37results about How to "Realize high current discharge" patented technology

The invention relates to a superenergy spark plug applied to a combustion engine firing system. It is mainly made up of shell, side electrode, and insulator. The lower part of the side electrode is a discharging end. A high voltage electrode and a superenergy electrode are arranged in the shell, the two electrodes and the shell are separated with insulators. The distribution method of the superenergy electrode and the high voltage electrode may adopt several methods. The discharging step is divided into discharging of high voltage electrode and the discharging of superenergy electrode. The superenergy discharging spark is generated between the superenergy electrode and the side electrode through the gas plasma generated by the high voltage discharging, the single time discharging energy can reach above 20 joules. The invention can enlarge the combustion limit of mixed gas in the engine cylinder, thus achieves the aim reducing the discharging of engine and upgrading the economy of the engine.

The invention discloses a new energy resource extended-range-type aerial track train and a sky train system using the train. The track train comprises a train body, wherein wheel assemblies for driving the train body to move along tracks are arranged on the train body and power sources of the wheel assemblies are electric energy; the track train also comprises battery packs for providing electric energy for the wheel assemblies, wherein the battery packs are electrically connected with the wheel assemblies; the track train also comprises a supplement generator which is used for charging the battery packs and is electrically connected with the battery packs; the supplement generator is one or several kinds of electricity generating devices such as a fuel oil generator, a photovoltaic power generation system, a wind energy generator, and a hydrogen fuel generator. The sky train system comprises the track train. The train provided by the invention can charge the battery packs as needed in the operation process, the electric energy provided by the supplement generator can effectively extend the travelling range of the train, and parking time of the train is shortened, and the condition that the train can complete delivery tasks of routes or defined to-and-fro number of times is guaranteed.

Disclosed is a method for efficiently producing a plurality of fiber electrodes simultaneously from a plurality of fibers, which takes advantage of the advantages that fiber electrodes conventionally have. The method for producing fiber electrodes has steps (2,2a) for opening a bundle of fibrous material, steps (3,4,5) for obtaining a fiber cathode or a fiber anode by means of forming a cathode active material coat layer or an anode active material coat layer on each monofilament obtained by means of opening, and steps (6,6a) for forming a separator coat layer on the abovementioned fiber cathode or fiber anode.

The invention discloses a lithium ion battery anode plate which comprises an anode current collector and anode active materials distributed on the anode current collector, wherein the anode active materials contain P-type doped nano carbon tubes and N-type doped nano carbon tubes. The P-type doped nano carbon tubes and N-type doped nano carbon tubes, which are added into the lithium ion battery anode plate, can improve the conductivity of the anode in the processes of charging and discharging, and enhance the safety of the lithium ion battery, thereby realizing heavy-current discharge of the lithium ion battery. In addition, the invention also discloses a preparation method of the lithium ion battery anode plate and a lithium ion battery using the lithium ion battery anode plate.

The invention provides a totally-digitalized high-efficient multi-frequency quick charging power supply, which comprises a high power factor high-efficient rectification module and a two-direction direct-current (DC) / DC conversion module, wherein the high power factor high-efficient rectification module comprises a filter circuit, an active power factor correction circuit, a network voltage detection circuit, an input current detection circuit, a power factor correction (PFC) digital control system, a power factor correction driving circuit and the like; and the two-direction DC / DC conversion module comprises a two-direction DC / DC converter, an output filter circuit, a two-direction DC / DC converter digital control system, a two-direction DC / DC converter driving circuit and the like. The active power factor correction circuit adopts a three-phase three-level three-switch topological form, and by adopting a digital control way, the power factor can be improved, and the current harmonic interference can be reduced; and the two-direction DC / DC converter adopts a four-phase structural bridge-type structure, every two phases are connected to an output through a coupling inductance, and moreover, since two identical phases are supplementary to each other, two different phases are shifted and a multi-frequency control way is adopted, the current ripple at the output side can be reduced, and the electromagnetic compatibility (EMC) characteristics and the efficiency of the overall machine can be improved.

