43results about How to "Guaranteed discharge performance" patented technology

The invention provides a lithium ion battery diaphragm, a preparation method of the lithium ion battery diaphragm and a lithium ion battery. The lithium ion battery diaphragm comprises a support layer, wherein either or both of a dense layer or an inorganic coating are compounded on the support layer; the average quantity of the lithium ion battery diaphragm is 8-25g / m<2>, the thickness is 15-60 mu m, the average aperture is 50-500nm, and the porosity is 78-82%. The lithium ion battery diaphragm provided by the invention is good in isolating property and excellent in electrolyte absorbing property, is further relatively high in tension strength, is capable of realizing high power capacity of a battery, and can meet the requirement of rapid large-current charge and discharge of the lithium ion battery.

The invention belongs to the field of chemical batteries, and discloses a nonaqueous electrochemical battery and a preparation method thereof. The electrochemical battery comprises a positive electrode current collector, a negative electrode, an electrolyte and a diaphragm, wherein the positive electrode current collector comprises a positive electrode coating layer and a positive electrode coating layer wholely acting as the positive electrode; lugs are arranged on the current collector and the negative electrode; the negative electrode is metal lithium or lithium aluminum alloy; the ratio of the capacity per unit area of the positive electrode to that of the negative electrode is less than 1.0; and the ratio of the theoretical total capacity of the positive electrode to that of the negative electrode is greater than 1.0. In the preparation method, when the positive electrode diaphragm and the negative electrode are stacked by the diaphragm, the initial end of the positive electrode and the initial end of the negative electrode are stacked in a malposition way. By adopting the process, the processing short circuit rate is reduced, and the safety property of the battery is improved greatly on the premise of ensuring the high-current discharge capability.

The invention provides a discharge electrode of an underwater plasma sound source. The discharge electrode comprises an integral inner electrode, an insulating layer, an integral outer electrode and a fixing support. The insulating layer is fixed on the outer surface of the integral inner electrode, and the outer circumferential face of the insulating layer is of an outer thread structure. The integral outer electrode is composed of a cross support, an outer discharge contact and a thread connecting part, wherein the thread connecting part is of a hollow cylindrical structure, the thread connecting part and the insulating layer are coaxially and fixedly connected in a threaded seal mode, and the center axis of an inner discharge contact and the center axis of the outer discharge contact are coaxial. The thread connecting part and the fixing support are coaxially and fixedly connected in a threaded seal mode. The fixing support is fixed on an outer installation base. The discharge electrode can adjust distances and heights in the situations of high power, large currents and high repeat frequency, and namely a sound field center can be adjusted at will, and is suitable for energy-gathering reflective shells with different profiles and focal distances.

The inkjet recording head comprises: a nozzle which discharges ink; a liquid-repellent treatment part which repels the ink; and a sealing liquid affinity treatment part that has an affinity with sealing liquid used for sealing off the ink inside the nozzle from outside air, wherein the liquid-repellent treatment part and the sealing liquid affinity treatment part are provided on a discharge surface in which the discharge port of the nozzle is formed.

The invention discloses a low-temperature plasma deodorization device, which comprises a housing, an isolating grid plate, an insulating bracket, a fixed block, a transmitter box, discharge pole plates, an air filter net, an air feeder, a buckle, an air outlet, box legs, a shell cover, a distribution box, an operation panel and an air inlet. The low-temperature plasma deodorization device has the beneficial effects that the surfaces of the discharge pole plates are in a sharp sawtooth shape, so that a non-uniform electric field is generated between the two pole plates; and the required voltage is relatively small when the same discharge effect is generated. A polyethylene insulating material coats each discharge pole plate, so that the discharge pole plates are not exposed in moist air in a few of places with relatively high humidity, so as to ensure the discharge effect. The isolating grid plate is arranged between the discharge pole plates and the air outlet and is detachable, so that a few of electric arcs and the like generated during discharging are prevented from contacting the outside. Switches in the distribution box are contactors, so that control on high voltage through low voltage can be achieved; and the risk caused by direct contact on the high voltage is avoided.

