149 results about "Alkaline battery" patented technology

The invention provides a battery defect detection method and system based on an FCS-YOLOv8 algorithm, and relates to the technical field of alkaline battery electrode defect detection. Comprising the steps that a YOLOv8 basic model is improved to generate an FCS-YOLOv8 neural network model, and a Faster Net module is adopted to replace a backbone network of the YOLOv8 basic model; integrating a mixed attention mechanism module CBAM at the tail end of a backbone network of the YOLOv8 basic model; a fine-grained convolution module SPD-Conv is adopted to replace step convolution with the step length being 2 in a neck network of the YOLOv8 basic model; wIoU is adopted as a bounding box regression loss function to replace a CIoU loss function of a YOLOv8 basic model; the FCS-YOLOv8 neural network model is trained through a preset data set; and inputting a to-be-detected battery picture into the trained FCS-YOLOv8 neural network model to generate a battery defect detection result. The problems that an existing detection algorithm is insufficient in calculation complexity, small defect detection capacity and positioning precision are solved, and meanwhile the requirements for high efficiency and high precision in industrial production are met.

The invention discloses an automatic mixing system for alkaline batteries. A main material weighing station is provided with a main material tank, a main material weighing platform and a main material cup; the auxiliary material weighing device is provided with an auxiliary material tank, an auxiliary material weighing table and an auxiliary material cup; an automatic mixing tank is mounted between the auxiliary material weighing table and the main material weighing table, a main material manipulator is mounted on the side surface of the main material weighing table, and an auxiliary material manipulator is mounted on the side surface of the auxiliary material weighing table; the automatic mixing tank is communicated with the electrolyte tank through a spraying pipe, the electrolyte tank is placed on the electrolyte weighing table, and a servo pump is mounted on the spraying pipe; a finished product barrel conveying mechanism is installed below the automatic mixing tank, a finished product barrel is placed on the finished product barrel conveying mechanism, and a finished product weighing table is installed below the finished product barrel conveying mechanism in a lifting mode. The device is compact in structure, full-automatic batching in a laboratory is realized, and the experimental efficiency and the accuracy and credibility of experimental data are improved.

The utility model discloses an alkaline battery steel shell high-speed coating production line which comprises a steel shell conveying and sequencing system, a steel shell coating machine, a conducting film spraying system, a drying device and a detecting device. The steel shell conveying and sequencing system, the steel shell coating machine, the drying device and the detection device are sequentially arranged from front to back, the conductive film spraying system is located on the side face of the steel shell conveying and sequencing system, production efficiency is improved, the defective product rate is reduced, manual dependence is reduced, meanwhile, stability and consistency of product quality are ensured, equipment layout is optimized, and the production cost is reduced. The occupied production space is reduced, the environmental adaptability of the production line is enhanced, the flexibility and the market response speed of the production line are improved, and the requirements of the modern battery manufacturing industry for high-efficiency and high-quality production are met.

The utility model relates to the technical field of alkaline battery processing, in particular to an alkaline battery manganese ring pressing structure which comprises a working table, an L-shaped bracket and a lifting block, a material conveying bin is arranged on one side of the top of the working table, a material mixing bin is arranged on one side of the top of the material conveying bin, and a first motor is installed on the top of the material mixing bin through bolts; a spiral stirring rod is arranged in the mixing bin; a second motor is installed on one side of the conveying bin through bolts, a spiral conveying rod is arranged on the inner side of the conveying bin, and a limiting ring is arranged on the side, corresponding to the conveying bin, of the top of the workbench. A turning cover is turned over to inject positive electrode powder manufacturing raw materials into a mixing bin, then a first motor drives a spiral stirring rod to rotate to evenly mix the raw materials, after the raw materials are evenly mixed, a discharging valve is opened to enable the raw materials to enter a conveying bin, and then a second motor is started to drive a spiral conveying rod to rotate so that the raw materials can be evenly conveyed into a film pressing bin. Therefore, the processing efficiency is improved.

This nickel hydrogen secondary battery 2 comprises an outer can 10 having an opening on the upper edge thereof, an electrode group 22 accommodated together with an alkaline liquid electrolyte within the outer can 10, and a sealing body 11 secured by crimping to the opening portion of the outer can 10 with a gasket 12 interposed therebetween, the gasket 12 containing a polyamide resin having a weight-average molecular weight of 40,000 or greater.

