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Quick welding storage battery busbar structure and manufacturing process
The invention provides a rapid welding storage battery busbar structure and a manufacturing process, and relates to the field of lead-acid storage batteries, the rapid welding storage battery busbar structure comprises a plate group, a non-lead metal strip, a non-lead metal positive terminal and a non-lead metal negative terminal, the non-lead metal strip and the non-lead metal positive terminal are made of metal or alloy with the conductivity higher than that of lead, and the non-lead metal strip is electrified to be rapidly heated and is welded with the cluster group tab and the non-lead metal positive and negative terminals at the same time, and after being firmly welded, the non-lead metal strip is cut to form a busbar and is sealed by glue. According to the lead-acid storage battery, metal with the conductivity higher than that of lead is adopted to replace lead and lead-based alloy to serve as the busbar of the lead-acid storage battery, the gravimetric specific energy of the lead-acid storage battery is improved, the material cost of the lead-acid storage battery is reduced, the mode of welding by heating the metal strip is adopted to replace the technology of manufacturing the busbar through hot melting of lead, the production efficiency is improved, and the energy consumption is reduced; meanwhile, clean production is achieved, and lead pollution in the traditional production process is avoided.
Owner:XIAMEN MATE HI TECH NEW ENERGY CO LTD
Methods for battery charging and formation
Systems and methods for charging and discharging a plurality of batteries are described herein. In some embodiments, a system includes a battery module, an energy storage system electrically coupled to the battery module, a power source, and a controller. The energy storage system is operable in a first operating state in which energy is transferred from the energy storage system to the battery module to charge the battery module, and a second operating state in which energy is transferred from the battery module to the energy storage system to discharge the battery module. The power source electrically coupled to the energy storage system and is configured to transfer energy from the power source to the energy storage system based on an amount of stored energy in the energy storage system. The controller is operably coupled to the battery module and is configured to monitor and control a charging state of the battery module.
Owner:24M TECHNOLOGIES INC
Liquid-type lead-acid battery
PendingJP2025039251ALead-acid accumulator electrodesLead-acid accumulators constructionElectrolytic agentElectrical battery
SOLUTION: To provide a liquid-type lead-acid battery including an electrode plate group, an electrolyte, and a cell chamber containing the electrode plates and the electrolyte, the electrode plate group including positive electrode plates, negative electrode plates, and separators interposed between the positive electrode plates and the negative electrode plates, a difference (s-t) between a total s of distances between the positive electrode plates and the negative electrode plates facing each other in the electrode plate group and a total t of thicknesses of the separators being 0.10 mm or less, the positive electrode plates including an element Sb, the negative electrode plate including a negative electrode material, the negative electrode material including graphite and an ester compound having a repeating structure of an oxyalkylene unit, and a content of the ester compound in the negative electrode material being 30 ppm or more based on mass.SELECTED DRAWING: Figure 1
Owner:GS YUASA CORP
Organic fiber AGM separator and application thereof
The invention discloses an organic fiber AGM separator and application thereof, and belongs to the field of storage batteries. The organic fiber AGM separator comprises high-alkali glass wool, medium-alkali glass fiber, bi-component polyester fiber and slurry containing a nitrogen-doped reduced graphene oxide / lead oxide composite material, the nitrogen-doped reduced graphene oxide / lead oxide composite material is prepared by the following steps: uniformly ultrasonically dispersing graphene oxide, deionized water and absolute ethyl alcohol, slowly dropwise adding aniline, and ultrasonically stirring to obtain a mixed solution; and adding lead acetate powder into the mixed solution, carrying out ultrasonic stirring, hydrothermal reaction, washing and freeze drying, and carrying out pyrolysis in a rare gas atmosphere to obtain the nitrogen-doped reduced graphene oxide / lead oxide composite material. After being prepared into slurry, the AGM separator substrate is coated with the slurry, and then acid leaching and curing are carried out; the material has excellent dendritic stabbing resistance, and the service life of the storage battery is prolonged.
