801results about "Lead-acid accumulators construction" patented technology

The present invention discloses a front-terminal vertical wide-tab direct-connected bipolar lead-acid battery and an assembly method thereof. Specifically, a new battery structure is proposed, in which the busbars between the single compartments in a conventional battery are removed, and the connection between the single compartments is replaced by a bipolar plate connection method. The plates and separators are stacked horizontally into a battery slot layer by layer in a specific arrangement order, the tabs are widened, and a row of holes are punched in the middle of the tabs of the bipolar plates. After the lamination is completed, metal rods are inserted into the holes to connect the pole groups and tabs in parallel, the pole groups are locked with a pressing plate, and each monomer is sealed by glue injection. The two halves are then bonded into a whole by glue sealing or heat sealing, and the battery is turned into an upright state. The busbars at the turning points are welded, the terminals are welded, and the side covers are sealed to complete the battery assembly. This structure can greatly improve the high-current and high-rate discharge performance of the battery, and effectively solve the high-rate discharge and assembly problems of lead-acid batteries, providing key support for technological innovation, performance breakthroughs and market expansion of lead-acid batteries.

The invention discloses multifunctional battery cell comprehensive detection and treatment integrated equipment, and aims to realize full-process automatic treatment of a battery cell from electrical performance test to internal defect detection. The equipment comprises a lead plate shell, a multifunctional battery cell detection module and a battery cell Xray detection and sorting module. The multifunctional module completes IV / OCV testing, tab shaping, cutting and size measurement in sequence through the first rotating disc mechanism, and it is ensured that the physical and electrical performance of a battery cell reaches the standard; and the Xray module carries the double Xray detection mechanisms through the second rotary table mechanism, penetrating imaging is conducted on key areas at the head and the tail of the battery cell, and high-speed sorting of good products and defective products is achieved in combination with the double-head rotary discharging mechanical arm and the NG sorting four-axis mechanical arm. The multi-shielding design of the lead plate shell and the NG sorting frame ensures radiation safety, and the modular structure supports compatibility of multi-specification battery cells. Through cooperative control of the turntable, the robot and the sensor, the detection efficiency and precision are remarkably improved.

The invention discloses a lead-acid storage battery with uniform acid, and belongs to the technical field of batteries. The lead-acid storage battery comprises a tank body with an opening at one end, a cover body matched with the tank body, and monomer cells which are assembled in the tank body and are sequentially connected, and positive plates, negative plates and partition plates of the monomer cells are all horizontally arranged. After 100 times of cycle tests, the internal acid density deviation of the battery is less than or equal to 0.002 g / mL, and the capacity and the specific energy are both improved compared with those of a traditional lead-acid battery. By horizontally arranging the positive plate, the negative plate and the partition plate, acid layering caused by gravity is eliminated, so that acid is uniformly distributed on the same horizontal plane, and the utilization rate of active substances at the middle and lower parts of the polar plates is further improved; modularized soft package single battery cells are longitudinally stacked, traditional lead cast welding is replaced by PCB welding series connection, and flexible combination of the battery cells is achieved.

The invention relates to a water-soluble plumbic acid static storage battery. The battery comprises a battery monomer, the battery monomer comprises an electrode plate, a static electrolyte and a container, the electrode plate is inserted in the electrolyte, the electrolyte comprises water-soluble lead salt, acid and water, and the battery monomer further comprises a lead dissolving agent or a structure extending the bottom end of a negative plate to the position below a positive plate. The lead dissolving agent can provide at least one water-soluble redox couple R oxidation and R reduction, and the redox couple electrode potential meets E theta (Pb < 2 + > / Pb) lt; e [theta] (R oxidation / R reduction) [lt]; e theta (PbO2 / Pb2 +). No diaphragm exists, the electrolyte is in a static state, facilities such as a circulating pump are not needed, lead ions are allowed to migrate under the concentration gradient effect, and meanwhile self-discharge caused by convection shuttling of the lead dissolving agent is greatly reduced. In the charging process, lead and lead dioxide can be flatly deposited on the surface of an electrode and can be completely dissolved in the discharging process, the cycling stability is good, and the components can be kept stable for a long time.

