437results about "Lead-acid accumulators" patented technology

To provide a separator with which it is possible to improve high temperature overcharge life performance in a lead storage battery.SOLUTION: This separator for lead storage batteries includes a crystalline region and an amorphous region. In the X-ray diffraction spectrum of the separator, the crystallinity index indicated by 100×Ic / (Ic+Ia) is 20% or greater. Ic represents the integrated intensity of diffraction peaks, the peak heights of which among the diffraction peaks equivalent to the crystalline region are maximum. Ia represents the integrated intensity of hollows equivalent to the amorphous region.SELECTED DRAWING: Figure 1

The present invention relates to a polypropylene composition and a method for preparing the polypropylene composition. The polypropylene composition according to the present invention has improved stress whitening resistance. The present invention also relates to a battery case comprising the polypropylene composition.

The invention provides an intelligent response nano-film and application thereof in waste lead-acid storage battery electrolyte recycling, and relates to the technical field of waste lead-acid storage battery electrolyte recycling, the intelligent response nano-film breaks through performance limitation of an existing film system through a specific intelligent material structure, and when heavy metal ions such as Pb < 2 + >, Fe < 3 + > and Cu < 2 + > enter the film, the intelligent response nano-film can be recycled, and the service life of the intelligent response nano-film is prolonged. The metal ligands are combined with metal ions to cause local shrinkage or closing of pore channels, so that the active defense and intelligent blocking effects of blocking heavy metals are achieved; and when SO4 < 2-> and H < + > pass through the channel, membrane pore channels are kept in an open state, so that rapid acid flux (namely the amount of substance passing through the membrane layer in unit time) of sulfuric acid is realized. The intelligent response nano film has a programmable aperture of a polymer liquid crystal network and an intelligent response valve mechanism of metal, and selective separation of heavy metal and sulfuric acid is realized by stimulating reversible adjustment of an induced film structure.

The invention discloses a composite cathode and anode plate made of a lead-carbon composite material, the composite cathode and anode plate comprises a current collector, a transition layer and an active layer which are compounded in sequence, the transition layer tightly coats the outer surface of the current collector, the active layer tightly coats the outer surface of the transition layer, and the composite cathode and anode plate is prepared by the following method: S1, preparing the composite cathode and anode plate; raw material pretreatment: placing the carbon material in a vacuum oven; according to the invention, the structural design of the composite negative plate and the preparation process are integrated, so that accurate matching of the raw material ratio and the process parameters is realized, and many defects of the traditional electrode are effectively solved; the three-layer gradient structure improves the interface bonding force, and delamination is avoided; the optimized raw material system and the preparation process have a synergistic effect, so that the hydrogen evolution overpotential is remarkably improved, the internal resistance is reduced, the cycle life is prolonged, the low-temperature performance is improved, the energy density is improved, and a reliable technical scheme is provided for the application of the lead-acid storage battery in the high-end field.

A positive electrode lead paste for a high-capacity and long-service-life storage battery and a preparation method therefor. The formula of the positive electrode lead paste comprises lead powder, dilute sulfuric acid, water and additives. In parts by mass, the additives added to every 1000 parts of the lead powder comprise: 1-3 parts of sodium perborate; 0.5-2 parts of 4BS; 1-3 parts of antimony trioxide; 1-3 parts of tin pyrophosphate; 2-4 parts of a polyolefin; 2-4 parts of a conductive carbon material; and 1-1.5 parts of a polyester staple fiber. By adding tin pyrophosphate and the polyolefin in the positive electrode lead paste, the capacity of a lead storage battery can be effectively increased and the service life thereof can be prolonged; and tin pyrophosphate and the polyolefin can work synergistically, and the addition of the two together achieves a better effect.