Owner:JIESHOU HUAYU POWER SUPPLY
Secondary battery and preparation method thereof, energy storage system and electric equipment
PendingCN119864491AFinal product manufactureElectrolyte accumulators manufactureThermodynamicsElectrical battery
The invention relates to the technical field of secondary batteries, and provides a secondary battery and a preparation method thereof, an energy storage system and electric equipment, the secondary battery comprises a shell, an electrolyte and a battery cell assembly, the shell is provided with an accommodating space for accommodating the electrolyte and the battery cell assembly, the battery cell assembly is at least partially immersed in the electrolyte, and the shell is provided with a battery cell. The battery cell assembly comprises a positive pole piece, a negative pole piece and a diaphragm; the diaphragm is positioned between the positive pole piece and the negative pole piece; the liquid storage layer comprises a flexible porous framework, the flexible porous framework is provided with a plurality of pore channels, and the flexible porous framework comprises one of an organic metal framework, a covalent organic framework and a hydrogen bond organic framework; the pore channel has a first state and a second state, the pore channel deforms and changes from the first state to the second state under set conditions, in the process, the electrolyte flows out of the pore channel of the liquid storage layer, and the volume of the electrolyte contained in the pore channel in the second state is smaller than that of the electrolyte contained in the pore channel in the first state.
Owner:ZHEJIANG JINKO ENERGY STORAGE CO LTD
A front-terminal vertical wide-tab direct-connected bipolar lead-acid battery and its assembly method
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.
Owner:HUBEI XIONGTAO POWER SUPPLY TECH CO LTD
Front terminal vertical wide tab direct-connection bipolar lead-acid battery and assembly method thereof
The invention discloses a front terminal vertical wide tab direct-connection bipolar lead-acid battery and an assembly method thereof, and particularly provides a novel battery structure, a busbar between single partitions in a conventional battery is removed, and the connection between the single partitions is replaced by a bipolar pole plate connection mode; the polar plates and the partition plates are horizontally stacked into a battery jar layer by layer according to a specific arrangement sequence, tabs are widened, a row of holes are punched in the middles of the tabs of the bipolar polar plates, metal rods are inserted into the holes to enable the tabs of a polar group to be connected in parallel after lamination is completed, the polar group is locked by a pressing plate, and each monomer is sealed through glue injection. Then the two half parts are bonded into a whole through glue sealing or heat sealing, the battery is turned to be in a vertical state, then a busbar at the turning position is welded, a terminal is welded, a side cover is sealed, and battery assembling is completed; according to the structure, the large-current high-rate discharge performance of the battery can be greatly improved, the problems of high-rate discharge and assembly of the lead-acid battery are effectively solved, and a key support is provided for technical innovation, performance spanning and market expansion of the lead-acid battery.
Owner:HUBEI XIONGTAO POWER SUPPLY TECH CO LTD
Storage battery plate group plugging side plate compacting device
Owner:CAMEL GROUP HUAZHONG BRANCH CO LTD
Multifunctional battery cell comprehensive detection and processing integrated equipment
PendingCN120376714AAssembling battery machinesElectrical testingElectrical performanceMechanical engineering
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.
Owner:东莞市爱康智能技术股份有限公司
Lead-acid storage battery with uniform acid
InactiveCN120341388ACell component detailsLead-acid accumulators constructionElectrical batteryPhysical chemistry
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.
Owner:HANGZHOU HUAYU NEW ENERGY RES INST CO LTD
Electrolyte for lead storage battery, formation process and preparation method of lead storage battery
PendingCN119852555ASecondary cells charging/dischargingLead-acid accumulators constructionDischarge efficiencyElectrolytic agent
The invention discloses an electrolyte for a lead storage battery, a formation charge-discharge process and a preparation method of the lead storage battery, and relates to the technical field of storage batteries. A modified biological bacterium additive is added to a common electrolyte of a battery in production, the activity of the electrolyte is improved, the influence of electrolyte impurities is reduced, and charging voltage value limitation is carried out in a formation charging and discharging process stage to prevent internal electrolyzed water of the battery from being overcharged; therefore, the density consistency and stability of the battery electrolyte are improved, the utilization rate of sulfate ions is improved, the charge-discharge efficiency of the battery is improved, grid corrosion and battery self-discharge of a battery pole plate caused by a cyclic electrochemical action reaction are restrained, and the capacity retention ratio and the cycle life performance of the battery are improved. And a formation charge-discharge process is optimized, so that the battery capacity matching rate and the performance consistency are improved, and the cycle life performance of the battery is improved.