A positioning and clamping apparatus includes a hoisting unit including a support plate, two piston members, two first actuators, two hoisting plates, and an interconnection plate; a transporting unit including a second actuator, two movement rods, and a transporting plate; and a micro adjustment positioning unit including a limiting plate, two follower plates, two sliding members, a third actuator, and a positioning plate. The positioning and clamping apparatus is used for cell electrode plate groups, lead bridges, and lead heads of a lead-acid battery.

A positioning apparatus includes a support structure including a top plate and legs extending downward from four corners of the top plate; a hoisting unit including a first hoisting plate, piston members, a second hoisting plate, two pressing blocks, and a first actuator; and a clamping unit including two opposite second actuators and two pushing blocks. The positioning apparatus is used for cell electrode plate groups of a lead-acid battery.

The invention discloses a lead-acid battery production process, and relates to the technical field of lead-acid battery production, and the lead-acid battery production process comprises the following steps: S1, lead powder preparation: carrying out grain cutting and closed Balton ball milling on an electrolytic lead ingot to obtain lead powder with BET0.65-0.75 m / g and apparent density 1.10-1.20 g / cm < 3 >, and the nitrogen-sealed oxygen content of a lead powder bin is less than or equal to 5vol%; s2, grid casting: heating the lead-calcium-tin-aluminum alloy to 480 + / -10 DEG C in a lead smelting furnace, and casting the lead-calcium-tin-aluminum alloy into a grid with the thickness tolerance of + / -0.05 mm through a continuous casting machine; s3, performing paste mixing; the device has the advantages that through side insertion of the inverted dovetail groove, isolation of the hydrophilic PET thin sheet and blocking of the top air curtain, condensate is guided to the collecting tank along the thin sheet and is pumped out in real time, no PbSO4 white ring is left on the surface of the polar plate, and the powder falling rate of the follow-up slicing and vibration procedures is remarkably reduced.

The invention discloses a preparation method of an anti-aging lead-acid battery electrolyte, and relates to the technical field of electrolytes. According to the electrolyte, dilute sulphuric acid is adopted as a basic system, and a biological small molecule synergistic inhibitor (sodium glutamate and taurine), organic weak acid salt (triammonium citrate), water-soluble polymer (hydroxypropyl methyl cellulose), a conductive nano material (graphene oxide) and a green deep eutectic solvent (choline chloride-ethylene glycol) are compositely introduced; and a trace amount of aluminum salt and a metal organic catalyst are supplemented. By inhibiting sulfation, relieving grid corrosion, inhibiting gassing and balancing acid concentration, systematic improvement of the cycle life, the charge acceptance and the repair capacity of the lead-acid battery is realized.

[Problem] An object is to provide a lead sulfate coating removal device that has low power consumption and does not damage an electrode of a lead-acid battery.[Solution]A lead sulfate coating removal device implemented by an application specific integrated circuit (ASIC) that removes a lead sulfate coating generated on an electrode of a lead-acid battery includes: a generation unit that generates, on the basis of a signal extracted from the lead-acid battery, a removal signal of the lead sulfate coating having a peak value of 550 mA to 1000 mA, a pulse width of 5 nsec to 100 nsec, and a frequency of 5 kHz to 50 kHz; and a supply unit that supplies the removal signal generated by the generation unit to the electrode of the lead-acid battery.

The present invention provides a lead-acid battery repair fluid, and its preparation and use methods. The repair fluid comprises the following raw materials: MXene, ammonium acetate, ammonium bicarbonate, sodium ethylenediaminetetraacetate (EDTA), montmorillonite, polymaleic anhydride, sodium polystyrene sulfonate, chloroethyl polyvinylpyridinium salt, polyvinylpyrrolidone (PVP), sodium alginate, and deionized water. The repair fluid can effectively dissolve lead sulfate crystals and form a durable and stable protective film on the electrode plates, thereby regenerating the lead-acid battery while effectively preventing further lead sulfate crystals from adhering to the electrode plates, thereby increasing the battery's service life. Furthermore, the raw materials used in the present invention are safe and harmless to the human body, and the preparation method is simple, efficient, and environmentally friendly.