The invention relates to a lead-acid battery negative electrode additive as well as a preparation method and application thereof, and belongs to the technical field of lead-acid storage batteries. The additive consists of sulfonated modified lignosulfonate (component A), a graphene oxide-carbon nanotube hybrid conductive agent (component B) and a mixture of modified humic acid and boric acid (component C) which are respectively used as a crystallization template agent, a conductive network construction agent and an interface film forming regulator. During preparation, a component A is prepared through a sulfomethylation reaction, a component B is prepared through ultrasonic mixing of graphene oxide and a carbon nanotube dispersion liquid, a component C is prepared after humic acid is subjected to acid pickling purification and oxidation treatment and then mixed with boric acid, and finally the three components are mixed to obtain a finished product. The additive is added into the negative electrode lead paste, can inhibit negative electrode sulfation, improve electrode conductivity, reduce hydrogen evolution side reaction and prolong the cycle life and charge-discharge efficiency of the battery, and is suitable for production of various lead-acid batteries.

The application discloses a lead-based composite material and a preparation method thereof, a lead-acid battery composite current collector and a lead-acid battery, wherein the lead-based composite material comprises: a substrate; a conductive MXene layer arranged on the surface or part of the surface of the substrate; a metal modification layer arranged on the surface of the conductive MXene layer, wherein the metal type of the metal modification layer is selected from one or more of copper, nickel, silver, gold, platinum, magnesium, zinc, tin, chromium, antimony and bismuth; and a lead-based layer arranged on the surface of the metal modification layer. By jointly using the metal modification layer and the conductive MXene layer, the problem of poor composite bonding force between different substrate surfaces and the lead-based layer can be solved.

A lead-acid storage battery gel electrolyte resistance testing device belongs to the technical field of lead-acid storage battery testing and comprises a support, a container is arranged on the support, and a pressing mechanism is arranged at the upper end of the container. According to the invention, a four-terminal alternating current method measurer is adopted to measure the electrolyte resistance, so that the precision of electrolyte resistance measurement is improved. Graphite is used as an electrode, so that the accuracy of electrolyte resistance measurement is improved, in addition, in order to increase the contact area between the electrolyte and the lower graphite disc and the contact area between the electrolyte and the upper graphite disc, hemispherical contacts are arranged on the contact surface between the lower graphite disc and the electrolyte, and the contact area between the lower graphite disc and the upper graphite disc is increased. A lower convex ring and a radiation strip are arranged on the contact surface of the upper graphite disc and the electrolyte, in addition, the end parts of the lower graphite disc and the upper graphite disc are designed through a conductive conical column and a connecting conical column which are made of copper alloy and through a conical surface structure, and meanwhile, electric force compound grease with copper, aluminum and other particles is filled between the conductive conical column and the connecting conical column; therefore, the electrical conductivity is improved.

The invention relates to the technical field of storage batteries, in particular to a balanced maintenance device and method for online monitoring of a lead-acid storage battery pack, and the method comprises the steps: a battery online monitoring module obtains the residual capacity of a battery according to the charging and discharging current of the lead-acid storage battery pack; the battery equalization control module measures the voltage of the single batteries of the lead-acid storage battery pack by using a divider resistance method; when it is monitored that the voltage difference between the highest voltage and the lowest voltage of the single batteries of the lead-acid storage battery pack exceeds a preset voltage difference threshold value or the difference value of the residual capacities of the different single batteries exceeds a preset electric quantity difference threshold value, a pulse width modulation signal is output; and the battery discharge control module regulates and controls the balanced discharge power of the power resistor according to the pulse width modulation signal and the temperature value of the power resistor radiator, and carries out balanced discharge control through the balanced discharge power. According to the invention, the balanced discharge power of the power resistor is cooperatively controlled by dynamically adjusting the duty ratio of the pulse width modulation signal and the temperature, so that balanced discharge of the battery pack is effectively ensured.