Owner:ZHEJIANG TIANNENG NEW ENERGY TECH MATERIAL CO LTD
Full negative pressure vacuum charging process and equipment for lead-acid batteries
ActiveCN115020837BFinal product manufactureSecondary cells charging/dischargingThermodynamicsBattery charge
The present invention provides a full negative pressure vacuum charging process and equipment for lead-acid batteries. During the process, a negative pressure of 0.03 - 0.1 Mpa is maintained throughout the charging process. Five charge-discharge stages are adopted. After the first four charge-discharge stages, discharging is carried out. There are a total of 17 steps of charging, lasting approximately 36 hours. Compared with the previous charging time, it is reduced, the charging efficiency is improved, and the power consumption and energy consumption are reduced; the charging acceptance efficiency of the active substances in the battery is effectively improved, thereby increasing the discharge time and discharge capacity of the battery under normal temperature and low temperature conditions, and enhancing the energy density of the battery; the temperature during the charging process of the battery is effectively reduced; in the process equipment, a negative pressure plate is connected to the acid pot on the acid injection port of the battery. The height of the acid pot is such that only the gas in the acid pot is extracted under a negative pressure of 0.03 - 0.1 Mpa, so that the acid liquid will not be extracted. The negative pressure plate extracts negative pressure through a negative pressure pipe, which well matches the full negative pressure vacuum charging process and ensures the charging effect of the aforementioned charging process.
Owner:TIANNENG BATTERY WUHU
Storage battery cast-weld height level calibration device
ActiveCN222608508UEnsure consistencyWelding/cutting auxillary devicesSecondary cells manufactureElectrical batteryClassical mechanics
Owner:TIANNENG BATTERY GROUP
Semi-automatic battery plate stacking equipment
ActiveCN119821934AControl devices for conveyorsLead-acid accumulator electrodesRobot handElectrical battery
The invention relates to the technical field of battery manufacturing, in particular to semi-automatic battery plate stacking equipment. Comprising a polar plate stack conveying system used for conveying polar plate stacks, a polar plate stack loading and conveying system used for conveying grating plates loaded with the polar plate stacks, a three-axis mechanical arm used for placing the polar plate stacks on the grating plates, and a transition conveying and lifting system used for conveying and lifting the grating plates fully loaded with the polar plate stacks. The system comprises a curing frame loading system and a stacking, conveying and lifting system, a curing frame is loaded on the curing frame loading system, a plurality of space layers which are arranged at intervals in the vertical direction and are communicated with one another are arranged on the curing frame, and the space layers are used for stacking grating plates; and the stacking conveying lifting system is used for conveying the grating plates conveyed by the transition conveying lifting system and placing the grating plates in the space layers. According to the device, the pole plate stacks can be automatically placed on the grating plates, the multiple grating plates bearing the pole plate stacks can be automatically and sequentially stacked in the multiple space layers on the curing frame, and the efficiency of placing the pole plate stacks on the curing frame is improved.
Owner:WUXI PINGSHE INTELLIGENT TECH CO LTD
Water-soluble plumbic acid static storage battery
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.
Owner:HOHAI UNIV
Positioning and clamping apparatus for cell electrode plate groups, lead bridges, and lead heads of lead-acid battery
PendingUS20260054964A1Assembling battery machinesFinal product manufactureElectrical batteryClassical mechanics
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.
Owner:BATTERY TECHNOLOGY SOURCE CO LTD
Vacuum formation process and device for lead-acid storage battery
InactiveCN120149580AFinal product manufactureSecondary cells charging/dischargingElectrolytic agentElectrical battery
The invention belongs to the technical field of lead-acid storage battery manufacturing, and particularly discloses a lead-acid storage battery vacuum formation process and a device thereof.The assembled battery is placed in the vacuum formation device to be pretreated, electrolyte with the preset temperature is injected into the battery under the vacuum condition, and then on the premise that the vacuum state is kept, the lead-acid storage battery is formed. The method comprises the following steps: carrying out segmented constant-current charging on a battery, carrying out degassing treatment on the battery by utilizing a vacuum system of a vacuum formation device after formation is completed, checking and adjusting the liquid level of electrolyte in the battery after degassing treatment, carrying out sealing treatment on the battery after liquid level adjustment is completed, and injecting the electrolyte under a vacuum condition, so that the interference of air and bubbles is reduced; the electrolyte can more quickly and uniformly permeate into the polar plate, so that the formation reaction can be more efficiently carried out, and the segmented constant-current formation mode is also beneficial to more reasonable control of the reaction process, improvement of the conversion efficiency of the active substance and shortening of the formation time.
Owner:TIANNENG BATTERY GRP (JIANGXI) CO LTD
Positioning apparatus for cell electrode plate groups of lead-acid battery
PendingUS20260058184A1Assembling battery machinesFinal product manufactureElectrical batteryBattery cell
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.