A coated battery separator, coated battery gelation composite substrate, or coated battery separator membrane is provided comprising a microporous substrate; and a coating on one or both sides of the microporous substrate. The coating comprises a polymeric binder and inorganic filler or siliceous material. In some examples, the separator is coated on one or both sides of the microporous substrate or membrane, wherein the coating comprises a polymeric binder, siliceous material, and carboxymethyl cellulose (CMC). In some examples, the microporous substrate may be a ribbed microporous substrate comprising polyethylene. Also provided are batteries including the coated battery separator, coated battery gelation composite substrate, or coated battery separator membrane. Such batteries may be improved flooded lead acid batteries, VRLA gel batteries, AGM batteries, storage batteries, or flow batteries.

The invention provides a continuous negative pressure synchronous rapid electrolyte injection process for a lead-acid storage battery, which comprises the following steps: S1, electrolyte injection pretreatment: firstly, connecting a four-ring coaxial electrolyte injection head with an electrolyte injection port of the lead-acid storage battery, starting a negative pressure vacuum pump to pump the negative pressure of the lead-acid storage battery to initial high negative pressure-85kPa, s2, synchronous electrolyte injection: after the working negative pressure of a negative pressure vacuum pump is adjusted, the electrolyte is immediately injected into the lead-acid storage battery in a continuous negative pressure state, and the pressure, flow and temperature parameters during electrolyte injection are monitored through a monitoring device; and then calculating an optimal pressure relief curve according to the battery model, and standing the lead-acid storage battery after pressure relief is finished, so that the production efficiency of the lead-acid storage battery is improved, gas in a polar plate and a partition plate can be completely discharged, the initial capacity of the battery is improved, and the performance fluctuation of the batteries among batches and in the batches is reduced.

The invention relates to a storage battery, a storage battery manufacturing method and a full-automatic busbar forming process thereof, and the storage battery manufacturing method comprises the following steps: S1, providing a pole plate group, a non-lead metal strip and a battery jar, forming a pole lug cluster by pole lugs on the pole plate group, and enabling a battery to reach a busbar forming station through a conveying belt; s2, positioning the battery and the non-lead metal strip on the conveying belt; s3, heating the non-lead metal strip by adopting a resistance type heating assembly or a high-frequency induction heating assembly, melting the brazing filler metal on the surface of the non-lead metal strip, mutually melting the part of the tab cluster and the brazing filler metal, and welding the tab cluster and the non-lead metal strip together after cooling; s4, the battery welded with the non-lead metal strip is transferred to a cutting station by the conveying belt; and S5, the non-lead metal strip is correspondingly cut by the cutting equipment, and the final busbar of the storage battery is formed after cutting. The process has high safety, the busbar is welded firmly, the automation degree is high, and the production efficiency is improved.

The full-automatic storage battery busbar feeding equipment comprises a busbar arrangement device and a grabbing and moving device which are installed on a rack, the busbar arrangement device comprises a shell, a discharging channel and a shifting wheel assembly of the discharging channel, a stock bin used for containing busbars is formed in the upper portion of the shell, the bottom of the stock bin is arranged in an inclined mode, and the grabbing and moving device is arranged on the shell. A supporting plate and a front baffle are arranged in the shell, and the front end of the supporting plate and the lower end of the front baffle are gradually close to form a discharging opening only allowing a single busbar to pass through. The shifting wheel assembly is arranged at a discharging port of the stock bin, stacked busbars sequentially pass through the discharging port and the discharging port in the bottom of the stock bin to be connected with the discharging channel through rotation of the shifting wheel assembly, and the grabbing and moving device is arranged at a discharging port of the discharging channel and transfers the busbars to the next station. According to the equipment, the full-automatic process of disordered stacking, ordered single-layer separation and directional conveying of the busbars is achieved, manual work is completely replaced, and efficiency is remarkably improved.