The invention discloses a lead-acid battery large current equalization method based on single-chip microcomputer control. Provided is a lead-acid battery system, which comprises at least two lead-acid batteries in series connection, a first contactor and a second contactor, the number of which is same with that of the lead-acid batteries, a large current discharge resistor, a lead-acid battery voltage detection module, a single-chip microcomputer controller and a protection device. The single-chip microcomputer controller obtains voltage of each lead-acid battery through the lead-acid battery voltage detection module; and when the balance degree between the lead-acid batteries is larger than a set threshold value, the lead-acid battery, of which the voltage is the largest, is discharged through the large current discharge resistor according to the set time. The method adopts a single-chip microcomputer to serve as a main equalization controller, thereby reducing cost of the system; through a contactor matrix manner, large current discharge of the lead-acid battery is realized, thereby improving equalization reliability and realizing large current discharge; and the method is simple to operate, safe and reliable and good in equalization effect.

A ternary lithium battery heavy current balance control system disclosed by the present invention comprises at least two series-wound ternary lithium batteries, first and second contactors of which the numbers are equal to the number of the ternary lithium batteries, a heavy current discharge resistor, a ternary lithium battery voltage detection module, a single-chip microcomputer controller and a protection device. The single-chip microcomputer controller obtains the voltage of the ternary lithium batteries via the ternary lithium battery voltage detection module, and when the balance degree among the ternary lithium batteries is greater than a set threshold value, the ternary lithium battery having the maximum voltage discharges via the heavy current discharge resistor according to the set time. According to the present invention, a single-chip microcomputer is used as a main balance controller to reduce the cost of the system, and the heavy current discharge of the ternary lithium batteries is realized in a contactor matrix manner, thereby improving the balance reliability, and realizing the heavy current discharge. The system is simple to operate, is safe and reliable and is good in balance effect.

The present invention discloses a lithium iron battery heavy current equalization method based on single-chip microcomputer control. The method is characterized in that a set of lithium iron battery system is set and comprises at least two series-wound lithium iron batteries, first and second contactors of which the number is equal to that of the lithium iron batteries, a heavy current discharge resistor, a lithium iron battery voltage detection module, a single-chip microcomputer controller and a protection device; the single-chip microcomputer controller obtains the respective voltages of the lithium iron batteries via the lithium iron battery voltage detection module, when the equalization degree between the lithium iron batteries is greater than a set threshold value, the lithium iron battery having the maximum voltage discharges according to the set time and by the heavy current discharge resistor. The method realizes the purpose of the lithium iron battery concentrated heavy current discharge, enables the equalization speed to be accelerated, and is good in equalization effect, low in cost and simple in structure.

The invention discloses a nickel-metal hydride battery large current equalization method based on single-chip microcomputer control. Provided is a nickel-metal hydride battery system, which comprises at least two nickel-metal hydride batteries in series connection, a first contactor and a second contactor, the number of which is same with that of the nickel-metal hydride batteries, a large current discharge resistor, a nickel-metal hydride battery voltage detection module, a single-chip microcomputer controller and a protection device. The single-chip microcomputer controller obtains voltage of each nickel-metal hydride battery through the nickel-metal hydride battery voltage detection module; and when the balance degree between the nickel-metal hydride batteries is larger than a set threshold value, the nickel-metal hydride battery, of which the voltage is the largest, is discharged through the large current discharge resistor according to the set time. The method adopts a single-chip microcomputer to serve as a main equalization controller, thereby reducing cost of the system; through a contactor matrix manner, large current discharge of the nickel-metal hydride battery is realized, thereby improving equalization reliability and realizing large current discharge; and the method is simple to operate, safe and reliable and good in equalization effect.

The invention discloses a large current balancing control system of a lithium ferrous battery. The large current balancing control system of the lithium ferrous battery comprises at least two lithium ion batteries, first contactors, second contactors, a large current discharging resistor, a lithium ferrous battery voltage detection module, a singlechip microcomputer controller and a protection device, wherein the at least two lithium ferrous batteries are connected in series, the quantity of the first contactors and the second contactors are the same as the quantity of the lithium ferrous batteries, the singlechip microcomputer controller acquires the voltage of each lithium ferrous battery through the lithium ferrous battery voltage detection module, and when the balance degree among the lithium ferrous batteries is greater than a set threshold, the lithium ferrous battery with the maximum voltage is discharged by the large current discharging resistor according to a set time. In the large current balancing control system, a singlechip microcomputer is taken as a main balancing controller, and the system cost is reduced; with the adoption of a contactor matrix, large current discharging of the lithium ferrous battery is achieved, the balancing reliability can be improved, and the large current discharging is achieved; and the system is simple to operate, is safe and reliability and is high in balancing effect.

