68results about "Lead-acid accumulators construction" patented technology

This utility model discloses a storage battery applicable to the battery field, comprising an electrode assembly, a busbar, terminals, electrolyte, and a battery casing. Several annular grooves are axially arranged on the outer circumferential surface of the terminals. Anti-corrosion layers are provided on the outer circumferential surface of the terminals, the surface of the busbar facing the terminals, and the outer circumferential surface of the busbar. The portion of the terminals extending into the terminal holes in the battery casing is sequentially filled with a sealing ring, a sealing ring, a pressure nut, and colored adhesive in the direction pointing outwards from the battery casing. The battery casing is provided with a gas vent valve, and a catalyst is placed inside the battery casing near the gas vent valve. This utility model reduces battery water loss by placing a catalyst inside the battery casing near the gas vent valve. By providing anti-corrosion layers on the surfaces of the terminals and busbar, providing annular grooves on the terminal surface, and sealing the terminals to the battery casing, it reduces acid creep and corrosion of the electrolyte.

The application discloses a high-rate valve-regulated lead-acid battery and a preparation method thereof. The battery comprises a battery shell, a positive plate, a negative plate and an electrolyte arranged in the battery shell. The positive plate and the negative plate are both honeycomb lattice structure plates, and the positive plate is coated with a positive active material, and the negative plate is coated with a negative active material. The components of the positive active material include lead powder, graphite, sulfuric acid, nano lead dioxide and pure water. The components of the negative active material include lead powder, barium sulfate, sodium lignosulfonate, graphene composite additive and carbon black. The discharge rate of the high-rate valve-regulated lead-acid battery can reach 3-5C, and the discharge capacity retention rate is above 95% under the 1C discharge rate, which can meet the demand of 5G base stations, data centers and other fields for instantaneous large current and high power output.

Methods for operating a flooded electrolyte battery cell used in motive service to prevent the loss of water. When charging the cell, water in the electrolyte decomposes electrolytically to oxygen and hydrogen gases. The method includes catalytically recombining the oxygen and hydrogen gases to water vapor, inhibiting venting of the oxygen and hydrogen gases and water vapor from the cell, providing fluid communication between the catalyst and the electrolyte for the oxygen and hydrogen gases and water vapor, and hygroscopically absorbing the water vapor into the electrolyte. Devices and battery cells for carrying out the method are also provided.

This invention discloses an automatic ultrasonic welding device for lead-acid battery cover plates, including a conveying mechanism for transporting the battery. The cover-feeding mechanism includes a hopper for placing the cover plates, with a lifting component connected to the bottom of the hopper, which drives the cover plates in the hopper to move upwards. The cover-placing mechanism includes a transfer component A connected to the conveying mechanism, with a robotic arm A connected to the transfer component A, which drives the robotic arm A to move above the hopper or the conveying mechanism. The welding mechanism includes an ultrasonic welding device connected to a frame. A stop mechanism connected to the frame clamps the battery on the conveying mechanism. A translation mechanism includes a transfer component B connected to the frame, with a robotic arm B connected to the transfer component B. Compared with the prior art, this invention allows for automated and continuous cover plate placement during battery welding, improving work efficiency while reducing labor costs for enterprises.

This invention discloses a lead-salt battery in the field of battery technology, comprising: a positive electrode plate, including the above-mentioned positive electrode lead paste and positive electrode grid, wherein the positive electrode lead paste comprises: 1000 parts of lead oxide powder, 0.6-1 parts of short fibers, 100-140 parts of deionized water, 100-140 parts of ammonium thiosulfate, and 3-6 parts of positive electrode lead paste mixture, wherein ammonium thiosulfate is used as a complexing agent, to inhibit electrode sulfation, to improve electrode interface reaction kinetics, and to stabilize the structure of active materials; and a negative electrode plate, including the above-mentioned negative electrode lead paste and negative electrode grid, and a positive electrode… The lead paste comprises: 1000 parts lead oxide powder, 0.6-1 parts short fiber, 100-140 parts deionized water, 100-140 parts ammonium thiosulfate, and 17-35 parts negative electrode lead paste mixture. Ammonium thiosulfate is used as a complexing agent to inhibit plate sulfation, improve electrode interface reaction kinetics, and stabilize the structure of active materials. The electrolyte adopts a sulfuric acid-free environmentally friendly system, resulting in excellent low-temperature performance, low charging temperature rise, low corrosiveness, long cycle life, and high safety, meeting the requirements of green environmental protection and high reliability.