The invention relates to an energy storage unit (10) having an electrode separator / electrolyte unit (12), the electrode separator / electrolyte unit (12) being configured to receive and / or emit electrical energy, the electrode separator / electrolyte unit (12) having at least one first delimiting element (18), wherein the first delimiting element (18) at least partially forms an outer side (16) of the electrode separator / electrolyte cell (12), the energy storage cell (10) having a connecting unit (20), the connecting unit (20) being arranged on the first delimiting element (18), the connecting unit (20) being configured to follow a volume change of the electrode separator / electrolyte cell (12).

The invention belongs to the technical field of batteries, and particularly relates to a preparation method of a solid lead battery for constructing a sulfuric acid gel solid electrolyte through in-situ polymerization gel forming. Comprising the following steps: mixing a polymeric monomer, a cross-linking agent, a reinforcing component and a sulfuric acid carrier solution, stirring and dispersing to obtain an electrolyte precursor solution; adding the initiation system into an electrolyte precursor solution, uniformly stirring, quickly injecting into a polar plate / partition plate assembly or a to-be-formed battery cell, and standing; performing triggering treatment after infiltration, performing in-situ polymerization and crosslinking to form gel, and curing to obtain a gel solid electrolyte cell; and performing formation, capacity grading and aging treatment on the gel solid electrolyte cell to obtain the solid lead battery. Through a process path of low-viscosity precursor injection-in-situ gel forming in the battery cell-subsequent formation, full infiltration and stable immobilization of electrolyte on a pole plate pore channel and a separator fiber network are realized, so that the risks of liquid leakage and acid mist are reduced, acid layering is inhibited, and the consistency and cycle stability of the battery cell are improved.

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 present invention discloses a lead paste protective transition device for a lead-acid battery vacuum paste mixing machine. The device aims to solve the problem that when canvas or PVC cloth is installed at the intermediate transition position for intermediate protection, the lead paste is easily stuck to the canvas or PVC material due to its high viscosity, which is inconvenient to clean. The stuck lead paste will harden over time. During the production process, the hardened lead paste will scatter to the lower coating machine, seriously affecting the coating quality. This is a shortcoming of production quality. The invention includes a mounting steel structure, on which a vacuum paste mixing machine and a mobile paste hopper are mounted, and a transition device between the vacuum paste mixing machine and the mobile paste hopper. The transition device includes a mounting seat and a transition barrel rotatably mounted on the mounting seat, a barrel wall driving device is provided between the mounting seat and the transition barrel, and a barrel wall scraper connected to the mounting seat is provided in the transition barrel; the invention can achieve self-cleaning and sealing between the paste outlet and the mobile paste hopper.

The utility model relates to a composite energy storage lead storage battery, belongs to the technical field of energy storage batteries, and solves the problem of unbalanced output and input current distribution in battery convergence in the prior art. The lithium ion battery comprises a battery core and a battery shell, the battery core comprises a busbar and a polar plate; the busbar comprises a positive busbar and a negative busbar; each of the positive busbar and the negative busbar comprises a busbar grid; the confluence grid comprises a confluence area and a plurality of longitudinal grid ribs arranged in parallel; the lengths of the longitudinal grid ribs are gradually increased from the center of the confluence area to two sides; and a plurality of polar plates are arranged, each polar plate is provided with a plurality of conductive ribs, the conductive ribs are connected with the longitudinal grid ribs, and a plurality of collection nodes are formed at the joints. According to the utility model, output and input current distribution balance during convergence can be realized, and power transmission efficiency is high.

The invention relates to a battery and an energy storage device. The battery comprises at least two frames which are sequentially stacked and connected along a first direction; the two end plates are connected to the two opposite sides of the at least two frames in the first direction respectively, and a closed space is defined by the two end plates and all the frames; the at least two polar plates and the at least one partition plate are located in the closed space and alternately stacked in the first direction, and the at least two polar plates are fixed to the at least two frames in a one-to-one correspondence mode; the first elastic piece and the second elastic piece are configured to be elastically deformable in the first direction; wherein at least one frame is in elastic sealing connection with the adjacent frame and / or the adjacent end plate through a first elastic piece, and each end plate is in elastic connection with the adjacent polar plate through a second elastic piece. The problems that the internal resistance of the battery is rapidly increased and the battery capacity and the large-current discharge capacity are reduced due to the falling of the positive electrode active layer can be avoided.

