solid with water, and removing impurities from the filtrate to obtain a nickel hydroxide precipitate; impurity removal comprising successively removing iron, and removing calcium and magnesium; e) washing the nickel hydroxide precipitate with water, acid-dissolving and evaporating to obtain nickel sulfate. The present invention increases the amount of nickel recovered, the purity of nickel sulfate being 18.10%-19.24% nickel, and the recovery rate being 94.8%-97.1%.

Method for directly preparing nickel sulfate from low nickel matte, nickel sulfate and application thereof

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.

Orderly differentiated recycling and processing apparatus for waste batteries

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.

Method for recovering waste lithium cobalt oxide battery

A disassembling and discharging device for battery recycling includes a crushing assembly, a high pressure tank, at least one pressure relief tank, and a filtering tank. The crushing assembly is provided with a first feed port and a first discharge port communicated with the first feed port; the high pressure tank is provided with a first inner cavity for containing discharging liquid, and the first inner cavity is communicated with the first discharge port; the pressure relief tank is provided with a second inner cavity, and the second inner cavity is communicated with the first inner cavity; and the filtering tank is provided with a third inner cavity, and the third inner cavity is communicated with the second inner cavity.

Disassembling and discharging device for battery recycling

A method for preparing a zinc manganate anode material is disclosed. The method includes the following steps: (1) preparing a solution A containing a manganese ion and a solution B containing zinc alkali; (2) dispersing an adsorption carrier into the solution B; (3) using an alkali solution as a base solution and adding the solution A, the solution B and an oxidant solution to the base solution while stirring; (4) conducting a solid-liquid separation of the materials after reaction to obtain a solid; and (5) washing, drying and calcining the solid to obtain a zinc manganate anode material.

Preparation method for zinc manganate negative electrode material

Disclosed is a stirring mechanism for extracting lithium from a waste liquid of a lithium iron phosphate battery, including a pedestal, a clamping jaw and a stirring mechanism; the stirring mechanism includes a first motor, a rotating member and a stirring member; the rotating member includes a second motor, a connecting end and a rotating shaft; the rotating shaft includes an inner shaft and an outer shaft; the stirring member includes a jaw-shaped connecting base, a separating frame, a material guide wheel and a collecting frame; the jaw-shaped connecting base is connected to an outside lower end of the outer shaft; the separating frame is connected to a bottom end of the jaw-shaped connecting base; the collecting frame is connected to a bottom portion of the separating frame; and the material guide wheel is fixed to a lower end of an inner cavity of the collecting frame and is connected with a bottom end of the inner shaft.

Stirring mechanism for extracting lithium from waste liquid of lithium iron phosphate battery

A layered sodium ion battery positive electrode material and a preparation method therefor. The chemical formula of the layered sodium ion battery positive electrode material is NaMnO(MO), wherein 0<x≤1, 0.01≤a≤0.2, and M is one or two of W and Mo. The preparation method comprises: preparing a manganese salt solution and a basic potassium permanganate solution mixed with an M element material, wherein the M element material is one or two of molybdate or tungstate; adding the basic potassium permanganate solution to the manganese salt solution, and potassium permanganate solution to the manganese salt solution, and after a reaction is finished, carrying out solid-liquid separation to obtain a solid material; and washing and drying the solid material, mixing the solid material with a sodium source, and then sintering same to obtain a layered sodium ion battery positive electrode material. The layered sodium ion battery positive electrode material of the present invention enhances the framework structure of the material due to the doping of the tungsten or molybdenum element, inhibits the phase change of the material during the charging and discharging process, and can significantly improve the specific capacity, the cycle performance and the rate capability of the material.

Layered sodium ion battery positive electrode material and preparation method therefor

Disclosed is a stirring mechanism for extracting lithium from a waste liquid of a lithium iron phosphate battery, including a pedestal, a clamping mechanism and a stirring mechanism; the clamping mechanism is movably connected to a bottom portion of the pedestal; the stirring mechanism is rotatably arranged between the pedestal and the clamping mechanism; the stirring mechanism includes a motor, a rotating member and a stirring member; the rotating member is rotatably arranged in a center of a fixed portion of the clamping mechanism, and the rotating member is obliquely arranged; the stirring member is detachably connected to a bottom portion of the rotating member; and the stirring member includes a connecting base, a separating hopper and a stirring wheel which are connected in sequence.

Disclosed is a preparation method for a Prussian blue sodium-ion battery positive electrode material, comprising: adding a first nonionic surfactant and an antioxidant into a sodium ferrocyanide solution to obtain a first solution; adding a second nonionic surfactant into a transition metal salt solution to obtain a second solution; in a protective atmosphere, adding the second solution into the first solution for a precipitation reaction; aging after the reaction has finished; collecting a precipitate, washing same, and carrying out vacuum drying on the washed precipitate; then soaking same in an alcohol solution containing sodium alkoxide; and then filtering same and steam drying to obtain a Prussian blue sodium ion battery positive electrode material. The method may relieve vacuum drying pressure and shorten drying time.

Growing community of inventors

Guangdong, China

Haijun Yu