Owner:BATTERY TECHNOLOGY SOURCE CO LTD
Carbon-containing and / or carbon-coated lead-acid battery separator and method for retarding dendritic crystal formation thereof
PendingCN119833893ACell component detailsVehicular energy storageElectrical batteryPhysical chemistry
A lead acid battery separator includes a porous membrane wherein within the porous membrane, a conductive element and / or a conductive or semiconductive nucleation additive is contained. According to the present invention, inside the battery separator, numerous nucleation sites are provided to provide starting points for crystal formation at numerous locations, thereby dispersing the total amount of lead sulfate into a large number of smaller crystals, rather than a small number of larger crystals; thus, these smaller crystals are more readily returned to the electrolyte during the charge cycle of the lead acid battery, thereby hindering the slowed growth of dendrites within the separator of the lead acid battery, increasing the charge acceptance of the battery, and / or improving the cycle performance of the battery.
Owner:DARAMIC LLC
Lead-acid battery production process
PendingCN121507137AFinal product manufactureLead-acid accumulator electrodesElectrolysisElectrical 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.
Owner:HENAN JINGNENG ENERGY CO LTD
Corrosion-resistant lead-acid battery pole plate as well as preparation method and application thereof
The invention discloses a corrosion-resistant lead-acid battery pole plate and a preparation method and application thereof, and belongs to the technical field of lead-acid batteries, the surface of a lead-acid battery grid is coated with a conductive coating, and the conductive coating is formed by poly (3, 3, 4-trimethyl-1, 3-pentanediol). And mixing a 1, 4-ethylenedioxythiophene-polystyrolsulfon acid solution with a graphene oxide coated 2-mercapto-5-benzimidazole sodium sulfonate dihydrate coated Ag NCs composite solution to obtain the graphene oxide coated 2-mercapto-5-benzimidazole sodium sulfonate composite material. The preparation method comprises the following steps: mixing a 1 g / L poly (3, 4-ethylenedioxythiophene)-polystyrene sulfonic acid solution and a graphene oxide coated 2-mercapto-5-benzimidazole sodium sulfonate dihydrate coated Ag NCs composite solution, stirring for 2-3 hours, immersing a lead-acid battery grid for 2-3 minutes, taking out and drying to obtain the corrosion-resistant lead-acid battery plate. The prepared corrosion-resistant lead-acid battery plate has excellent corrosion resistance and cycling stability, the preparation method is simple, the controllability is high, and large-scale production is facilitated.
Owner:JIESHOU HUAYU POWER SUPPLY
Preparation method of anti-aging lead-acid battery electrolyte
PendingCN120376773AElectrolyte/reactants regenerationLead-acid accumulators constructionPtru catalystDeep eutectic solvent
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.
Owner:SUZHOU LIANZHEN MASCH TECH CO LTD +1
Lead sulfate coating removal device, lead sulfate coating removal system, and lead sulfate coating removal method
PendingUS20250343282A1Batteries circuit arrangementsElectrolyte/reactants regenerationElectrical batteryLead sulfate
[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.
Owner:POWER SUPPORT
Lead-acid battery repair liquid and preparation method and use method thereof
ActiveCN115642320BSecondary cells servicing/maintenanceLead-acid accumulators constructionPolystyrenePyrrolidinones
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.
Owner:GUANGDONG RUNYUAN ENERGY TECH CO LTD
Battery separators, battery gelation composite substrates, battery separator coated membranes, related methods, and cells, batteries or systems incorporating the same
PCT designated stage expiredWO2025155866A1Cell seperators/membranes/diaphragms/spacersLead-acid accumulators constructionElectrical batteryComposite substrate
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.
Owner:DARAMIC LLC
Composite lead-acid storage battery structure and manufacturing process
PendingCN119864516AFinal product manufactureActive material electrodesElectrical batteryElectrical connection
The invention relates to a composite lead-acid storage battery and a preparation process, the composite lead-acid storage battery comprises a bottom groove, and is characterized in that at least one pole piece group is arranged in the bottom groove, the pole piece group comprises a plurality of pole plates, a middle cover matched with the bottom groove is arranged at the top of the pole piece group, and the middle cover is arranged in the bottom groove. The middle cover is provided with a terminal used for being electrically connected with the pole piece group, and the top of the middle cover is provided with a cover piece matched with the middle cover; the two sides, parallel to the direction of the polar plates, in the bottom groove are provided with containing grooves, and sheet-shaped magnetic materials are inserted into the containing grooves. On the basis of the structure of a traditional lead-acid storage battery, containing grooves are additionally formed in the two sides of a battery pole group, sheet-shaped magnetic materials with the same magnetic field direction are placed in the containing grooves, and finally the magnetic material composite lead-acid storage battery is manufactured through sealing and covering. According to the scheme, the structural strength of the lead-acid storage battery can be improved, the bulge deformation failure rate is reduced, the battery assembly pressure is increased, and the consistency and stability of the battery are improved.