Lead-acid batteries or cells, electrodes and bipolar plates for the same, and methods of manufacturing the same are provided. The lead-acid batteries comprise a positive and / or negative electrode having a specific pore size diameter distribution. The pore size diameter distribution may comprise: a ratio of a volume of pores having a pore size diameter greater than 20 μm to a total pore volume of at least 15%; or a volume of pores having a pore size diameter greater than 20 µm of at least 0.020 ml / g.

The invention discloses a tubular power type colloid lead-acid storage battery formation process, and relates to the technical field of lead-acid storage batteries. A one-time formation mode is adopted, the battery is connected into an electrolyte circulating flow system, sulfuric acid electrolyte containing phosphoric acid is poured, standing is carried out, a charging program is started, after multi-stage charging and discharging programs are carried out, discharging protection is carried out, the sulfuric acid electrolyte is discharged, colloid electrolyte is poured, charging is continued until battery gelling is carried out, and formation is finished. According to the invention, a complicated gel battery formation process flow is reduced into a one-time formation method, and the sulfuric acid electrolyte does not need to be subjected to high-low density switching in the production process or the sulfuric acid electrolyte is manually poured out one by one; a special charging and discharging process is adopted, so that the manufacturing energy consumption of the storage battery can be effectively reduced, the formation period and the charging multiple are close to those of a flooded tubular power battery, the production period of the gel battery is greatly shortened, efficient and stable conversion of active substances is realized, the initial performance and the service life of the gel battery are improved, and the manufacturing cost of the product is reduced.

The present invention discloses a lead-acid battery leakage prevention protection structure, comprising a battery main body, a pole fixedly connected to the top of the battery main body, a sealing ring fixedly connected to the connection between the pole and the battery main body, a sealing sleeve sleeved on the outside of the pole, a valve fixedly installed on the top of the sealing sleeve, a drain port provided on the other side of the sealing sleeve, and a collection box fixedly connected to one end of the drain pipe; the present invention protects the connection position between the pole and the battery main body by arranging the sealing sleeve to prevent acid from overflowing, and fills the sealing sleeve with air through the valve to increase the air pressure in the sealing sleeve, so as to further prevent acid leakage at the connection position between the pole and the battery main body by utilizing the air pressure.

The utility model belongs to the technical field of lead storage batteries, and particularly relates to a sealed lead storage battery which comprises a battery box body, a connecting cover, a battery cover, a cover plate and a terminal head, a movable sliding plate is connected to the battery cover in a sliding mode, the movable sliding plate is attached to the top end face of the battery cover, and the sliding cover corresponds to the terminal head. A circular plate is fixedly connected to the battery cover, a sealing groove is formed in the top of the circular ring seat, and a sealing ring matched with the sealing groove is fixedly connected to the bottom end of the terminal head; the position of the cover plate can be protected by moving the sliding plate and the pressing rod, the situation that temperature rise affects installation and sealing of the cover plate when the battery is used is prevented, then the sliding cover covers the terminal head, and an assembly capable of conducting sealing protection on the line connection position when the device conducts line connection is composed of the sealing ring, the circular ring base, the sealing groove and the inclined groove. And when water exists on the battery cover, the water is prevented from being in contact with the connection part of the terminal head and the circuit, and short circuit is avoided.

A lead-acid battery 1 comprises: a battery case 20; an electricity storage element 30 and an electrolyte 35 which are housed in the battery case 20; a lid member 50 for sealing the upper surface of the battery case 20; and a vent plug 70 attached to the lid member 50. A plug body 71 of the vent plug 70 includes: a head portion 73 having an exhaust hole 73B; and a cylindrical portion 75 which protrudes downward from the head portion 73 and has an opening 76 at a tip. When the lead-acid battery 1 is in the upright or inverted position, the opening 76 at the cylinder tip of the cylindrical portion 75 of the vent plug 70 is positioned above a liquid surface of the electrolyte 35, and the opening 76 at the cylinder tip is closed by a wall.

