212results about How to "Reduce discharge voltage" patented technology

Provided is a lithium secondary battery with enhanced energy density including a cathode using a cathode active material containing lithium mixed transition metal oxide absorbing and discharging lithium ions, wherein a final discharge voltage is in the range of about 1.5 V to about 2.75 V. A final discharge voltage can be reduced to 1.5 V to 2.75 V from 3.0 V by using various lithium mixed transition metal oxides as a cathode active material, or by using the various lithium mixed transition metal oxides with the LCO-based cathode material mixed. Compared to typical LCO-based cathode materials of which capacity and energy density do not change even if a final discharge voltage is decreased, a cathode material of the present invention results in further improving capacity by 10-20% as the final discharge voltage is decreased.

The present invention relates to a plasma display panel comprising transparent electrodes and a dielectric layer covering said transparent electrodes on at least one substrate of a pair of substrates facing each other with a discharge space therebetween, the main constituent of the transparent electrodes is included in the dielectric layer. Further, the main constituent of the transparent electrode is indium oxide and indium oxide is included in the dielectric layer. By including the main constituent of the transparent electrodes in the dielectric layer, it is believed that the drop in conductivity caused by diffusion of the dielectric substance in the transparent electrodes during high-temperature processing is prevented.

A spark plug includes a metal shell, an insulator, a center electrode, and a ground electrode. The insulator is retained in the metal shell. The center electrode is secured in the insulator and has an end portion that protrudes from the insulator and has an end edge. The ground electrode includes a base member fixed to the metal shell and a protruding member joined to the base member. The protruding member protrudes from a surface of the base member and has a hollow end face that faces the end portion of the center electrode through a spark gap. The end face of the protruding member has an inner edge and an outer edge, both of which face the end edge of the end portion of the center electrode. With the above configuration, the spark plug can induce spark discharges with a low discharge voltage while securing the ignition capability thereof.

Disclosed is an apparatus for generating low-temperature plasma at atmospheric pressure, comprising: a couple of electrodes facing each other at a distance, one of them being connected to a power supply, the other being grounded; a couple of dielectrics with a thickness of 25 mum to 10 mm, positioned on the facing surfaces of the electrodes in such away as to face each other, one of them having at least one discharge gap therein; and a conductor electrode having at least one tip positioned within the discharge gap, wherein an electric field is applied at an intensity of 1-100 KV/cm through the power supply across the electrodes by use of a pulse direct current or an alternating current in a frequency bandwidth of 50 Hz to 10 GHz while a reaction gas is fed between the electrodes, so as to induce a hollow cathode discharge, a capillary discharge or the high accumulation of charges from the discharge gap. The inventive apparatus prevents the conversion of the plasma to arcs and thus gives stable, low-temperature plasma in a high density.

The invention belongs to the technical field of plasma chemistry and hydrogen energy, and relates to a plate type plasma discharge reactor for hydrogen production through ammonia decomposition. The plasma reactor is characterized by being divided into a plat-plate type, a needle-plate type and a pipe-plate type according to different earth electrodes, wherein an insulating blocking medium is arranged between a high-voltage electrode and the earth electrode of the reactor, and open pores are formed on the blocking medium; the high-voltage electrode and the earth metal electrode generate plasmas to discharge through the open pores on the blocking medium to ensure that ammonia gas is decomposed into hydrogen gas and nitrogen gas in a discharge zone; and the open pores of the blocking medium not only are discharge channels, but also are inevitable channels for reactants. The plate type plasma discharge reactor with the blocking medium provided with the open pores has the advantages of reducing the discharge voltage, limiting the discharge zone, improving the energy density of the discharge zone, and further improving the efficiency of decomposing the ammonia gas directly by using non-equilibrium plasmas.

The invention discloses an electromagnetic forming device and method of a metal pipe. The device comprises a background magnetic field unit and a metal pipe forming driving coil, wherein the background magnetic field unit is used for generating a pulse background magnetic field on the metal pipe, and a pulse driving magnetic field can generate vortexes on the metal pipe; and the metal pipe forming driving coil is used for generating the pulse driving magnetic field on the metal pipe. Due to the fact that the pulse width of the pulse driving magnetic field is much smaller than that of the pulse background magnetic field, the vortexes generated by the pulse background magnetic field on the metal pipe can be ignored, meanwhile, the influences of the pulse driving magnetic field on a magnetic field on the metal pipe can be ignored, and thus, electromagnetic force is generated on the metal pipe through interaction of the pulse background magnetic field and the vortexes. By independently adjusting the pulse background magnetic field and the pulse driving magnetic field, the electromagnetic force can be improved, the metal pipe high in mechanical strength and low in conductivity can be formed, meanwhile, the design difficulty of the forming driving coil can be lowered, and the service life of the forming driving coil is prolonged.

An alternating current driven type plasma display device characterized in that a discharge gas charged in a discharge space where discharge takes place consists of a xenon gas alone and the discharge gas has a pressure of 9.0x104 Pa or lower.

The invention provides a medical array type micro-plasma skin treatment device comprising a shell, high voltage electrodes, a ground electrode, insulation medium tubes, an air inlet tube, a PCB, a high voltage power supply and a high voltage line. The shell is a cylindrical shell, and the internal part is provided with a separating plate of which the surface is provided with an air inlet A and a line penetrating port A. The sealing end of the shell is provided with an air inlet B and a line penetrating port B. The air inlet tube is communicated with the air inlet A through the air inlet B. The PCB, the ground electrode and a sealing cap are installed below the separating plate in turn. The sealing cap is connected with the shell in a threaded way. The ground electrode and the surface of the sealing cap are uniformly provided with through holes. The insulation medium tubes are arranged in the through holes. The high voltage electrodes are installed in the internal parts of the insulation medium tubes. The top ends of the high voltage electrodes are welded on the PCB. The surface of the PCB is uniformly provided with ventilation holes. The high voltage line is connected on the PCB. The high voltage line penetrates through the line penetrating port A and the line penetrating port B to be connected with the external high voltage power supply. The medical array type micro-plasma skin treatment device has advantages of being simple in structure, convenient to use and flexible in operation.