This invention discloses a method for repairing lead-acid batteries, belonging to the field of lead-acid battery technology. It solves the problems of low production efficiency, low success rate, or low quality in existing reverse charging methods for repairing lead-acid batteries. The method includes the following steps: sequentially discharging, reversing the polarity for charging, reversing the polarity for discharging again, and charging with the polarity in the lead-acid battery; during step 2, ensuring that the highest temperature reached by the lead-acid battery exceeds the upper limit of its temperature control range during normal use or repair; and / or, in steps 1 and 2, when the voltage change of the lead-acid battery passes through the over-discharge voltage range with the polarity in the lead-acid battery and the over-discharge voltage range with the reverse polarity in the lead-acid battery, maintaining the temperature change of the lead-acid battery as an upward trend. This method can be used for the repair of lead-acid batteries.

The invention discloses a lithium manganate positive electrode material, a preparation method and an applied lead-lithium battery, relates to the technical field of lithium manganate positive electrode materials, and solves the problems that the existing lithium manganate positive electrode material is poor in structure and interface stability and poor in rate and cycle performance. The positive electrode material is composed of a lithium manganate matrix and a double-layer composite coating, the matrix is prepared by taking lithium carbonate and manganous-manganic oxide as raw materials and doping magnesium hydroxide, aluminum hydroxide and titanium dioxide multi-plasma phase; the lithium manganate positive electrode material is prepared by uniformly compounding a lithium manganate matrix modified by a spinel inner layer, vinyl functionalized MOF and a polyvinylidene fluoride-hexafluoropropylene copolymer on the surface of an aluminum foil receiver through an electrospinning-electrospray synergistic process. The material is applied to the lead-lithium battery, shows excellent electrochemical performance and has good practical application value.

This utility model relates to the field of exhaust valve technology and discloses a safety exhaust valve for lead-acid batteries, including a lead-acid battery body and an exhaust valve pipe. Terminals are fixedly connected to the top of the lead-acid battery body near both sides. A housing is fixedly connected to the middle of the lead-acid battery body. A threaded ring is fixedly connected to the outer wall of the exhaust valve pipe near the bottom. The outer wall of the exhaust valve pipe is movably sleeved with the middle of the housing. An inverted conical cavity is opened in the middle of the inner wall of the exhaust valve pipe. The gas inside the lead-acid battery body has a certain temperature. When it encounters the condenser tube, it liquefies and flows back into the lead-acid battery body, reducing electrolyte moisture loss. The gas is buffered by the honeycomb buffer layer, pushing the push rod to move. Under the action of the hanging plate, the spring is compressed, which in turn pushes the rubber cap upward. Under the action of the sealing ring, the airtightness between the exhaust valve pipe and the rubber cap is further improved, preventing outside air from entering.

The present application relates to lead-acid battery manufacturing equipment technical field, and relates to a kind of lead-acid battery coating pole group automatic shaping machine, comprising: rack;Front-end conveying mechanism, is set to the input end of the rack;Back-end conveying mechanism, is set to the output end of the rack;Pole group shaping mechanism, is set to the rack and is located between the front-end conveying mechanism and back-end conveying mechanism;The pole group shaping mechanism includes support, drive source, rotating shaft and at least four upper and lower shaping units evenly distributed along the circumference of the rotating shaft;The rotating shaft can be rotatably connected to the support, and is driven by the drive source to rotate intermittently;Upper and lower shaping unit is fixed to the rotating shaft, for accommodating the shaping station of single pole group;The drive source can drive the rotating shaft to rotate intermittently by fixed angle.The present application overcomes the existing pole group shaping equipment due to the slow production rhythm of single-station sequential or batch processing mode and low equipment utilization.