Owner:XIAMEN MATE HI TECH NEW ENERGY CO LTD
Pole group assembly and lead-acid battery
PendingCN119994011AElectrode carriers/collectorsLead-acid accumulator electrodesElectrical batteryBusbar
The invention provides a pole group assembly and a lead-acid battery, and relates to the technical field of lead-acid batteries. The plate group assembly comprises a grid, a first busbar, a second busbar and a shell structure, tabs are fixed at the tops and the bottoms of the grids, the tabs at the tops of the grids are electrically connected through a first busbar, and the tabs at the bottoms of the grids are electrically connected through a second busbar; the plurality of grids are all mounted in the shell structure, mounting holes are formed in the side wall of the shell structure, the mounting holes extend to the bottom from the top of the shell structure, conductive parts are arranged in the mounting holes, and the first busbar and the second busbar are electrically connected through the conductive parts. According to the plate group assembly, the tabs are arranged at the top and the bottom of the grid, and the first busbar and the second busbar are electrically connected through the conductive piece, so that the potential difference between the top and the bottom of the grid can be reduced, the utilization rate of active substances in the middle and the bottom of the grid is improved, and the current density distribution on the grid is more uniform; and the cycle life of the battery is prolonged.
Owner:TIANJIN AIMA ELECTROMECHANICAL TECHNOLOGY CO LTD
Pretreatment method of unformed plate for container formation
The invention provides a pretreatment method of an unformed plate for container formation, which comprises the following steps: treating a cured dry unformed plate into a wet unformed plate, and wrapping the wet unformed plate. The invention further provides a manufacturing method of the lead-acid storage battery. According to the pretreatment method of the unformed plate for internal formation, the corrosion layer of the plate can form a skeleton structure during formation of the lead-acid storage battery, so that the service life of the battery is ensured.
Owner:CHALLENGO (BEIKING) TECH CO LTD
Safety valve for double-sealed lead-acid storage battery
PendingCN120033407AVent arrangementsLead-acid accumulators constructionRubber ringElectrical battery
The invention discloses a dual-seal safety valve for a lead-acid storage battery, and relates to the technical field of lead-acid storage batteries, the dual-seal safety valve comprises a battery cover, the top of the battery cover is sequentially provided with a first lower step surface, a second lower step surface and an internal thread surface from top to bottom; a first upper step surface, a second upper step surface and an external thread surface are sequentially arranged at the bottom of the valve body from top to bottom, the first upper step surface and the first lower step surface are arranged in a matched mode, the second upper step surface and the second lower step surface are arranged in a matched mode, a cavity is formed in the valve body, and an opening is formed in the top of the cavity; a valve cover; an acid filtering sheet; the outer sealing rubber ring is arranged between the first upper step surface and the first lower step surface in a sealing manner; and the inner sealing rubber ring is arranged between the second upper step surface and the second lower step surface in a sealing manner. The device can solve the problem of poor sealing effect caused by single sealing of the safety valve of the high-magnification lead-acid storage battery in the prior art, and ensures the reliability and safety of the lead-acid storage battery.
Owner:SHANDONG SACRED SUN POWER SOURCES
Lead-acid storage battery liquid injection valve
InactiveCN120089912AOperating means/releasing devices for valvesCell component detailsElectrolytic agentElectrical battery
The invention discloses a lead-acid storage battery liquid injection valve which comprises a valve body and a liquid inlet pipe installed in the valve body, a valve element is arranged in the liquid inlet pipe, a conical inner hole is formed in the lower end in a water inlet channel, and the valve element is located in the conical inner hole and is in sealing fit with the conical inner hole when moving downwards; the liquid inlet pipe is provided with a liquid discharge branch pipe, the liquid discharge branch pipe is provided with a liquid discharge hole, the liquid discharge hole is provided with a plugging device, and when an electrolyte conveying pipe joint connected to the liquid inlet pipe is pulled out, the plugging device moves to open the liquid discharge hole so as to discharge the residual electrolyte in the water inlet channel into the battery. The first plugging plate is matched with the liquid discharge branch pipe, so that when the conveying pipe joint is removed, the liquid discharge hole is automatically opened to discharge the electrolyte remained in the liquid inlet pipe into the battery, further, more electrolyte is prevented from being remained in the liquid inlet pipe, and the first plugging plate is automatically reset to plug the liquid discharge hole again, so that the safety of the battery is improved. And electrolyte in the battery is prevented from being poured out from the liquid discharge hole.
Owner:YANGZHOU HARDEN PLASTIC TECH CO LTD