The invention relates to the technical field of lead-acid batteries and novel electrochemical energy storage materials, in particular to a graded porous carbon negative electrode material with nano-metal synergistic activity and application of the graded porous carbon negative electrode material in a long-life lead-carbon battery. The material takes hierarchical pore structure carbon as a matrix (which has micropores, mesopores and macropores at the same time, and the specific surface area reaches 1000m < 2 > / g), and is uniformly loaded with nano metal particles (such as Fe, Co, Sn and the like with the particle size of lt; and the content is 1%-10%). By optimizing the carbon pore structure and introducing the nano-metal, sulfation is remarkably inhibited, the capacitance effect is enhanced, and the hydrogen evolution reaction is reduced, so that the cycle life of the lead-acid battery is prolonged, and the charge-discharge performance of the lead-acid battery is improved. The preparation method is simple and controllable, is suitable for a lead-acid battery negative electrode additive, can be widely applied to the fields of start-stop batteries, energy storage systems and the like, and has important industrial application value.

The invention is a jump starting system for conducting a charging operation with various combinations of two automotive batteries in which one or both batteries is either a conventional battery, a battery with embossed electrical contact sockets, or a battery with internal electrical contact slots, where electrical connection between batteries is established by means of a battery jumper plug cable having four electrical jumper plugs electrically attached to respective ends of a positive insulated conductor and a negative insulated conductor.

The application belongs to the technical field of lead-carbon batteries, and specifically provides a method for preparing a positive plate of a lead-carbon battery by a dry method, the positive plate and the battery. The method comprises the following steps: uniformly mixing material containing lead powder and polytetrafluoroethylene to obtain dry powder; applying the dry powder to both sides of a metal grid, pressing the dry powder, and then immersing the pressed dry powder in an acid solution, and then taking out the pressed dry powder, flattening the pressed dry powder, and solidifying the flattened pressed dry powder. The positive plate prepared by the method can not only improve the stability and consistency of the battery, but also reduce the production energy consumption, provides an experimental basis for breaking through the bottleneck of uniformity of active material in the traditional paste coating process, promotes the industrial application development of the technology in energy storage, and opens up a new idea for the sustainable development of the lead-carbon battery manufacturing industry.

The utility model belongs to the field of storage batteries, and particularly relates to a half-height storage battery lead pole which comprises a lead pole body, a lead pipe assembly is arranged on the outer side of the lead pole body and comprises a lower lead pipe and an upper lead pipe, the upper lead pipe is mounted on the lower lead pipe through a detachable structure, and the lower lead pipe is mounted on the lower lead pipe through a detachable structure. A plurality of first threaded holes are formed in the inner wall of the lower lead pipe, locking screws are installed in the first threaded holes in a threaded mode, the locking screws are matched with the lead pole body, a rotary knob is fixedly installed at one end of each locking screw, a plurality of positioning grooves are formed in the bottom of the upper lead pipe, a plurality of trapezoidal positioning seats are fixedly installed at the top of the lower lead pipe, and the trapezoidal positioning seats are fixedly installed in the positioning grooves. And the trapezoidal positioning seats are matched with the corresponding positioning grooves, and a fixing groove is formed in one side of each trapezoidal positioning seat. The storage battery terminal post is reasonable in design, and the diameter of the storage battery terminal post can be increased through the matching of the lead terminal post and the lead pipe assembly, so that the storage battery terminal post can bear larger current output.

The utility model provides a novel partition plate of a high-magnification lead-acid storage battery, and belongs to the technical field of storage batteries. According to the structure, a first plate face and a second plate face are stacked in parallel, an interlayer is arranged between the first plate face and the second plate face, the edge of the interlayer is sealed through a covered edge, and a plurality of transverse sheets arranged at intervals along a transverse path and a plurality of longitudinal sheets arranged at intervals along a longitudinal path are arranged in the interlayer. The upper side and the lower side of the transverse sheet and the upper side and the lower side of the longitudinal sheet are connected with the first plate face and the second plate face respectively, and the outer side of the first plate face and the outer side of the second plate face are each provided with a plurality of transverse pits arranged at intervals along a transverse path and a plurality of longitudinal pits arranged at intervals along a longitudinal path. According to the utility model, a double-layer AGM partition plate structure is constructed, and the sheets which are arranged along the transverse path and the longitudinal path at intervals are additionally arranged in the interlayer, so that the structural strength of the partition plate is enhanced, and higher porosity is ensured. The high-rate lead-acid storage battery is suitable for high-rate lead-acid storage batteries and has longer service life.