The present invention discloses a diazine-based organic negative electrode material for aqueous alkaline batteries and its application, relating to the field of battery technology. This type of organic negative electrode has an electrochemical redox active center with a nitrogen-nitrogen double bond (N=N), including but not limited to azobenzene; azobenzene modified with at least one of halogen, methyl, and nitro functional groups; benzo[c]cinnoline; and benzo[c]cinnoline modified with at least one of halogen, methyl, and nitro functional groups. The organic negative electrode material provided by the present invention can operate stably under various alkaline conditions and is compatible with nickel hydroxide positive electrodes and air positive electrodes. The material has excellent rate performance and long-term cycle stability, and its wide source makes it suitable for large-scale application.

The application discloses a low-temperature-resistant electrolyte for alkaline batteries and a preparation method thereof, and relates to the technical field of electrolytes. The application comprises the following raw materials in mass fraction: glycerol triacetate 11-13 parts, potassium hydroxide aqueous solution 100-150 parts, fluorine-containing additive 1-5 parts, and organic dispersion 21.3-28 parts; the organic dispersion is prepared from ethylene glycol, tetrabutylammonium trifluoromethanesulfonate, hybrid nanosheet and glycerol triacetate. The hybrid nanosheet prepared from hexagonal boron nitride, cerium ammonium nitrate, urea and polyethylene glycol 400 effectively improves the ion conductivity and cycle stability maintenance rate of the electrolyte at low temperature. The introduction of the components such as glycerol triacetate and fluorine-containing additive in the application further improves the performance maintenance rate of the electrolyte at low temperature, and simultaneously reduces the viscosity of the electrolyte at low temperature. Therefore, the application has a more extensive application prospect.

The utility model discloses an alkaline battery sealing device relates to battery production processing technical field, including sealing device ontology, and the workstation is provided with the fixed lower mould, and the fixed lower mould is installed with the elastic cover, and the workstation is installed with the supporting block, and the output of guide telescopic link is installed with the fixed plate, and the fixed plate is installed with the push rod, and the push rod is rotatably installed with the connecting rod, and the other end of connecting rod is rotatably installed with the rotating rod, and the rotating rod is installed with the gear ring, and the gear ring is installed with the gear and engages, and the workstation is rotatably installed with the pivot, and the gear is fixed and is connected on the pivot, and the L type piece is installed with the torsion spring, and the other end of torsion spring is installed on the ratchet pawl, and the pivot top is installed with the knob, and the knob is installed with a plurality of circumferential array's rotation block, the utility model discloses, can be sealed alkaline battery clamped fixed and adapt to different size's alkaline battery, and the ratchet pawl will be clamped in the gear gap of ratchet wheel, can hinder the clockwise rotation of ratchet wheel, and the sealing of alkaline battery is relatively stable.

The invention relates to the technical field of alkaline batteries, in particular to a high-humidity-resistant and anti-corrosion alkaline battery positive electrode composite conductive material and a preparation method thereof. The positive electrode composite conductive material comprises 50-70 parts of modified carbon nanotubes, 20-30 parts of crystalline flake graphite, 5-15 parts of molybdenum-doped SnO, 3-8 parts of a binder and 0.5-2 parts of conductive carbon black. The material is particularly suitable for high-humidity and strong-alkali environments (such as ocean equipment batteries and tropical region energy storage systems), has long service life and high output efficiency, and overcomes the defects that a traditional conductive material is easy to corrode and rapid in conductivity attenuation. The preparation method disclosed by the invention is simple and convenient to operate and clear in flow, does not need complex equipment and special process conditions, reduces the production cost and the production difficulty, is easy to realize industrial production, and is beneficial to popularization and application of the technology.

The invention discloses aquadag for an alkaline battery and application of the aquadag. The aquadag comprises the following raw materials in percentage by weight: 12-16% of graphite powder, 5-8% of conductive carbon black, 1-2% of graphene, 15-18% of epoxy resin, 30-50% of butanone and 10-20% of cyclohexanone. The preparation method of the aquadag comprises the following steps: (1) uniformly stirring butanone and cyclohexanone to obtain a composite solvent; (2) adding solid epoxy resin into the composite solvent, and stirring at 800-1000 rpm to completely dissolve the solid epoxy resin; (3) slowly adding graphite powder and conductive carbon black graphene into the composite solvent, and dispersing at a high speed of 1100-1200 rpm for 45-50 min to obtain a mixture; and (4) carrying out ball milling on the mixture, sieving with a 200-mesh sieve, and discharging to obtain the aquadag. The graphene is doped into the aquadag, so that the technical effect of improving the comprehensive performance of the battery is achieved.