The invention relates to a new type plastic shell lithium-ion battery and the preparation method, the invention belongs to the filed of lithium-ion battery technology. The plastic shell battery provided by the invention comprises a battery core and a shell, wherein a positive pole and a negative pole are set on the plastic shell, the invention has the advantages that the shell comprises a corrosion-resistant layer which is the inner layer, a protective layer which is the outer layer and a metal isolation layer which is set between the corrosion-resistant layer and protective layer. The invention uses unique battery structure, thus enhancing sealing effect of the plastic shell, and providing a small size plastic shell battery which is safe, reliable, cheap and easy to get for the filed of the lithium-ion battery, the invention can replace the existing metal shell battery.

Disclosed is an air purification device including a discharge part for discharging electricity in air. Low-profiling of the air purification device is accomplished while maintaining the discharge capability of the discharge part. In an ionization part (30) for electrically charging airborne dust particles, an insulating medium (60) is disposed between an ionization wire (31) serving as a discharge base end and an earth electrode (33). As a result of such arrangement, electrical discharge from the ionization wire (31) to the earth electrode (33) is obstructed while on the other hand corona discharge from the ionization wire (31) to a first electrode plate (32) is maintained, whereby the distance between the ionization wire (31) and the earth electrode (33) can be made narrow.

The invention discloses a high-temperature polymer electrolyte membrane fuel cell, comprising a front plate, a bipolar plate, a membrane electrode and a back end plate. Bipolar plates and membrane electrodes which can be used as repeating units to be superimposed and the front plate and the back plate compose a galvanic pile of a high temperature polymer electrolyte membrane fuel cell. The anode uses hydrogen as fuel and the cathode uses carbon dioxide as fuel; the membrane electrode comprises a high temperature polymer electrolyte membrane and gas diffusion electrodes on both sides of the high temperature polymer electrolyte membrane, the high-temperature polymer electrolyte membrane is an acid-doped high-temperature resistant membrane, the catalytic layer on the gas diffusion electrode is closely bonded to the two surfaces of the acid doped high temperature resistant film, a membrane electrode is obtained by mechanically assembling a gas diffusion electrode and an acid-doped high-temperature resistant membrane. The fuel cell effectively utilizes CO2, solves the problems of high cost and large energy consumption of electrochemical reduction of CO2 in the traditional method, and makes it possible to utilize CO2 as a resource with low energy consumption, and has both economic and social significances.

The invention provides a magnesium alloy and a preparing method and application thereof, and belongs to the technical field of magnesium air batteries. The composition of the magnesium alloy is Mg-xSn-yIn, wherein x is larger than or equal to 0.5wt.% and smaller than or equal to 5wt.%, y is larger than or equal to 0.5wt.% and smaller than or equal to 3wt.%, magnesium serves as the basis, indium and tin are added into pure magnesium, and the Mg-Sn-In ternary magnesium alloy can be obtained. Indium and tin can well regulate the microstructure and morphology of the magnesium alloy, the microstructure and morphology of the Mg-Sn-In ternary magnesium alloy can trigger a large amount of discharge active sites at the same time, extensive dendrite segregation formed by tin and indium can generatea potential difference, the discharge performance of the magnesium alloy is ensured, and compared with the pure magnesium, the Mg-Sn-In ternary magnesium alloy has the more excellent discharge performance, and the alloy is an ideal magnesium air battery anode material.

The quick charging method for the forklift can solve the technical problems that an existing charging technology is high in cost and inconvenient to use by a user. The charging voltage is set by connecting the lithium batteries, the interface position of each to-be-charged lithium battery and the existing electric quantity are detected respectively, power is supplied to the interface where the lithium battery not reaching the upper limit electric quantity is located, and the state information of the to-be-charged lithium batteries at all the interface positions is displayed. According to the method, the current electric quantity of the lithium battery can be monitored in real time for different lithium batteries or different types of lithium batteries, power supply and power supplement arecarried out as required, and regular charging maintenance of the forklift lithium battery or electric quantity supplement before installation is carried out. The universal charging pile is used for charging the lithium battery forklift, an electric vehicle platform and equipment are used, special equipment does not need to be purchased, the purchasing and using cost of customers is reduced. Meanwhile, international universal CAN communication is adopted, and the problems that existing forklift lithium battery chargers are different in CAN protocol and poor in interchangeability are solved.