The utility model discloses a storage battery wrapping workbench, and relates to the technical field of storage battery production, in particular to a storage battery wrapping workbench which comprises a panel, the bottom end of the panel is fixedly connected with a plurality of supporting legs distributed in a rectangular array, an upper plate is movably installed on the upper surface of the panel, a plurality of suction holes are formed in the inner side of the upper plate, a cavity is formed in the inner side of the panel, and a plurality of suction holes are formed in the inner side of the cavity. A limiting frame is movably installed on the inner side of the cavity, a plurality of through holes are formed in the inner side of the limiting frame, and a plurality of cushion blocks distributed in a rectangular array are fixedly connected to the upper surface of the limiting frame. Lead powder on the workbench can be sucked through the suction hole by the exhaust fan and collected by the dust collection box, the lead powder can be prevented from being sucked into the body by a worker, the plurality of bumps can be driven to rotate through the rotating rod by the turntable, so that the dredging rod can be driven to move up and down by the connecting column, the suction hole can be dredged, and the working efficiency is improved. And the suction hole is prevented from being blocked after long-term use.

The invention belongs to the technical field of new material preparation, and discloses a preparation method of a solid electrolyte lead-acid storage battery. According to the method disclosed by the invention, the solid electrolyte is adopted to replace the traditional liquid electrolyte, so that the solid electrolyte has good thermal stability and chemical stability, is not easy to burn and leak, and can obviously improve the safety of the battery. Due to the stability and good interface compatibility of the solid electrolyte, the loss of the electrode material of the solid electrolyte lead storage battery in the charging and discharging process is small, and the solid electrolyte lead storage battery has longer cycle life. After multiple times of charging and discharging, high performance can still be maintained, and the frequency and cost of battery replacement are reduced.

To provide a separator for a lead-acid battery capable of having good bag-like workability and high battery safety, and a lead-acid battery including the same.SOLUTION: A separator for a liquid type lead-acid battery is provided having a porous base unit and a plurality of ribs provided on at least one surface of the porous base unit. The porous base unit has side end units arranged at both ends in a width direction and a center unit sandwiched between the side end units. Thickness of the side end unit is larger than that of the center unit. Relative element concentration of a nonmetallic element (S) is 0.01 atomic% or more and 0.5 atomic% or less when at least one surface of the base unit is measured by X-ray photoelectron spectroscopy.SELECTED DRAWING: None

The present application relates to the technical field of lead-acid battery preparation, and particularly relates to a green plate gel battery and a preparation process thereof, which comprises positive plate lead paste and negative plate lead paste, the positive plate lead paste comprises the following components: lead powder 100 parts, short fiber 0.08-0.12 parts, sulfuric acid 6.5-8.0 parts, and water 11-14 parts; the negative plate lead paste comprises the following components: lead powder 100 parts, sulfuric acid 5-6 parts, short fiber 0.05-0.1 parts, composite activated carbon 0.5-3 parts, sodium lignosulfonate 0.6-0.8 parts, barium sulfate 0.2-0.4 parts, humic acid 0.1-0.3 parts, and water 11-14 parts. The gel battery prepared by introducing the composite activated carbon into the negative plate lead paste and synergizing with the composite expansion agent system has a significant improvement in initial capacity and deep cycle life.

The invention discloses a high-power lead-acid storage battery system based on a central compact tab, which comprises a positive grid and a negative grid, the center of one end of the positive grid is provided with a positive tab, and the center of one end of the negative grid is provided with a negative tab; by arranging the central compact positive tab and the negative tab and combining the fan-shaped radiation collector strips and the transition region, the current path resistance can be effectively reduced, the uniform distribution of current is realized, and local overheating and voltage drop are reduced. The main current collecting strips in the superconducting grid structure adopt'net diffusion 'and a variable cross-section structure, the joints of the main current collecting strips are thick, the far ends of the main current collecting strips are thin, and current distribution is optimized; the transition region can avoid current concentration, the internal resistance is effectively reduced compared with a traditional battery, and high-rate discharge can be supported. Through integration of the cooling channels, the cooling channels are vertically distributed on two sides of the pole group, and heat conduction optimization of the conductive structure is combined, so that temperature rise under a large-current working condition is reduced, and the risk of thermal runaway is avoided.