An electronic lock is disclosed. The electronic lock may be compatible with battery packs having different chemistries. In an example, the electronic lock may be compatible with both alkaline battery packs and lithium battery packs. In some embodiments, operation of the electronic lock is based on the chemistry of the battery pack. Examples of operations of the electronic lock that may be based on the chemistry of the battery pack include operation of a motor for moving a bolt between an extended position and a retracted position, low-power mode operations, and processes for determining a remaining power of the battery pack.

Disclosed are a method for producing an electrode for a galvanic cell, an electrode for a galvanic cell, a galvanic cell, and uses of the galvanic cell. The method comprises: applying a separator membrane to a planar electrode such that an intermediate space is formed between the planar electrode and the separator membrane; subsequently applying a liquid comprising a particular material to the separator membrane, wherein the liquid comprising material penetrates, by way of capillary forces, at least into the pores of the separator membrane, into the intermediate space between the planar electrode and the separator membrane and into pores of the planar electrode, wherein the liquid is subsequently evaporated. The method makes it easily and inexpensively possible to provide an electrode which exhibits a high energy density at the cell level and high chemical, electrochemical and mechanical stability, exhibits high cycle stability and allows high operating currents.

To restrain liquid spill of alkaline battery for a long period of time.SOLUTION: An alkaline battery includes a bottomed cylindrical case having an opening end portion, a power generating element accommodated in the case, and a sealing unit for sealing the opening end portion. The power generating element includes a hollow cylindrical positive electrode, a negative electrode filled in the hollow of the positive electrode, and a separator interposed between the positive electrode and the negative electrode. The opening end portion has an annular groove that is recessed inward and supports the sealing unit, and the end face of the negative electrode on the opening end portion side is covered with a gel-like shielding layer. The gel-like shielding layer contains an alkaline electrolyte and cross-linked polyacrylic acid. The content of the cross-linked polyacrylic acid in the gel-like shielding layer is 2.0% by mass or more and 3.0% by mass or less.SELECTED DRAWING: Figure 1

To provide an alkaline battery in which a negative electrode mixture is less likely to leak.SOLUTION: An alkaline battery 1 includes: a bottomed cylindrical positive electrode can 2 having a bottom face on which a positive electrode terminal is formed; a cylindrical positive electrode mixture 3 provided inside the positive electrode can 2; a cylindrical separator 7 provided on the inner peripheral side of the positive electrode mixture 3; a negative electrode mixture 5 filling the inner peripheral side of the separator 7; a current collector rod 6; a gasket 14 having a support part 41 and an annular outer peripheral part 42 and closing an opening 18 of the positive electrode can 2; a negative electrode terminal plate 12 provided opposite the separator 7 with the gasket 14 sandwiched therebetween; a first facing part 421 facing the inner peripheral surface 7a of the separator 7 at an end on the negative electrode terminal plate 12 side; and a second facing part 422 facing the outer peripheral surface 7b of the separator 7 at an end on the negative electrode terminal plate 12 side. A buffer part 43 is formed on the outer peripheral part 42, and the first facing part 421 and the second facing part 422 are provided at positions avoiding the buffer part 43 as viewed along the central axis C of the positive electrode can 2.SELECTED DRAWING: Figure 2

Systems, apparatuses, and / or the like are provided. In some embodiments, an electrochemical cell may include a container, a ring-shaped cathode disposed within the container, wherein the ring-shaped cathode defines an open interior, an anode disposed within the open interior of the ring-shaped cathode, a separator disposed between the cathode and the anode, an electrolyte solution, and a current collector electrically connected with a portion of the container, wherein the current collector is positioned at least partially within the anode. For example, current collectors may include a base including a first material that is fixedly attached to the portion of the container and a zinc component composed of a second material and fixedly attached to the base.