The anode includes conduction base body, and anode material painted and / or filled on the conduction base body. The anode material includes active material of anode, conduction agent, and binding agent. The active material of anode is LiNixCoyMn1-x-yO2. Characters are that tap density of the active material of anode is 1.5-2.5 g / cm3, median size D50 is 8-16 micros, and specific surface area obtained through BET method of nitrogen adsorption under low temperature is larger than 0.1 and smaller than 1.2 m / g. The disclosed lithium ion battery possesses higher capacity and utilization ratio of space.

The invention provides a high-power impact-resistant discharge electrode which comprises an inner electrode, an insulating layer, an outer electrode and a fixed base. The inner electrode is an integrated T-shaped inner electrode composed of a T-shaped inner discharge contact and an inner electrode body. The outer electrode comprises an outer discharge contact, an arc-shaped cross support and an outer electrode body. The inner discharge contact is designed in the T-shaped structure, so that impact force is discomposed and distributed to the T-shaped end and side impact resistance strength of the inner discharge contact is increased greatly. The T-shaped structure of the inner discharge contact provides the discharge contact with greatly increased radiating area and mechanical strength, and the discharge electrode is protected from damage caused by untimely radiating, insufficient fatigue strength and the like during high repetition frequency discharging. The T-shaped inner discharge contact and the inner electrode body form the integrated structure for the inner electrode, so that current tolerance, mechanical strength and radiating speed are increased and the loss is low. The high-power impact-resistant discharge electrode is especially applicable to high repetition frequency discharging under high power and high current.

The invention discloses a hybrid power system and a control method thereof. The hybrid power system comprises an engine, a brushless doubly-fed motor and a frequency conversion device, wherein the engine is connected with a load, and the brushless doubly-fed motor is indirectly connected with the load by connecting the engine in series; the brushless doubly-fed motor is adopted to replace a permanent magnet motor, and a power winding and a control winding of the brushless doubly-fed motor can perform frequency conversion and speed regulation at the same time so that the speed regulation range is wider; the super capacitor and the storage battery are used for supplying power at the same time, and the discharging performance and the power storage capacity can be guaranteed; when the winding on one side goes wrong, the winding can be opened to control an asynchronous motor, so system safety is improved; due to existence of the super capacitor, the power winding is a high-voltage winding, and circuit loss can be reduced; the brushless doubly-fed motor is a dual-port motor, a control winding and a power winding can be controlled at the same time, control schemes are diversified, and power and cruising ability can be better optimized.

The invention relates to a plasma water treatment system, which includes a plasma generator, a plasma water treatment trough and a wastewater treatment trough. The plasma generator is corresponding to a cooling water trough I of the plasma water treatment trough. The cooling water trough I is provided with an ultrasonic range finder. The wastewater treatment trough is disposed below the plasma water treatment trough, over which a crossbeam frame is mounted. The crossbeam frame is provided with a water pump II corresponding to the cooling water trough I. The other end of the water pump II is connected to a cooling system controller, a thermometer, a motor, a water pump III, and a cooling water trough II in order. The wastewater treatment trough has one end connected to a water pump I and the other end communicated with a water storage trough. The bottoms of the wastewater treatment trough and the water storage trough are respectively provided with an electrocatalytic system, and the lateral parts of the wastewater treatment trough and the water storage trough are respectively equipped with a water level meter. Characterized by less energy consumption and high plasma utilization rate, the plasma water treatment system of the invention also has strong protection to water treatment equipment and high security.

The invention discloses an electronic detonator with an anti-interference structural design. The electronic detonator comprises a detonator shell, a detonator leg wire, a capacitor support and a PCB which are sequentially connected are arranged in the detonator shell, the capacitor support comprises metal belts which are arranged in parallel, discharge elements are arranged on the metal belts, and the distance between the discharge elements and the detonator shell is smaller than a first preset value. The electronic detonator with the anti-interference structural design provided by the invention can release static electricity, prevent electrostatic interference, improve the discharge effect and reduce the cost, and is easy to process.