The invention relates to a lithium ion battery with a wide temperature range. The lithium ion battery with the wide temperature range comprises a positive plate, a negative plate, an electrolyte and adiaphragm. A positive electrode active substance in the positive plate is high-nickel layered lithium metal oxide, and a negative electrode active substance in the negative plate is flake-structure graphite; the electrolyte comprises a chain ester solvent, lithium salt and an additive, wherein the additive comprises vinylene carbonate, fluoroethylene carbonate and a styrene-6-caprolactone-trimethylene carbonate copolymer. Through selection of battery materials (a positive active material, a negative active material, an electrolyte formula and the like) in the wide-temperature-range lithium ion battery, the obtained wide-temperature-range lithium ion battery still has excellent rate capability and cycle performance when working in an extreme temperature environment (-40 to 85 DEG C); the lithium ion battery with the wide temperature range can realize high-current discharge at an extreme temperature.

The invention discloses a super capacitor large current equalization method based on single-chip microcomputer control. Provided is a super capacitor system. The super capacitor system comprises at least two super capacitors in series connection, a first contactor and a second contactor, the number of which is same with that of the super capacitors, a large current discharge resistor, a super capacitor voltage detection module, a single-chip microcomputer controller and a protection device. The single-chip microcomputer controller obtains voltage of each super capacitor through the super capacitor voltage detection module; and when the balance degree between super capacitors is larger than a set threshold value, the super capacitor, of which the voltage is the largest, is discharged through the large current discharge resistor according to the set time. The method adopts a single-chip microcomputer to serve as a main equalization controller, thereby reducing cost of the system; through a contactor matrix manner, large current discharge of the super capacitor is realized, thereby improving equalization reliability and realizing large current discharge; and the method is simple to operate, safe and reliable and good in equalization effect.

The invention discloses a large current balancing control system of a nickel metal hybrid battery. The large current balancing control system of the nickel metal hybrid battery comprises at least two nickel metal hybrid batteries, first contactors, second contactors, a large current discharging resistor, a nickel metal hybrid battery voltage detection module, a singlechip microcomputer controller and a protection device, wherein the at least two nickel metal hybrid batteries are connected in series, the quantity of the first contactors and the second contactors are the same as the quantity of the nickel metal hybrid batteries, the singlechip microcomputer controller acquires the voltage of each nickel metal hybrid battery through the nickel metal hybrid battery voltage detection module, and when the balance degree among the nickel metal hybrid batteries is greater than a set threshold, the nickel metal hybrid battery with the maximum voltage is discharged by the large current discharging resistor according to a set time. In the large current balancing control system, a singlechip microcomputer is taken as a main balancing controller, and the system cost is reduced; with the adoption of a contactor matrix, large current discharging of the nickel metal hybrid battery is achieved, the balancing reliability can be improved, and the large current discharging is achieved; and the system is simple to operate, is safe and reliability and is high in balancing effect.

The invention discloses a silicate gel electrolyte. The silicate gel electrolyte is prepared from the following components in percentages by weight: 30% to 40% of deionized water, 60% to 70% of a sulfuric acid solution with the density of 1.5 to 156 g / ml, 1.5% to 2% of nano-fumed silica, 0.5% to 1% of sodium silicate, 0.5% to 1% of ammonium sulfate, 0.5% to 1% of potassium sulphate and 0.15% to 0.2% of ammonia water. The silicate gel electrolyte disclosed by the invention is unlikely to aggregate to cause settlement layering.

The invention discloses an ARM control based high current equalization method for a lithium manganese oxide battery. A lithium manganese oxide battery control system is arranged and comprises at least two lithium manganese oxide cells connected in series, first contactors, second contactors, a high current discharge resistor, a lithium manganese oxide cell voltage detection module, an ARM controller and a protection device, wherein each of the number of the first contactors and the number of the second contactors is equal to the number of the lithium manganese oxide cells. The ARM controller obtains voltage of each lithium manganese oxide cell through the lithium manganese oxide cell voltage detection module, and when the balance degree of the lithium manganese oxide cells is higher than a set threshold value, the lithium manganese oxide cell with the highest voltage is discharged through the high current discharge resistor according to set time. The ARM is taken as the main equalization controller to increase the control speed. High current discharge of the lithium manganese oxide battery is realized in a contactor matrix manner, so that the equalization reliability is improved, and high current discharge is realized. The method is simple to operate, safe and reliable, and the equalization effect is good.