The invention discloses a long-life power lead-acid storage battery based on electrolyte-polar plate synergistic modification, and relates to the technical field of lead-acid storage batteries. According to the invention, the carbon nanotubes, the potassium sodium tartrate and the sodium sulfate are added into the electrolyte of the lead-acid storage battery, the graphene and the lanthanum oxide are doped into the positive active material, and the surface of the negative electrode is coated with the polypyrrole layer, so that the synergistic modification of the electrolyte and a polar plate is realized; according to the design, the conductivity is remarkably improved, the polar plate vulcanization is inhibited, and the structural stability is enhanced, so that the cycle life and the capacity retention ratio of the battery are greatly improved.

A catalyst device for a lead acid battery, and a lead acid battery comprising the catalyst device are disclosed. A catalyst layer (120) is mounted in a cavity (112) of the device, and a porous layer (140) comprising a thermoplastic material is mounted in the cavity so as to cover a face of the catalyst layer and is configured to prevent thermal runaway of the catalyst device. And the plane size of the porous layer is larger than that of the catalyst layer. The catalyst layer is mounted in a cavity within a maintenance means (130) configured to maintain the position of the catalyst layer within the cavity, and wherein at least one face is covered by the porous layer, thereby ensuring alignment of the catalyst layer and the porous layer in use.

The invention discloses a roller drying device for lead-acid storage battery diaphragm production, and relates to the technical field of diaphragm production, the roller drying device comprises a drying module arranged at the output end of an extrusion molding module, and the drying module is used for drying a diaphragm body after molding and output; the drying module comprises a supporting frame, a drying cylinder is fixedly arranged on the supporting frame, and a material opening used for inputting and outputting the diaphragm body is formed in the direction, facing the output end of the extrusion molding module, of the drying cylinder; when a diaphragm body penetrates through the outer layer drying rollers and the inner layer drying rollers, the diaphragm body is in direct contact with the outer layer drying rollers and the inner layer drying rollers, so that the diaphragm body can be dried in the outer layer drying rollers and the inner layer drying rollers; the outer-layer drying roller and the inner-layer drying roller can conduct high-temperature drying treatment on the two faces of the diaphragm body, due to the fact that the drying cylinder has a certain heat preservation effect, high-temperature air in the drying cylinder can also achieve the effect of drying the diaphragm body, and the drying efficiency is improved.

A lead-acid battery includes an element and an electrolyte solution. The element includes a positive electrode plate containing a positive electrode material, a negative electrode plate containing a negative electrode material, and a separator interposed between the positive electrode plate and the negative electrode plate. The negative electrode material contains a first carbonaceous material having a particle size of less than 32 µm and a fatty acid having 8 or more and 30 or less carbon atoms. A content Cc of the first carbonaceous material in the negative electrode material is 0.4 mass% or more. When the content of the fatty acid on a mass basis in the negative electrode material is represented by Cf (ppm), the specific surface area of the negative electrode material is represented by Sn (m2 / g), and the DBP oil absorption of the first carbonaceous material is represented by Y, at least one of the condition (i) or the condition (ii) is satisfied. (i) The ratio Cf / Y is 0.1 ppm ·mL-1 ·100 g or more. (ii) The ratio Cf / Sn is 20 ppm ·m-2 ·g or more.