This invention discloses a method for repairing valve-regulated lead-acid batteries, belonging to the field of lead-acid battery technology. The repair method includes: inverting the battery to be repaired in a negative pressure chamber for multi-stage pressure holding and releasing operations, and then allowing it to stand; placing the stood battery into a formation water tank for charge-discharge repair. This invention improves the stratification of the sulfuric acid electrolyte inside the battery by using negative pressure inversion, achieving rapid homogenization of the electrolyte; then heating the bottom of the battery and charging with a small current promotes the preferential dissolution of lead sulfate in the lower part of the plates, effectively reducing the difference in active material content between the upper and lower layers of the plates, ultimately achieving a balanced distribution of active materials inside the battery, effectively improving battery performance and cycle life. It eliminates the need to disassemble the battery's sealed structure, saving battery management costs during long storage periods, effectively utilizing resources, and reducing waste.

This utility model relates to the field of lead-acid battery technology, and more particularly to a vacuum formation device for lead-acid batteries, including a formation cabinet and a liquid collection box. The liquid collection box is fixedly connected inside the formation cabinet, and a charging chamber is slidably connected to the upper surface of the liquid collection box. A circulating cooling component is installed inside the formation cabinet, and the circulating cooling component includes a cooling chamber, a cooling water tank, a connecting pipe, and a linkage rod. The cooling chamber is fixedly connected inside the charging chamber, and two cooling water tanks are fixedly connected to the outer surface of the formation cabinet. This utility model enables the coolant to circulate repeatedly through the coordinated action of parts such as the cooling water tank, the cooling chamber, and the piston plate. The coolant discharged from the cooling chamber carries away the heat in the charging chamber, preventing the continuous accumulation of heat from causing excessive temperature damage to the battery or an explosion. After cooling down, the discharged coolant re-enters the cooling chamber, realizing the recycling of resources.

The application relates to a battery, a battery manufacturing method and a full-automatic busbar forming process thereof, and comprises the following steps: S1, providing a plate group, a non-lead metal strip and a battery tank, the tabs on the plate group form tab clusters, and the battery reaches a busbar forming station through a conveying belt; S2, positioning the battery on the conveying belt and the non-lead metal strip; S3, using a resistance heating assembly or a high-frequency induction heating assembly to heat the non-lead metal strip, and melting the solder on the surface of the non-lead metal strip, so that part of the tab cluster and the solder are mutually melted, and the tab cluster and the non-lead metal strip are welded together after cooling; S4, conveying the battery welded with the non-lead metal strip to a cutting station through the conveying belt; and S5, cutting the non-lead metal strip through a cutting device, and cutting off to form the final busbar of the battery. The process has high safety, the busbar is firmly welded, and the degree of automation is high, so that the production efficiency is improved.

An electrolytic cell comprising an electrolytic reaction chamber, the electrolytic reaction chamber comprising At least one electrode assembly comprising at least one cathode, at least one anode and at least one ion-permeable layer arranged between the at least one cathode and the at least one anode; and a channel system comprising at least one electrolyte fluid inlet, and at least one electrolyte fluid outlet, the channel system comprising at least one channel fluidly connecting the at least one electrolyte fluid inlet, the electrode assembly and the at least one electrolyte fluid outlet; wherein the electrolytic reaction chamber is rotatably mounted such that the electrolytic reaction chamber is rotatable about a rotation axis and wherein at least the at least one ion-permeable layer is configured to at least partially extend in a radial direction with respect to the rotation axis.

This utility model specifically relates to a battery plate sealing device, belonging to the technical field of sealing devices. It includes a workbench, a support fixedly mounted on the upper surface of the workbench, a glue sprayer fixedly mounted on the surface of the support, a motor fixedly mounted on the surface of the workbench, a turntable fixedly mounted on the output end of the motor, an air pump fixedly mounted on the upper surface of the workbench, an exhaust pipe fixedly connected to the exhaust end of the air pump, a connecting pipe slidably fitted to one end of the exhaust pipe, and an extension cover fixedly connected to one end of the connecting pipe. A support plate is fixedly mounted on the upper surface of the workbench, and a telescopic plate is fixedly mounted on the side wall of the support plate. This utility model, by setting up components such as the air pump, exhaust pipe, and extension cover, allows for rapid cooling of the glue on the surface of the battery plates when sealing is required, thanks to the high-speed airflow. This accelerates the cooling efficiency and prevents insufficient glue solidification from affecting the sealing effect.