A plurality of separation needles are arranged downstream from a transfer roller in the sheet transport direction along a direction which is orthogonal to the sheet transport direction, and when a separation voltage is applied to the separation needles, an electrical discharge occurs between the photosensitive drum and the separation needles, and a sheet which has been charged by the transfer roller has static charge eliminated and is separated from the photosensitive drum. Furthermore, a transport unit established downstream from the separation needles in the sheet transport direction has a plurality of transport plates which guide the transport of the sheet, and a grounding plate which is located between these transport plates, and the grounding plate is connected to the grounding unit of the device body such that the grounding plate can be seen without interference from the tip end of the separation needles.

The invention discloses a method for improving activated carbon performances by self-assembling low-temperature plasma modification, and belongs to the technical field of activated carbon modification. A self-assembling low-temperature plasma modification reaction device used in the invention mainly comprises a box body, a plasma generator, a gas distribution and exhaust gas treatment system, an auxiliary facility and the like. The activated carbon modification is taken as an aim, and the activated carbon modification is realized via four processes of activated carbon screening treatment, reactor detection and setting, activated carbon modification, and exhaust gas treatment. The method for improving the activated carbon performances by the self-assembling low-temperature plasma modification can effectively reduce the loss of activated carbon, shorten the modification time and improve the modification efficiency of the activated carbon, takes air as an air source which is cheap in price and easily obtained and is simple to operate, free of ozone dissipation and waste liquid to be treated, and environmentally friendly. The method for improving the activated carbon performances by the self-assembling low-temperature plasma modification can be widely used in the activated carbon modification, and further can be popularized and applied to the modification of adsorbents of kaolin and montmorillonite.

The invention relates to a double-layer sleeve type corona plasma generating device comprising a gas buffering chamber, an outer-layer processing chamber and an inner-layer processing chamber. A gas inlet is provided on the outer side of the gas buffering chamber. An insulation baffle is provided on the inner side of the buffering chamber. Airway through holes are provided on the baffle. Gas to be processed sequentially enters the outer-layer processing chamber and the inner-layer processing chamber through the airway through holes. When the gas is completely processed, the gas is discharged from a gas outlet connected to an end of the inner-layer processing chamber. According to the invention, with the buffering chamber, the gas to be processed can be uniformly and stably delivered in the processing chambers. The chambers adopt a coaxial multi-pin-plate structure, such that electric field unevenness coefficient is high, discharge voltage is low, and thus operation energy consumption is reduced. Also, voltage adjustable range is wide, and application scope is wide. With the inner-outer double layer structure, low temperature plasma dedusting and waste gas degradation are separated, such that the influence of dust in waste gas to waste gas molecule degradation is avoided, and energy utilization rate is improved. Also, reactor structure is compact. The device provided by the invention is suitable for the fields such as waste gas treatment, sterilization and disinfection, ozone synthesis, and the like.

The invention discloses a low-temperature plasma generating device with a stealth function, comprising discharging patches, an electromagnetic transparent dielectric coating, a micropore, a carbon fiber discharge electrode and a metal conducting layer. A low-temperature plasma generating method with a stealth function, the discharging patches are uniformly installed on the outer surface of military equipment, and the discharging patches are connected with a high-voltage power supply; the high-voltage power supply is controlled to release pulse high voltage, the pulse voltage is connected witha carbon fiber discharge electrode, dielectric barrier discharge is carried out under the action of the electromagnetic transparent dielectric coating to release the plasma, and a plasma cloud clusteris formed. According to the device in the invention, the high-frequency high-voltage plasma generator is used for manufacturing the plasma, that is, under a high-frequency voltage condition, a dielectric barrier discharge mode is used to avalanche the air into plasma, and radar signals can be shielded.

The invention provides a composite material containing a fluorine-containing titanium phosphate compound as well as a preparation method for the composite material. The composite material comprises the following raw materials in percentage by weight: 60-99 percent of the fluorine-containing titanium phosphate compound and 1-40 percent of an electronic conductive material, wherein the chemical formula of the fluorine-containing titanium phosphate compound is Na3[Ti2P2O10F]. The invention further provides a lithium ion battery anode material containing the composite material, a sodium-ion battery anode material containing the composite material and corresponding batteries. Furthermore, the invention further relates to application of the composite material containing the fluorine-containing titanium phosphate compound in a lithium ion battery and a sodium-ion battery, and particularly application in a room-temperature lithium ion battery and a room-temperature sodium-ion battery. The composite material disclosed by the invention has the advantages of low cost, low voltage, high capacity, environment friendliness and the like.

A plasma-discharge light emitting device is provided. The plasma-discharge light emitting device may include: rear and front panels separated from each other in a predetermined interval, wherein at least one discharge cell may be provided between the rear and front panels, and wherein plasma discharge may be generated in the discharge cells; a pair of discharge electrodes provided on at least one of the rear and front panels for each of the discharge cells; a trench provided as a portion of each of the discharge cells between the pair of the discharge electrodes; and electron-emitting material layers provided on both sidewalls of the trench.