Battery equipped with a tracking and / or electrical parameter monitoring device. Battery (1) comprising a body (10) and a cover (40) carried by the body, the body housing one or more battery cells electrically connected to output terminals (20). The battery contains an electronic tracking device (50) disposed under the cover (40) and electrically powered by the battery, this tracking device being configured to transmit its geographic coordinates wirelessly to a remote receiver (200), at least when certain predefined conditions are met. Figure for the abbreviation: Fig. 1

SOLUTION: A lead acid battery includes at least one plate group and an electrolyte, in which the electrode plate group includes a positive electrode plate containing a positive electrode material, a negative electrode plate, and a bag-shaped separator interposed between the positive electrode plate and the negative electrode plate, and the separator accommodates the positive electrode plate, and a ratio (=A / B) of the pore volume A (mL) of the positive electrode material to the volume B (mL) in the separator excluding the positive electrode plate is 0.13 or more and 0.75 or less.SELECTED DRAWING: Figure 1

The invention relates to the technical field of a lead-acid storage battery electrolyte, and provides a lead-acid storage battery electrolyte composite additive, an electrolyte and a preparation method thereof. The electrolyte composite additive is prepared from the following components: hexadecyl trimethyl ammonium bromide, stannous mono-sulphate, organic sodium phosphonate and 1, 8-diazabicyclo [5.4. 0] undec-7-ene. The electrolyte composite additive provided by the invention solves the problems of fast battery capacity fading and short battery life of a lead-acid battery in a low-temperature environment, and improves the low-temperature resistance of the lead-acid battery.

The invention relates to a system comprising a stacking aid (2) and a plurality of cells (3) arranged within the stacking aid (2), the stacking aid (2) having a support element (7) and two side walls (8, 9) orthogonal thereto, which receive the support element (7) therebetween, the support element (7) receiving the plurality of cells (3), according to the invention, the cells (3) are arranged one above the other in a row (10) in the vertical direction, a positioning aid (18) is arranged between two rows of cells (3) arranged one above the other in the vertical direction (16), said positioning aid (18) being designed in two parts, including a first part (19) and a second part (20), which are detachably connected to one another. According to the invention, a connecting piece (21) is provided which, in the final assembled state, engages in a form-fitting manner in a first recess (22) provided by the first part (19) and in a second recess (23) provided by the second part (20).

The application relates to a preparation method and application of a conductive polymer loaded PbSO4 nanoparticle composite material and belongs to the technical field of electrochemical energy storage materials. 2‑ A lead nitrate solution is added drop by drop into the conductive polymer dispersion liquid to react for 2-8 hours, Pb 2+ In the solution is captured by SO4 2‑ On the conductive polymer molecular chain, PbSO4 nanoparticles are directly generated to realize synthesis of the conductive polymer loaded PbSO4 nanoparticle composite material. The method realizes in-situ loading of the PbSO4 nanoparticles on the conductive polymer, the PbSO4 nanoparticles are more uniformly distributed, and the combination between the two is stronger. The conductive polymer loaded PbSO4 nanoparticle composite material has the advantages of large specific surface area, good conductivity and the like. As a negative lead paste additive, the conductive polymer loaded PbSO4 nanoparticle composite material can significantly inhibit a hydrogen evolution side reaction in a charging process of a lead-carbon battery, can avoid failure caused by serious battery water loss, and can effectively improve the cycle life of the battery.

The invention relates to an operator control and display device (PMI) for a hazard warning control centre (BMZ), which operator control and display device is supplied with a supply voltage (VS) provided by a power supply unit (PSU) of the hazard warning control centre. The operator control and display device is designed to metrologically detect the supply voltage present there, to convert same into a digital supply voltage value, and to store same in a memory (MEM) of the operator control and display device. According to the invention, the latter is designed to computationally determine a digital battery temperature value from a converted digital supply voltage value on the basis of a supply voltage / battery temperature function VS := f(TBAT) and to store said value in the memory. The invention further relates to a hazard warning control centre having such an operator control and display device which comprises an emergency power battery (BAT) and a power supply unit. The invention additionally relates to a computer program (PRG), to a computer-readable data carrier (DT) having such a computer program, and to a suitable use.

