11 results about "High voltage cathode" patented technology

The application discloses a high-energy extremely-short-pulse-width incandescent light source system based on argon, and relates to the field of air flow tests.The high-energy extremely-short-pulse-width incandescent light source system comprises a high-voltage electrode for performing arc flash when high voltage is applied, the high-voltage electrode comprises a high-voltage anode and a high-voltage cathode capable of performing arc flash when high voltage is applied, and the high-voltage anode and the high-voltage cathode have a predetermined distance; an argon supply device for supplying argon between the high-voltage anode and the high-voltage cathode; a light device and a condenser lens group oppositely arranged on both sides of the high-voltage electrode; a power supply for supplying power to a high-voltage energy storage device, wherein the high-voltage energy storage device is electrically connected with the high-voltage electrode; a control module for performing time sequence control on the high-voltage anode and the high-voltage cathode; and an input and output module connected with the control module and the power supply.The application uses argon instead of conventional air as an ionization medium in the high-voltage electrode, so that the extremely-short-pulse-width can be realized when arc flash occurs, and the electrode can be prevented from being oxidized and damaged.

This invention belongs to the field of nanomaterials, materials science and energy storage devices, and more specifically, it relates to the development of cathode materials for lithium-ion batteries. The objective of the invention is to improve the efficiency of lithium-ion batteries by ensuring uniform distribution of lithium cobalt phosphate nanoparticles in carbon nanofibers obtained from a single solution using electrospinning and thermal treatment methods, making them suitable for use as cathode materials. The technical result of the invention: it is possible to ensure uniform distribution of lithium cobalt phosphate nanoparticles in carbon nanofibers obtained by electrospinning and thermal treatment, control the morphology and particle size of the cathode material, distribution uniformity, and increase the formation efficiency of the lithium cobalt phosphate cathode by increasing its electrochemical performance. The technical result is achieved by coating lithium cobalt phosphate with carbon by electrospinning and heat treatment, which simplifies and makes the synthesis process more efficient. By simultaneously forming lithium cobalt phosphate with polymer carbonization, the carbon layer is immediately and uniformly coated on the surface of the nanofiber, improving its conductive properties. The material obtained by this method can be used as a high-voltage and long-lasting cathode material, increasing the performance of lithium-ion batteries.

The invention discloses a high-energy ultra-short pulse width incandescent light source system based on argon, and relates to the field of air flow tests, the high-energy ultra-short pulse width incandescent light source system comprises a high-voltage electrode for performing arc discharge flash when high voltage is applied, and the high-voltage electrode comprises a high-voltage anode and a high-voltage cathode which can perform arc discharge flash when high voltage is applied, a preset distance is formed between the high-voltage anode and the high-voltage cathode; the argon supply device is used for conveying argon between the high-voltage anode and the high-voltage cathode; the focusing device and the condensing lens group are oppositely arranged on the two sides of the high-voltage electrode; the power supply supplies power to the high-voltage energy storage device, and the high-voltage energy storage device is electrically connected with the high-voltage electrode; the control module is used for performing time sequence control on the high-voltage anode and the high-voltage cathode; and the input and output module is connected with the control module and the power supply. Argon instead of conventional air is used as an ionization medium in the high-voltage electrode, so that extremely short pulse width can be realized during arc flash, and the electrode is prevented from being oxidized and damaged.

The vacuum rotor-free single-phase generator consists of a storage battery, a vacuum box, an inner copper pole, a silicon steel sheet, a coil, an outer copper pole, a high-voltage cathode tube, a high-voltage anode tube, a negative electricity high-voltage pack and a positive electricity high-voltage pack, and is characterized in that a winding consisting of the silicon steel sheet and the coil is arranged in the vacuum box, and the copper pole is wrapped inside and outside the winding; a high-voltage anode tube and a high-voltage cathode tube are placed on the copper electrode to attract electrons, voltage generated by rotation of a traditional generator is replaced, and the purpose of power generation of the traditional generator is achieved.

The invention relates to a nanodose measuring device, system and method. The nanodose measuring device comprises a main frame body and an electric field insulation protection structure, in the electric field insulation protection structure, a cavity is formed in the center of a high-voltage protection assembly, and a high-resistance dielectric plate is arranged on the outer side of the bottom of the cavity; the high-voltage insulation assembly is provided with a negative high-voltage cathode feed channel penetrating through the high-voltage insulation assembly, so that the non-penetrated part of the high-voltage insulation assembly forms a blocking part; the edge parts of the high-voltage protection assembly and the high-voltage insulation assembly are nested with each other, and the high-voltage protection assembly and the blocking part form an insulation space body wrapping the negative high-voltage cathode feed channel; the cathode vacuum cover plate is sleeved outside the insulating space body, and a vacuum sealing opening of the cathode vacuum cover plate is nested in the end part of the negative high-voltage cathode feed channel; the cathode high-voltage wire and the anode electrode form a high-voltage electric field, so that a narrow and extended breakdown path is formed in a gap between the cathode high-voltage wire and the cathode vacuum cover plate, and the phenomenon of gas breakdown between the cathode high-voltage wire and the cathode vacuum cover plate is avoided.