The utility model discloses an alkaline battery sealing glue coating device, which relates to the technical field of glue coating devices and comprises a bottom plate, the top end of the bottom plate is fixedly connected with a mounting frame, one side of the mounting frame is slidably connected with a lifting block, and one side of the lifting block is fixedly connected with a protective sleeve. By the adoption of the structure, the driving assembly is installed on the lifting block, the glue outlet pipe can be driven by the driving assembly to rotate below the glue guide pipe, the glue outlet pipe drives the glue outlet head to rotate, glue rotates in the glue outlet head, and therefore the effect of even distribution is achieved, and it can be guaranteed that the glue is evenly distributed in the spraying process; the glue can uniformly cover the battery sealing position, the situation that the glue is not uniformly distributed or missed is avoided, compared with a traditional fixed glue outlet head and a rotary glue outlet head, the spraying efficiency can be remarkably improved, the glue outlet channels are formed in the bottom of the glue outlet head, and the uniform coating capacity of the sealing glue at the battery sealing position can be remarkably improved.

The invention discloses efficient preparation equipment for KOH electrolyte of an alkaline battery, which comprises a stirring preparation module, a cooling module, an electrolyte storage module and an operation platform, the operation platform comprises a longitudinal aisle and a plurality of transverse aisles, and the plurality of transverse aisles are uniformly distributed at intervals along the longitudinal direction and are vertically butted with the longitudinal aisle to form a latticed channel; the two sides of the end, close to the longitudinal aisle, of each transverse aisle are each provided with a stirring and preparing module, and a plurality of electrolyte storage modules are arranged on the same side of each stirring and preparing module at intervals in the direction of the transverse aisles. And the urgent demand of the alkaline battery industry on a high-end electrolyte preparation system is met.

A portable lighting device includes a housing, a light source supported by the housing, and an alkaline battery positioned within the housing and coupled to the light source. The alkaline battery is configured to provide a drive current to the light source, and an intensity of the light source is dependent on the drive current. The portable lighting device also includes an electronic processor positioned within the housing and coupled to the light source and the alkaline battery. The electronic processor is configured to monitor a voltage of the alkaline battery, and execute a ramp-up algorithm to control the drive current based on the voltage of the alkaline battery.

The integrated universal battery box assembly comprises a base body and a battery box cover, a battery bin used for containing a battery and a circuit board are arranged in the base body, the battery bin comprises a containing cavity used for containing at least one alkaline battery, and the circuit board is arranged in the containing cavity. The circuit board is provided with an alkaline battery output end and a lithium battery output end, the alkaline battery can be electrically connected with the alkaline battery output end through an alkaline battery pole piece, and the lithium battery is electrically connected with the lithium battery output end. A battery box output end is arranged on an outer side plate of the base body, the battery box output end is electrically connected with the circuit board, and when the universal battery box assembly is installed in the servo driver, the outer side plate of the universal battery box assembly is flush with a driver main panel of the servo driver. The structure space of the servo driver is remarkably saved, an operator can conveniently replace an external power supply, and meanwhile the servo driver has wide universality.

Provided are: a gel for alkaline batteries, which has excellent impact resistance and can maintain long-term discharge characteristics (discharge amount and discharge time); and an alkaline battery using the same. A gel for alkaline batteries, which contains a cross-linked polymer (A) that comprises, as constituent monomers, acrylic acid (salt) (a1), acrylic acid-2-carboxyethyl ester (salt) (a2), and a cross-linking agent (b), the cross-linking agent (b) comprising a cross-linking agent (b1) that is hydrolyzable under alkaline conditions and a cross-linking agent (b2) that is not hydrolyzable under alkaline conditions, the weight ratio of (a1) to (a2) [(a1) / (a2)] being 99 / 1 to 99.98 / 0.02.

An electrochemical cell is provided. An exemplary electrochemical cell may include a container; an electrolyte; an anode; a cathode; a current collector; and a separator disposed between the anode and the cathode. In some embodiments, the anode and the cathode may define an interfacial area y, and the separator may define a thickness x, where a relationship between the interfacial area y and the separator thickness x is defined between # imgabs0 #.

Provided is a highly reliable button-shaped alkaline battery having excellent load characteristics. A button-shaped alkaline battery includes: a positive electrode having a positive electrode mixture layer containing a silver oxide and a conductive assistant; a negative electrode containing zinc particles; an alkaline electrolyte solution; and a battery container for accommodating the positive electrode, the negative electrode, and the alkaline electrolyte solution, the battery container including an outer can, a sealing plate, and a resin gasket. The positive electrode mixture layer contains carbon black and graphite particles as the conductive assistant, and an amount of water in the battery container is 0.63 to 1 g per 1 g of the zinc particles of the negative electrode.