The embodiment of the invention discloses a storage battery, which comprises a battery shell, a battery cover plate and a battery body, wherein the battery body is born inside the battery shell; the battery shell is cylindrical or elliptically cylindrical; the battery body comprises a positive plate, a negative plate distributed together with the positive plate at a certain interval, a positive bus bar connected with the positive plate, and a negative bus bar connected with the negative plate; a membrane is lined between the positive plate and the negative plate; and the battery cover plate is provided with a positive terminal connected with the positive bus bar, a negative terminal connected with the negative bus bar, a liquid injection hole for injecting an electrolyte, and a pressure safety valve for sealing the storage battery. The technical scheme provided by the invention can be applied in the field of large-capacity batteries, and can be used for realizing large-current discharge.

The invention discloses a DSP control based large current balancing method of a lithium manganate battery. A lithium manganate battery control system is arranged and comprises at least two lithium manganate batteries, first contactors, second contactors, a large current discharge resistor, a lithium manganate battery voltage detection module, a DSP controller and a protection device, wherein the lithium manganate batteries are connected in series, the number of the lithium manganate batteries is equal to the numbers of the first contactors and the second contactors, the DSP controller acquires the voltage of each lithium manganate battery through the lithium manganate battery voltage detection module, and when the balance degree among the lithium manganate batteries is larger than a set threshold value, the lithium manganate battery with maximum voltage is discharged by the large current discharge resistor according to set time. A DSP is taken as a main balance controller, and the control speed is increased; with the adoption of a contactor matrix mode, large current discharge of the lithium manganate battery is achieved so as to improve the balance reliability and achieve large current discharge; and the method disclosed by the invention is simple to operate, is safe and reliable and is high in balancing effect.

The invention discloses a lithium-thionyl chloride battery. The lithium-thionyl chloride battery comprises a shell and a core body, the core body comprises a coating, a filler, a current collector and an anode plate, and a plurality of current collecting columns are uniformly distributed in the filler. The production method of the lithium-thionyl chloride battery comprises the following steps: preparing the filler, producing the battery core body, and assembling the battery. The uniformly distributed current collecting columns are arranged in the lithium battery core, so a precipitate generated during the discharge of the lithium battery is effectively dispersed to avoid the overheating phenomenon caused by product concentration, and the temperature tolerance of the lithium battery is improved to make the lithium battery applied to a high temperature environment; the porous carbon form characteristic of acetylene black is kept during the preparation of the filler in order to improve the conductive performances of a cathode carrier, and secondary compression molding is adopted to avoid the disadvantage of discharge product enrichment induced by too large carbon gaps; and the good uniformity of the filler can improve the electric conductivity in order to realizes heavy-current discharge or heavy-current pulse.

The invention discloses a DSP control based large current balancing method of a lead-acid battery. A lead-acid battery control system is arranged and comprises at least two lead-acid batteries, first contactors, second contactors, a large current discharge resistor, a lead-acid battery voltage detection module, a DSP controller and a protection device, wherein the lead-acid batteries are connected in series, the number of the lead-acid batteries is equal to the numbers of the first contactors and the second contactors, the DSP controller acquires the voltage of each lead-acid battery through the lead-acid battery voltage detection module, and when the balance degree among the lead-acid batteries is larger than a set threshold value, the lead-acid battery with maximum voltage is discharged by the large current discharge resistor according to set time. A DSP is taken as a main balance controller, and the system cost is reduced; with the adoption of a contactor matrix mode, large current discharge of the lead-acid battery is achieved so as to improve the balance reliability and achieve large current discharge; and the method disclosed by the invention is simple to operate, is safe and reliable and is high in balancing effect.