The invention relates to a multivalent cation co-doped sub-nanoscale high-conductivity coating for a high-voltage positive electrode and sulfide electrolyte interface and a preparation method. The component molecular formula of the high-conductivity coating is Lia (Nb1-xMx) O3, multivalent cation M is selected from at least one of Zr < 4 + >, Ta < 5 + > and Sc < 3 + >, and the molar content x of Mn < + > is limited in a range of 5mol%-50mol% of the total molar content. A represents the molar ratio of Li < + >; the thickness of the high-conductivity coating is controlled within the sub-nanometer range of 1-5 nm, and the ionic conductivity reaches 10 <-4 > S.cm <-1 > or above. The high-conductivity coating can isolate SSE oxygenolysis and is good in stability, and more importantly, the conductivity of body ions can be improved and the impedance of the space charge layer can be actively regulated and controlled at the same time, so that gt; and ultralow interface impedance is realized under 4.2 V high potential.

The invention discloses a gel polymer electrolyte based on a three-layer asymmetric gradient structure as well as a preparation method and application of the gel polymer electrolyte, and relates to the technical field of electrolyte materials of high-voltage lithium metal batteries. The gel polymer electrolyte comprises a three-layer structure of a cathode side layer, a middle layer and an anode side layer which are sequentially stacked, the three-layer structure takes polyvinylidene fluoride-hexafluoropropylene copolymer as a matrix and realizes functional partition through gradient doping of inorganic filler, and the inorganic filler is sodium niobate nanoparticles and gamma-Al2O3 particles; the components of each layer are accurately regulated and controlled, collaborative optimization of a lithium metal anode-electrolyte-high-voltage cathode interface and mechanical strength is realized, ohmic polarization and concentration polarization are reduced through a gradient structure, the ion transmission efficiency is improved, and the performance of the lithium ion battery is improved. The problems that an electrolyte in an existing high-voltage lithium metal battery is insufficient in electrode-electrolyte interface stability, poor in ion transport kinetics, weak in mechanical property, potential in safety hazard and the like are solved.

The present invention provides a rechargeable lithium metal cell comprising: an anode containing lithium metal; a cathode containing a high-voltage cathode material; and a plurality of lithium conductive layers interposed between the anode and the cathode, wherein the lithium conductive layer comprises a solid polymer anode liquid layer adjacent to the anode and one or more further electrolyte layers separating the polymer anode liquid layer from the cathode, and the solid polymer anode liquid layer comprises (i) a block copolymer comprising at least one hydrophobic nonionic block and at least one ionic block, and (ii) a lithium salt, and the solid polymer anode liquid layer has at least two glass transition temperature (Tg) values.

The invention discloses an emission type plasma reactor which comprises a machine shell and a high-voltage power box, an ozone decomposition net is arranged in the machine shell, two reactors are installed on the top face of the ozone decomposition net, an air inlet shutter is connected to the top face of the machine shell, and a first high-voltage plug and a second high-voltage plug are arranged at one ends of the two reactors respectively. And an electric control box is arranged in the shell. According to the device, needle-ring type plasma disinfection factors are emitted to the filter screen through the machine shell, the electric control box, the high-voltage power supply, the reactor, the ozonolysis net, the special pipeline, the high-voltage anode gold needle and the high-voltage cathode gold ring, the breeding variation problem of bacterial viruses carried by the filter screen is effectively controlled, and the device can be used for effectively solving the bacterial viruses carried by the filter screen of an air conditioner and a disinfector. The emission type plasma air disinfector has emission disinfection capability, and the emission type plasma air disinfector is installed at an air return port of a central air conditioner and effectively kills indoor air and bacteria and viruses on a filter screen.

The invention relates to a method for purifying gas, which can be applied to the fuel combustion process in the energy field and the coking, coal and chemical industry. The method for purifying the fuel gas comprises the following steps: carrying out ozone treatment on to-be-purified gas, then treating the to-be-purified gas subjected to ozone treatment by using a catholyte and an anolyte in sequence to form a catholyte condensate and an anolyte condensate, and discharging the catholyte condensate and the anolyte condensate. Purified gas is subjected to oxygen enrichment treatment through ozone and then is discharged into the environment. According to the invention, the ozone-treated gas is sequentially treated using a high-voltage cathode electrolyte liquid mist and a high-voltage anode electrolyte liquid mist. When a large amount of fuel gas is treated, the gas to be purified is divided into two or more gas flows after ozone treatment, and each gas flow to be purified is sequentially treated. The purification degree of a large amount of fuel gas is improved.

A lithium battery is provided which includes an anode and a cathode, wherein the cathode includes lithium manganese nickel oxide spinel having a dual particle structure, the dual particle structure including primary nanoparticles having a mean particle size of less than nanometers segregated from secondary microparticles having a mean particle size of at least one micron, wherein the primary nanoparticles are coated with a polymer coating and connected using a conducting network. A corresponding cathode material for a lithium battery, and a method of making a cathode material, are also provided.