The application discloses a high-energy-density long-service-life lead-carbon storage battery in the technical field of storage batteries, which comprises a positive plate, a negative plate and an electrolyte; the positive plate comprises positive lead paste and a positive plate grid, the positive lead paste is directly coated on the surface of the positive plate grid after being extruded, and the positive plate is obtained after curing for 24-36h under the environment of 55-65 DEG C and 80%-90% humidity and drying for 24-36h under the environment of 55-75 DEG C and 5%-25% humidity; the negative plate comprises negative lead paste and a negative plate grid, the negative lead paste is directly coated on the surface of the negative plate grid after being extruded, and the negative plate is obtained after curing for 12-24h under the environment of 25-35 DEG C and 60%-70% humidity and drying for 12-24h under the environment of 55-75 DEG C and 5%-25% humidity; the application adopts the laver-based biomass-derived carbon material prepared by a specific method, fully gives play to the synergistic effect of various components, realizes the double improvement of energy density and cycle life, simultaneously reduces the production cost, simplifies the production process, and solves the problems of low energy density, short cycle life and high production cost of the existing lead-carbon storage battery.

This invention belongs to the field of lead-acid battery technology, specifically relating to a processing technology for gel lead-acid batteries. The gel lead-acid battery processing technology includes the following steps: Acid cycling formation: After the battery completes acid cycling formation, it is cooled; Pre-cycle discharge: The cooled battery is transported to the gel cycling system area, a gel cycling connector is installed, and the circuit is connected for discharge. After discharge, the battery begins gel cycling; Battery gel cycling: A gaseous SiO2 and H2SO4 solution is added to the gel cycling system. After discharge, the gel cycling system is started to begin gel cycling; Battery charging: At the end of the gel cycling phase, the battery is charged with a constant current. After charging, the gel cycling is stopped, the battery is drained, and then charged with a constant voltage. The gel lead-acid battery processing technology provided by this invention, by adjusting the ratio of silica and sulfuric acid solution, and by using a specific gel cycling process and gel cycling connector, reduces the production cycle and production cost, and improves product quality.

A bushing (40A) for a lead-acid battery includes: a cylindrical bushing main body portion (41) that can be fitted to a pole (45); and a columnar terminal portion (50) located at a position offset from the bushing main body portion (41) in plan view, in which the terminal portion (50) includes: a pedestal portion (52) integrally coupled to the bushing main body portion (41) via a coupling portion; and a connecting portion (51) which is located on the pedestal portion (52) and to which an external terminal is connected, and in which the pedestal portion (52) has a recessed cavity portion (53) on a bottom surface of the pedestal portion (52).

This utility model is entitled "Acid Adding Fixture for Lead-Acid Battery Formation." It belongs to the technical field. Its main purpose is to solve the problem that current methods of adding acid before formation result in delayed circulating water cooling and charging, which negatively impacts battery formation and post-formation performance. Its main features are: it consists of an acid injection head positioner, an acid injection head, a movable support and handle, and a fixed support; wherein, the fixed support is fixed above the formation tank; one end of the movable support and handle is rotatably connected to the fixed support, and the other end is rotatably connected to the acid injection head positioner; the acid injection head is mounted on the acid injection head positioner and matches the position of the acid injection hole of the lead-acid battery to be formed. This utility model has the advantages of reducing the immersion time after acid addition, controlling the electrolyte temperature, improving production efficiency, and enhancing battery performance. It is mainly used in the acid adding process of lead-acid batteries.