The utility model discloses a safety detection device for alkaline battery production, which relates to the technical field of alkaline battery detection and comprises a base, a detection box is fixedly mounted at the top of the base, and a support frame is fixedly mounted in the middle of the rear side of the detection box. By adopting the structure, the device is provided with the detection mechanisms, so that during use, the first motor can be started to drive the turntable to rotate, so that the detection mechanisms on the outer side can alternately change positions, and when stamping detection is needed, the electric push rod pushes the stamping block at the bottom of the pressure sensor to apply pressure to an alkaline battery, and the pressure sensor monitors the pressure in real time; the stamping blocks at the bottoms of the mounting blocks are different in shape, the first motor is driven to rotate the rotary table, the positions of the stamping blocks can be adjusted, different detection requirements can be met, the mounting blocks can be detached if the stamping blocks need to be replaced and the hand-twisting type screw rods are twisted, convenient replacement is achieved, and the detection flexibility and comprehensiveness are improved.

A fluorene-based ionomer containing long alkyl side chains, its preparation method, and its application in anion exchange membranes. This invention belongs to the field of fluorene-based ionomers and their preparation. The purpose of this invention is to solve the technical problem that existing anion exchange membranes based on polymers constructed from ether-free polyfluorene backbones and quaternary ammonium salt cations cannot achieve an optimal balance between mechanical and ion conductivity. This invention introduces long alkyl side chains of a specific length onto a highly rigid fluorene-based polymer backbone, constructing a molecular structure that combines rigidity and flexibility, thereby significantly improving the overall performance of the anion exchange membrane. The resulting fluorene-based ionomer containing long alkyl side chains is applied as an anion exchange membrane component in the field of fuel cell alkaline batteries.

The invention discloses a low-temperature-resistant electrolyte for an alkaline battery and a preparation method of the low-temperature-resistant electrolyte, and relates to the technical field of electrolytes. The invention discloses a fluorine-containing cleaning agent, which is prepared from the following raw materials in parts by mass: 11 to 13 parts of glycerol triacetate, 100 to 150 parts of potassium hydroxide aqueous solution, 1 to 5 parts of fluorine-containing additive and 21.3 to 28 parts of organic dispersion liquid, the organic dispersion liquid is prepared from ethylene glycol, tetrabutyl ammonium trifluoromethanesulfonate, a hybrid nanosheet and glycerol triacetate. The hybrid nanosheets prepared from hexagonal boron nitride, ceric ammonium nitrate, urea, polyethylene glycol 400 and other components effectively improve the ionic conductivity and cycle stability retention rate of the electrolyte at low temperature; due to the introduction of the glycerol triacetate, the fluorine-containing additive and other components, the performance retention rate of the electrolyte at the low temperature is further improved, and meanwhile the viscosity of the electrolyte at the low temperature is reduced. Therefore, the method has a wider application prospect.

The invention relates to a method for extracting zinc from a solution S1 comprising zinc and at least one metallic element other than zinc and cobalt, which method is characterized in that it comprises at least the following steps: a) reaction between zinc and at least one ligand chosen from imidazole and its derivatives by bringing the solution S1 into contact with the ligand(s), whereby a precipitate with a zeolitic imidazolate structure is obtained; b) recovery of the precipitate. It also relates to a method for preparing a zinc oxide, by implementing said extraction method. Applications: treatment and recycling of used materials comprising zinc, for example recycling of a used alkaline battery in order to recycle the zinc.

The utility model discloses a wire pressing device for alkaline battery production, which relates to the field of wire pressing for alkaline battery production and comprises a bottom plate, a servo motor is fixedly mounted on one side of the bottom of the bottom plate, a rotating disc is fixedly mounted on an output shaft of the servo motor, a plurality of placing grooves are uniformly formed in the outer ring of the rotating disc, and the placing grooves are arranged in the bottom of the bottom plate. A plurality of second electric push rods are fixedly installed in the multiple placing grooves, a plurality of abutting columns are fixedly installed in the multiple placing grooves, a storage box is fixedly installed on one side of the bottom plate, and a guide slope is fixedly installed at the position, located on one side of the rotating disc, of the upper end of the bottom plate; an air cylinder is fixedly installed at the end, away from the rotary disc, of the upper end of the bottom plate, a fixing frame is fixedly installed on an output shaft of the air cylinder, and a second motor is fixedly installed at the bottom of the end, away from the output shaft of the air cylinder, of the fixing frame. By the adoption of the structure, the battery cases are guided into the storage box through the guide slope, and the collection effect is effectively improved.