The present invention relates to a minimum ignition energy test system and method for combustible gas explosion at ultra-low temperature. The test system includes a vacuum pumping system, a gas distribution system, a refrigeration system, an integral circuit ignition system and a data acquisition system. An explosion container is installed in the refrigeration system , the vacuum system communicates with the explosion vessel through the connecting pipeline of the gas distribution system, and the gas distribution system communicates with the interior of the explosion vessel through the connecting pipeline; the integral ignition system includes an ignition energy test bench, an ignition electrode located in the explosion vessel, a The probe and current transformer, the ignition energy test bench are connected to the ignition electrode, the high-voltage probe and the current transformer are respectively connected to the ignition energy test bench and the ignition electrode; the data acquisition system includes a data collector and is connected to the data collector and installed on Pressure sensor and temperature sensor inside the explosion vessel. The test system of the present invention has high safety performance and accurate test performance, and can accurately test the minimum ignition energy of combustible gas explosion at ultra-low temperature and high pressure, and the measured data is of great significance for guiding the safe production of the oxygen-containing coalbed methane liquefaction process.

The invention is concerned with the lithium ion battery positive electrode, includes the conductive base body, and the anode material smearing and / or filling on the conductive base body, the anode material includes the anode active material, the conductive liquid and the bond, the anode active material is LiNixCoyMn1-x-yO2, 0.1<=x<=0.5 and 0.1<= y<=0.5 in the formula, the characteristic is: the dressing density of the anode active material is 3.4-3.8 grams / cube centimeters. The invention is higher capability and higher space using rate.

The invention discloses a power supply unit for power supply for high voltage equipment, a power supply system and the high voltage equipment. The power supply unit for power supply for the high voltage equipment comprises at least one storage battery and a high voltage generator, wherein the at least one storage battery is directly connected with the high voltage generator; and the internal resistance of each storage battery is smaller than a preset value. According to the power supply unit, the power supply system and the high voltage equipment, the condition that the internal resistance ofeach storage battery is smaller than the preset value is ensured through reasonably setting the internal resistance of each storage battery, and a voltage drop of each storage battery in the using process can be reduced, so that each storage battery has high enough discharge capacity; and in addition, each storage battery is directly connected with the high voltage generator, that is to say, the high voltage generator is directly provided with a power supply through each storage battery. Improvement of the discharge capacity of each storage battery by using a capacitor can be avoided through directly connecting each storage battery and the high voltage generator under the precondition that the internal resistance of each storage battery is smaller than the preset value, and the utilizationrate of the power supply unit is improved, thereby prolonging the battery life of the high voltage equipment.

The invention discloses a capsule endoscope, which comprises a battery, a permanent magnet and a functional assembly for supplying power through the battery, wherein the permanent magnet is connectedin parallel with a connecting sheet which can conduct electricity and has an internal resistance smaller than that of the permanent magnet so as to be in short connection with the permanent magnet, one end of the connecting piece is connected with the battery and the other end of the connecting piece is connected with the functional assembly. A section of connecting piece with good conductivity isadded between the battery and the permanent magnet, the battery supplies power to a capsule circuit board through the connecting piece, the power supply performance loss caused by the conduction of the permanent magnet is avoided, the original discharge performance of the battery can be kept to the maximum extent, the influence of the permanent magnet on the battery can be reduced; meanwhile, thearrangement mode of the battery and the permanent magnet in the prior art does not need to be changed, and the battery and the permanent magnet are still connected in series, so that excessive occupied space is not increased, and the assembly space is saved while the discharge performance of the battery is kept.

The invention relates to an electrolyte for a zinc anode alkaline secondary battery. The electrolyte is characterized by comprising the following components: A, B, C, D, E and F, wherein A is KOH, B is one or two of NaOH or LiOH, C is boric acid, D is fumed silica, E is zinc oxide, and F is pure water; the total concentration of A and B is 8-15mol / L, the molar ratio of A to B is 10-22:1, the molarratio of A to C is 30-100:1, the molar ratio of C to D is 20-100:1, and the molar ratio of A to E is 6-7.5:1. The high-current discharge performance is well improved, the discharge performance at a low temperature can also be ensured, and zinc oxide is not easy to separate out, so that the electrolyte is more stable.

The invention discloses a capsule endoscope, which comprises a battery, a permanent magnet and functional components powered by the battery. The permanent magnet is connected in parallel with a connecting piece, which can conduct electricity and has an internal resistance smaller than that of the permanent magnet, so as to short-circuit the permanent magnet. The connecting piece One end connects to the battery and the other end connects to the functional unit. A connecting piece with good conductivity is added between the battery and the permanent magnet. The battery supplies power to the capsule circuit board through the connecting piece, avoiding the loss of power supply performance caused by the permanent magnet conduction, and maintaining the original discharge performance of the battery to the greatest extent. It can reduce the impact of the permanent magnet on the battery. At the same time, there is no need to change the arrangement of the battery and the permanent magnet in the prior art. The battery and the permanent magnet are still connected in series, which does not increase too much space that needs to be occupied, and realizes the maintenance of battery discharge. High performance while saving assembly space.