In this lead-acid battery, a positive electrode plate comprises a plurality of porous tubes, a core metal, a positive electrode material, and a current collector. The positive electrode material includes 0.03 mass% or more of Sb, and the density of the positive electrode material is 3.2 g / cm3 or more. The tube includes an oxygen-containing organic compound, and the LC / MS spectrum of the oxygen-containing organic compound measured with chloroform as a solvent has multiple peaks in a region where the m / z value is 400-2000. The multiple peaks are present at intervals of m / z values 20-25 and 40-50. All oxygen atoms in the oxygen-containing organic compound are contained in at least one of an ether bond and a hydroxyl group. The ratio of the total mass of oxygen atoms in the oxygen-containing organic compound to the mass of the oxygen-containing organic compound is less than 0.320. The mass of the oxygen-containing organic compound contained in the tube is 0.03-0.6 mass% of the mass of the electrolyte.

The present invention relates to an electrode lead made of dissimilar metals and a method of manufacturing the same, and more particularly to an electrode lead including a first metal plate and a second metal plate, wherein a first metal constituting the first metal plate and second metals having a lower melting temperature than the first metal are mixed in the second metal plate in the state in which the second metals are dispersed, and a method of manufacturing the same.

Lead-acid battery, in particular large-capacity battery, with a housing (2) and a plurality of electrode plates (6, 7) arranged in the housing (2), wherein positive and negative electrode plates (6, 7) are provided, which alternate with a separator (8) in between, wherein the housing (2) has a base body (3) open on one side and a cover (5) closing the open side (4) of the base body (3), wherein the positive electrode plates (6) on the one hand and the negative electrode plates (7) on the other hand are each electrically connected to each other by means of a terminal bridge (12, 13), wherein each terminal bridge (12, 13) carries a terminal pole (14, 15), wherein the terminal poles (14, 15) project through a respective through-opening (16) in the cover (5), characterized in thatthat the connecting pole (15) of the positive electrode plates (6) is longitudinally displaceable from the associated through-hole (16) in relation to the cover (5).

The application discloses a kind of graphene negative electrode structure containing topological defects and its preparation method and application, including containing topological defects graphene material;The graphene material is the main body of negative electrode active material or its surface coating, and the topological defect is Stone-Wales defect formed by adjacent five-membered carbon ring and seven-membered carbon ring in the lattice of graphene material.The application can guide lithium uniform deposition, inhibit dendrite growth, and the defect graphene negative electrode of the application has strong adsorption and activation effect on lithium ions at lattice defects, and can be used as nucleation site for lithium preferential deposition.

The application provides an AGM battery pole group tight assembly structure and belongs to the technical field of lead-acid batteries. The AGM battery pole group tight assembly structure comprises two side pressing plates, which are pressed between a pole group and a battery tank, are used for controlling pole group assembly pressure and limiting pole group transverse displacement, and simultaneously avoid damaging side pole plates during the process of assembling the pole group into the tank. Upper ends of the two side pressing plates form a plurality of limiting structures, the limiting structures comprise horizontal limiting plates and horizontal pressing plates, are relatively inserted and assembled, and are used for preventing longitudinal lengthening of pole plates of the pole group and limiting longitudinal displacement of the pole group. The AGM battery pole group tight assembly structure improves the consistency of pole group assembly pressure and the consistency of pole group vibration resistance. In addition, the two side pressing plates are independently arranged, can be adjusted in height and length of the horizontal pressing plates according to thicknesses of pole groups of different models and structures of battery tanks, can meet the requirements of pole group assembly and assembly pressure, have strong universality, and can be applied to pole groups of different models.

The application provides a manufacturing method of a lead-acid battery, comprising the following steps: S1, sequentially performing lead powder manufacturing, grid manufacturing and paste and plate coating; S2, curing the plate, and the specific steps are as follows: curing and drying the plate through multiple temperature and humidity, drying the plate in a curing chamber, the temperature is 28-32 DEG C, the humidity is 10%-14%, and the time is 20-25 min; and S3, sequentially performing the processes of slicing, plate packaging, casting welding, wall welding, heat sealing, acid adding, charging, and small cover sealing. By using the method, the technical problems of plate cracking, powder falling, poor strength and low consistency can be better solved.