The invention provides a composition for positive electrode lead paste, the positive electrode lead paste and a preparation method and application of the positive electrode lead paste, and particularly relates to the technical field of battery energy storage. The composition for the positive lead paste is prepared from the following components in parts by weight: 0.02 to 0.04 part of binder, 0.1 to 0.3 part of pore forming agent, 0.01 to 0.03 part of first conductive agent and 0.2 to 0.3 part of second conductive agent, wherein the first conductive agent is a linear conductive agent; and the second conductive agent is a sheet-shaped conductive agent. The composition for the positive electrode lead paste significantly improves the cycle life and the charge-discharge performance of the battery. According to the composition, through the synergistic effect of all the components, the energy density is improved, meanwhile, the long cycle stability is considered, and the technical problem that the utilization rate and the cycle life of active substances in a traditional lead-acid battery are difficult to consider at the same time is solved.

A battery system with a large lithium-ion battery powers auxiliary devices by discharging battery cells distributed among multiple battery packs. The discharge of the battery cells is effectively controlled while maintaining the expected lifespan of the lithium-ion battery cells. Each battery pack internally supports a battery management system and can have identical components, thus supporting easy scalability to higher power / energy architectures. Battery packs can be added or removed without interfering with the user, wherein one of the battery packs serves as the master battery pack and the remaining battery packs serve as slave battery packs. When the master battery pack is removed, one of the slave battery packs becomes the master battery pack. The master battery pack and the slave battery packs coordinate the charging and discharging of the battery cells via a communication channel such as a Controller Area Network (CAN) bus.

To provide an electric power storage module configured to prevent an electrolyte from spattering.SOLUTION: An electric power storage module comprises: a module body having an electrode stack including a plurality of stacked electrodes; and a pressure-regulating valve 22 attached to the module body. The pressure-regulating valve 22 is provided with: a housing 23 having a bottom wall 32 provided with a through hole 33 that communicates with an internal space that is formed between the plurality of electrodes and accommodates an electrolyte, a side wall 40 facing the bottom wall 32 in a Y-axis direction, and a protrusion 43 provided on the side wall 40; and a valve 30 accommodated inside the housing 23 so as to close off the through hole 33. The side wall 40 is provided with a first hole 41 that is open on an external surface 40a of the side wall 40, and a second hole 42 that is open on the external surface 40a of the side wall 40 and positioned vertically above the first hole 41. The protrusion 43 protrudes outward along the Y-axis direction on the external surface 40a and extends so as to divide the first hole 41 and the second hole 42 when viewed from the Y-axis direction.SELECTED DRAWING: Figure 12

A method of making metal battery grids for lead-acid battery manufacture, as well as a metal battery grid manufacture assembly for lead-acid batteries, are set forth. A cleaning operation is performed to a continuous strip of metal battery grids that is continuously produced. The cleaning operation involves emittance of one or more laser beams via one or more laser assemblies to one or more exterior surfaces of the continuous strip of metal battery grids. Residual lubricants, oils, corrosion, and / or other additives or unwanted contaminants residing at the exterior surface(s) can be partially or wholly removed via the emittance of the laser beam(s). Enhanced surface adherence of a subsequently-applied battery paste material at the exterior surface(s) can result.

The invention discloses a valve regulated lead acid battery replacement hand tool which comprises a lifting rod, a bearing assembly arranged on the lifting rod in a sleeving mode and a hooking assembly arranged on the bearing assembly and used for fixing a battery, and the bearing assembly can slide in the axial direction of the lifting rod. The bearing assembly comprises a sliding sleeve and an adjusting sleeve which are arranged outside the lifting rod. The battery carrying tool has the beneficial effects that the carrying tool and the battery carrying handle are fixed together through the hooking assembly, so that a plurality of workers can carry a battery by controlling the carrying rod, the problems that a machine cannot be used due to a narrow battery mounting space and the battery is inconvenient to carry by a single person due to large mass are solved, and meanwhile, the working efficiency is improved. The bearing assembly is slidably mounted on the lifting rod, so that the weight to be borne by the two ends of the lifting rod is changed according to a force arm changing mode in the lever principle, and the situation that the battery falls off due to the fact that a carrier with small strength bears too large weight is avoided.