The invention relates to a device for replacing a fragile part conveniently. A tip is detachably connected with a threaded rod. Under the condition that the part makes contact with the ground and consequentially is abraded seriously when an airplane glides, only the portion, below the threaded rod, of the part needs to be replaced, replacement is convenient and fast, part waste is avoided, and the working efficiency is improved.

The invention relates to a quick charging device for a forklift. The device comprises: a lithium battery module used for providing electric energy for an electric forklift; a high-voltage charging pile used for charging the electric forklift; a voltage conversion device used for converting the connection mode of each lithium ion unit module in the lithium battery module into a series loop from a parallel mode for charging and converting the connection mode of each lithium ion unit module in the lithium battery module from a series loop to a parallel mode for power supply; and electric energy which sequentially passes through the high-voltage charging pile and the voltage conversion device from a power grid to charge the lithium battery module. The lithium battery module discharges through the voltage conversion device. The invention further discloses a charging method of the quick charging device for the forklift. According to the voltage conversion device, a charging pile platform which is popularized, popularized and applied can be utilized, according to different voltage grades of the forklift, the fast charging characteristic of the lithium battery is fully utilized, the lithium battery forklift can be rapidly charged, special equipment is not needed, and the purchase cost is reduced.

The invention is concerned with the lithium ion battery positive electrode, includes the conductive base body, and the anode material smearing and / or filling on the conductive base body, the anode material includes the anode active material, the conductive liquid and the bond, the anode active material is LiNixCoyMn1-x-yO2, 0.1<=x<=0.5 and 0.1<= y<=0.5 in the formula, the characteristic is: the dressing density of the anode active material is 3.4-3.8 grams / cube centimeters. The invention is higher capability and higher space using rate.

The invention relates to a discharging device, which comprises a conductive barrel, a current sensor, a container and a current equalizing part, a transformer is electrically connected with the ground through the conductive barrel, and the current of the transformer can be led into the ground through the conductive barrel and the conductive liquid by injecting the conductive liquid in the container into the conductive barrel, so that the discharging and voltage reduction operation is carried out on the transformer. Due to the fact that the flow equalizing part is arranged in the conductive barrel, when small-flow conductive liquid enters the conductive barrel, part of the conductive liquid is deposited above the flow equalizing part under the blocking effect of the flow equalizing part, and therefore the conductive liquid makes full contact with the conductive barrel. Furthermore, the conductive liquid flows downwards through a gap formed between the flow equalizing piece and the inner wall of the conductive barrel, and the conductive liquid flows downwards along the inner wall under the flow guide effect of the inner wall, so that the risk of flow cutoff when the flow of the conductive liquid is small is reduced, the conductive liquid can stably flow to the grounding terminal, the discharge effect of the conductive liquid is ensured, and the service life of the conductive barrel is prolonged. The use reliability of the discharging device is improved, and the safety of power transformation equipment such as a transformer is further improved.

The invention provides a battery pack matching method for an electric vehicle, which comprises the following steps: acquiring rated voltage, working voltage range and rated power of each load of the electric vehicle, and calculating the rated power of the total load according to the rated power of each load to determine the required power of the whole vehicle; acquiring a required battery type, a single voltage and a single capacity, and determining a voltage interval and a battery series number of the battery pack according to a rated voltage and a working voltage range; determining the high-efficiency output capability of the current of the single battery according to the battery type, the single voltage and the single capacity so as to determine the discharge interval of the single battery, and further calculating the parallel number of the batteries; obtaining battery pack capacity and battery pack rated voltage according to the battery series connection number and the battery parallel connection number; and calculating the capacity required by the load according to the required power of the whole vehicle, and matching the battery pack required by the vehicle when the capacity of the battery pack is greater than the capacity required by the load. The working efficiency and convenience of matching of the battery pack and the load of the electric vehicle can be improved.