This invention discloses an energy storage battery and its manufacturing process, belonging to the field of solar energy storage battery technology. It includes: a main structure; the main structure includes a battery casing, the top of which is encapsulated with a cover plate, battery terminals installed on both sides inside the cover plate, and a positive electrode plate and a negative electrode plate respectively disposed within the inner cavity of the battery casing, with the positive and negative electrode plates alternately arranged. This invention redesigns the shape of the positive and negative electrode plates, using a three-dimensional wave structure to increase the contact area between the positive and negative electrode plates and the electrolyte, thereby improving the oxidation-reduction reaction rate. Subsequently, the grid alloy composition and positive electrode lead paste formulation are optimized, utilizing a lead-calcium-tin-aluminum system to suppress grid corrosion, improve conductivity, refine grains, reduce microcracks, enhance the alloy's creep resistance, and improve the battery's capacity recovery rate and cycle life after deep discharge, thus optimizing the battery's performance.

The application discloses to the technical field of lead-acid storage batteries, and particularly relates to a lead-acid storage battery recovery method, which comprises the following specific steps: S1, battery detection: firstly, appearance inspection is performed on the lead-acid storage battery to check whether defects exist, then a battery detector is used to detect the parameters of the battery, and the damage degree and main problems of the battery are determined; S2, electrolyte extraction and cleaning: all electrolyte in the battery is extracted, then distilled water is added into the battery to soak the plates, after soaking, the distilled water is extracted, and the cleaning process is repeated. The application can avoid secondary damage of the plates caused by large current, accurately solve the problem of capacity reduction caused by plate vulcanization, and has more remarkable recovery effect compared with the case that lead sulfate crystals cannot be decomposed in conventional charging.

This invention discloses a lead-acid battery using a titanium substrate grid (hereinafter referred to as a titanium-based lead-acid battery) and its preparation method. The titanium substrate grid used in the titanium-based lead-acid battery includes a titanium-based positive electrode grid and a titanium-based negative electrode grid for preparing the positive and negative electrode plates. Both the titanium-based positive and negative electrode grids have a titanium / intermediate layer / lead sandwich structure, the difference being that the intermediate layer of the positive electrode grid is composed of a metal oxide with good conductivity and corrosion resistance; the intermediate layer of the negative electrode grid is composed of a conductive metal layer with good corrosion resistance. The intermediate layers of both the positive and negative electrode grids can prevent the titanium substrate from being oxidized and improve the conductivity between the titanium substrate and the surface lead metal layer. This titanium / intermediate layer / lead titanium-based positive and negative electrode grid structure has the characteristics of light weight, good corrosion resistance, good conductivity, and good binding with active materials. The energy density of the titanium-based lead-acid battery exceeds 70 Wh / kg.

To provide a lead-acid battery that exhibits excellent life performance in a life test that assumes the way an auxiliary battery is used during parking of an automobile.SOLUTION: A lead-acid battery comprises: a negative electrode 9 containing a negative electrode active material 13; a positive electrode 10 containing a positive electrode active material 15; a separator 11 disposed between the negative electrode 9 and the positive electrode 10; and a non-woven fabric 20 disposed in at least one of a portion between the negative electrode 9 and the separator 11 and a portion between the positive electrode 10 and the separator 11. A ratio of the mass of the positive electrode active material 15 to that of the negative electrode active material 13 is 1.50 or more.SELECTED DRAWING: Figure 2

The utility model relates to a battery production technical field, concretely relates to a battery pole group slot guiding device. Including ring board, the front and back both sides of ring board upper end are equipped with the recess groove with the baffle in battery shell and the left and right side wall of battery shell correspondingly, the recess groove of front and back two corresponds and inserts the plug -in board, the plug -in board is T -shaped, the front and back both ends of plug -in board upper part are inserted in the recess groove of front and back two sides respectively, the detachable fixed connection of plug -in board upper part and ring board, the left and right sides of plug -in board upper end all are processed with upper guide inclined plane, the length of upper guide inclined plane is greater than the length of plug -in board lower part, the recess groove is equipped with in plug -in board lower end, the left and right sides of plug -in board lower end all are processed with lower guide inclined plane. The utility model solves the problem such as high cost, easy wear and tear, positioning accuracy deficiency of traditional guiding device through split modular design, multistage guide inclined plane optimization and elastic positioning structure.