The invention belongs to the technical field of lithium ion capacitors, and particularly relates to a high-specific-characteristic lithium ion capacitor and a preparation method thereof. A positive electrode material is active carbon doped with lithium cobalt oxide, a graphene-based manganese dioxide composite material, a nickel cobalt lithium manganate material and graphene; the negative electrode material is lithium titanate doped with a graphene-based ferroferric oxide composite material and activated carbon; and the lithium ion capacitor is clean in appearance and free of liquid leakage, and has high energy density and high-power discharge capacity.

A metal lithium battery, the metal lithium battery includes a battery cell and a negative electrode tab, the battery cell includes a negative electrode sheet monomer, a positive electrode sheet monomer and a diaphragm sheet, and the negative electrode sheet monomer includes a lithium electrode sheet and the lithium electrode. A current collector that is electrically connected to the pole piece, the current collector includes a plurality of current collectors, and each current collector is electrically connected to the lithium pole piece. It can further make the cumulative area of ​​each current collector smaller than that of the traditional monolithic current collector, and the cumulative weight of each current collector is smaller than the weight of the traditional monolithic current collector, thereby further improving the negative electrode active material. utilization and increase battery capacity.

The invention relates to the field of a secondary battery and particularly provides electrolyte, a preparation method of the electrolyte, a lithium ion battery, a preparation method of the lithium ionbattery and electric equipment. The electrolyte comprises lithium salt and solvent, wherein the lithium salt comprises mixture of LiBF4 and LiFSI, and the solvent comprises mixture of sulfolane, gamma-butyrolactone, ethyl acetate and dimethyl carbonate. The electrolyte is advantaged in that the charging capacity of the lithium ion battery at -40 DEG C can reach 65% or above of the nominal capacity, the lithium ion battery can still continuously discharge at the rate of 1C at the ultralow temperature of-65 DEG C, the discharge capacity is 60% or above of the normal temperature capacity, and continuous high-rate pulse discharge can be carried out at -43 DEG C.

The invention provides a totally-digitalized high-efficient multi-frequency quick charging power supply, which comprises a high power factor high-efficient rectification module and a two-direction direct-current (DC) / DC conversion module, wherein the high power factor high-efficient rectification module comprises a filter circuit, an active power factor correction circuit, a network voltage detection circuit, an input current detection circuit, a power factor correction (PFC) digital control system, a power factor correction driving circuit and the like; and the two-direction DC / DC conversion module comprises a two-direction DC / DC converter, an output filter circuit, a two-direction DC / DC converter digital control system, a two-direction DC / DC converter driving circuit and the like. The active power factor correction circuit adopts a three-phase three-level three-switch topological form, and by adopting a digital control way, the power factor can be improved, and the current harmonic interference can be reduced; and the two-direction DC / DC converter adopts a four-phase structural bridge-type structure, every two phases are connected to an output through a coupling inductance, and moreover, since two identical phases are supplementary to each other, two different phases are shifted and a multi-frequency control way is adopted, the current ripple at the output side can be reduced, and the electromagnetic compatibility (EMC) characteristics and the efficiency of the overall machine can be improved.

The invention discloses a lithium ion battery anode plate which comprises an anode current collector and anode active materials distributed on the anode current collector, wherein the anode active materials contain P-type doped nano carbon tubes and N-type doped nano carbon tubes. The P-type doped nano carbon tubes and N-type doped nano carbon tubes, which are added into the lithium ion battery anode plate, can improve the conductivity of the anode in the processes of charging and discharging, and enhance the safety of the lithium ion battery, thereby realizing heavy-current discharge of the lithium ion battery. In addition, the invention also discloses a preparation method of the lithium ion battery anode plate and a lithium ion battery using the lithium ion battery anode plate.

The invention discloses a lithium manganite battery large-current balanced FPGA control system. The lithium manganite battery large-current balanced FPGA control system comprises at least two serially connected lithium manganite batteries, first contactors, second contactors, a large-current discharge resistor, a lithium manganite battery voltage detecting module, an FPGA controller and a protection cover, wherein the first contactors and the second contactors are equal to the lithium manganite batteries in number. The FPGA controller obtains the voltages of the lithium manganite batteries through the lithium manganite battery voltage detecting module. When the balance degrees of the lithium manganite batteries are greater than a set threshold value, the lithium manganite battery with the maximum voltage discharges through the large-current discharge resistor according to set time. The system adopts an FPGA as the main balance controller, and the control speed is improved. The lithium manganite battery large-current balanced FPGA control system adopts a contactor matrix mode, achieves large-current discharge of the lithium manganite batteries so as to improve the balance reliability and large-current discharge. The system is simple in structure, convenient to operate, safe, reliable and good in balancing effect.

The invention discloses a nickel-metal hydride battery large-current equalization method based on ARM control. The method is characterized in that a nickel-metal hydride battery control system is set, the nickel-metal hydride battery control system comprises at least two serially-connected nickel-metal hydride batteries, first contactors, second contactors, a large-current discharge resistor, a nickel-metal hydride battery voltage detecting module, an ARM controller and a protecting device, and each nickel-metal hydride battery corresponds to one first contactor and one second contactor; the ARM controller acquires the voltage of each nickel-metal hydride battery through the nickel-metal hydride battery detecting module, and the nickel-metal hydride battery with the largest voltage is discharged through the large-current discharge resistor according to set time when the equalization degree among the nickel-metal hydride batteries is larger than a set threshold. The nickel-metal hydride battery large-current equalization method has the advantages that the ARM controller is used as the main equalization controller, and control stability and quickness are increased; large-current discharge of the nickel-metal hydride batteries is achieved by a contactor matrix manner so as to increase equalization reliability; the method is simple to operate, safe and reliable, and good in equalization effect.

The invention discloses a heavy-current equalization DSP control system for lithium ferric batteries. The heavy-current equalization DSP control system comprises at least two lithium ferric batteries connected in series, first contactors, second contactors, a heavy-current discharge resistor, a lithium ferric battery voltage detection module, a DSP controller and a protection device, wherein the number of the lithium ferric batteries is equal to that of the first contactors and that of the second contactors; the DSP controller acquires the voltage of each lithium ferric battery through the lithium ferric battery voltage detection module, and when the balance degree between the lithium ferric batteries is larger than the set threshold value, the lithium ferric battery with the highest voltage is discharged through the heavy-current discharge resistor according to the set time. The DSP, as the main equalization controller, improves the control speed and stability; the contactor matrix mode is adopted to realize heavy-current discharge of the lithium ferric batteries, so that the equalization reliability is improved, and heavy-current discharge is realized; meanwhile, the heavy-current equalization DSP control system is simple to operate, safe and reliable and excellent in equalization effect.

The invention discloses an FPGA control-based high-current balancing method for lead-acid batteries. One set of lead-acid battery control system is arranged. The lead-acid battery control system comprises at least two lead-acid batteries connected in series, first contactors, second contactors, a high-current discharge resistor, a lead-acid battery voltage detection module, an FPGA controller and a protection device, wherein the first contactors and the second contactors are equal to the lead-acid batteries in quantity; the FPGA controller obtains voltage of the lead-acid batteries through the lead-acid battery voltage detection module; and the lead-acid battery with the highest voltage is discharged through the high-current discharge resistor according to set time when the balance degree between the lead-acid batteries is greater than a set threshold. An FPGA is adopted as a main balance controller, so that the cost of the system is reduced. By adopting a contactor matrix mode, high-current discharging of the lead-acid batteries is achieved to improve the balancing reliability and to achieve high-current discharging. The method disclosed by the invention is simple in operation, safe, reliable and good in balancing effect.

The invention discloses an iron lithium battery large-current equalizing method based on ARM control. A set of iron lithium battery control system is arranged. The iron lithium battery control system comprises the components of at least two serially connected iron lithium batteries, first contacts and second contactors of which the number is same with that of the iron lithium batteries, a large-current discharging resistor, an iron lithium battery voltage detecting module, an ARM controller and a protecting device. The ARM controller acquires the voltage of each iron lithium battery through the iron lithium battery voltage detecting module. On the condition that equilibrium between the iron lithium batteries is higher than a preset threshold, discharging is performed on the iron lithium battery with highest voltage according to preset time through the large-current discharging resistor. According to the iron lithium battery large-current equalizing method, the ARM controller is used as the main equalizing controller, thereby improving control speed and stability. According to the iron lithium battery large-current equalizing method, a contactor matrix manner is used for realizing large-current discharging on the iron lithium battery, thereby improving equalizing reliability and realizing large-current discharging. The iron lithium battery large-current equalizing method has advantages of simple operation, high safety, high reliability and high equalizing effect.