111 results about "Cathode" patented technology

Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple configuration. This organic EL device comprises organic layers between an anode and a cathode piled one upon another on a substrate and at least one organic layer selected from a light-emitting layer, a hole-transporting layer, an electron-transporting layer, and a hole-blocking layer contains a carbazole compound represented by the following formula (1). In the case where the light-emitting layer of the organic electroluminescent device contains a phosphorescent dopant and a host material, it is the carbazole compound that is contained as the host material. In formula (1), X is C—Y or a nitrogen atom; Y is a hydrogen atom, an alkyl group, a cycloalkyl group, or an aromatic group; n is an integer of 2 to 4: A is an n-valent aromatic group; L is a direct bond or a divalent aromatic group; and R is a hydrogen atom, an alkyl group, or a cycloalkyl group.

A quad photoreceiver includes a low capacitance quad InGaAs p-i-n photodiode structure formed on an InP (100) substrate. The photodiode includes a substrate providing a buffer layer having a metal contact on its bottom portion serving as a common cathode for receiving a bias voltage, and successive layers deposited on its top portion, the first layer being drift layer, the second being an absorption layer, the third being a cap layer divided into four quarter pie shaped sections spaced apart, with metal contacts being deposited on outermost top portions of each section to provide output terminals, the top portions being active regions for detecting light. Four transimpedance amplifiers have input terminals electrically connected to individual output terminals of each p-i-n photodiode.

The disclosed embodiments provide a battery cell. The battery cell includes a cathode current collector containing graphene, a cathode active material, an electrolyte, an anode active material, and an anode current collector. The graphene may reduce the manufacturing cost and/or increase the energy density of the battery cell.

It is an object to provide a light-emitting element with high luminous efficiency by using a hole transporting substance with a sufficiently high T₁ level. Further, it is another object to provide a light-emitting device and an electronic appliance with low power consumption by using a hole transporting substance with a sufficiently high T₁ level. The present invention provides a light-emitting element which has a first layer containing a spiro-9,9′-bifluorene derivative in which one amino group is combined and a second layer containing a phosphorescent compound between an anode and a cathode.

A method of manufacturing an article with integral active electronic component comprising: using an additive manufacturing process to: a) form a non-electrically conductive substrate; b) form a non-electrically conductive perforated layer having an aperture; c) form electrically conductive anode and cathode elements spaced in the aperture; d) deposit a conductive electrical connection to each of the elements suitable for imparting an electrical potential difference between the elements; e) form a non-electrically conductive sealing layer atop the perforated layer so as to retain and seal the aperture in the perforated layer.

A current collector for use in a fuel cell is described and wherein the fuel cell includes an ion exchange membrane having opposite anode and cathode sides, and a current collector is disposed in ohmic electrical contact with each of the anode and cathode sides, and wherein at least one of the current collectors has a surface area which provides substantially effective operational hydration for the ion exchange membrane.

The invention discloses a multiplication type organic photoelectric detector with narrowband and broadband optical detection capabilities. The multiplication type organic photoelectric detector comprises a transparent substrate, a transparent anode arranged on the transparent substrate, an anode modification layer arranged on the transparent anode, an active layer arranged on the anode modification layer, and a semi-transparent metal cathode arranged on the active layer, wherein the semi-transparent metal cathode is one of aluminum, silver and gold, and the thickness is 10-30 nanometers. The invention also discloses a preparation method of the multiplication type organic photoelectric detector. According to the multiplication type organic photoelectric detector, double incident windows areprovided, a single device can realize narrowband and broadband optical detection, and the weak light detection capability is great.

The invention relates to a method for disposing organic wastewater by photocatalysis of double rotating table photocell liquid film reactor in the technical field of environmental catalysis. TiO2 photocatalyst is loaded on the base and is used as photo anode, which is fixed together with the cathode on the rotating shaft for forming a double rotating table, the lower half of the double rotating table is immerged in wastewater, and the double rotating table is connected with the carbon brush connecting with the rotating shaft by leads. The motor is started, and the rotate speed of the double rotating table is controlled, thus a layer of liquid film is formed on the surface of the double rotating table. An uviol lamp is taken as the excitation light source, the photoinduced electrons on the surface of the photo anode of the TiO2 film rotating table is transferred to the surface of the cathode of the rotating table, the photoinduced electrons react with the saturated dissolved oxygen on the surface of the cathode rotating table so as to generate H2O2, and the indirect oxidation to organic matter and the direct oxidation to organic matter by photo cavity on the surface of TiO2 film photo anode rotating table improve the degradation efficiency; and the rotation of the rotating table speeds up exchange and update of electrode surface and bulk solution substance, mass transfer is strengthened, and higher effect thereof can be realized.

An electrode comprises a conductor and an electrode coating, said electrode coating comprising as electronically active material a transition metal (T) oxidenitride of formula Li_xT^I_mT^II_nN_yO_z form of nanoparticles, wherein x=0-3, y+z=2-4, y>0, z>=0.25, m+n=1, m=0-1, n=0-1, T^I and T^II both being transition metals of the groups IVB, VB, VIB and VIIB, and periods 3d, 4d and 5d, in particular transition metals selected from Zr, Nb, Mo, Ti, V, Cr, W, Mn, Ni, Co, Fe and Cu. Dependent on the kind of transition metal, its oxidation state and the Li content, such materials may be used as anode materials or as cathode materials, respectively.

The invention provides a cathode for a metal and carbon nano tube or carbon fiber film emitting array and a manufacturing method thereof in the microelectronic technical field. The cathode structure comprises a substrate, a bottom electrode, a resistive layer, an emitter, a knee wall, an insulating layer, a grid electrode and a forming electrode, wherein the bottom electrode layer is firstly formed on the substrate; the resistive layer is arranged on the surface of the bottom electrode layer; a composite film of metal and carbon nano tube or carbon fiber is deposited on the resistive layer as the emitter; the bottom electrode has a patterned structure on a plane; the clearance position of the bottom electrode is provided with a knee wall structure; the insulating layer is arranged on the insulating layer, while a grid electrode structure is suspended on the insulating layer; the forming electrode is arranged on the upmost layer of the whole structure; and the structure layers are all subject to patterning treatment. The cathode for the metal and carbon nano tube or carbon fiber film emitting array and a manufacturing method thereof manufacture a pattern structure by micro machining method and film technology, can realize a field emitting cathode array with complicated structure, and can be integrated with other micro machining processes by the composite plating method. The device preparing device is simple and easy, and can reduce manufacturing cost.

A method of depositing a layer of a coating material (e.g., DLC protective overcoats of magnetic and magneto-optical recording media) on a surface of a substrate/workpiece, the layer including relatively thin and relatively thick regions defining a thickness gradient at a boundary therebetween, comprising steps of: (a) providing a filtered cathodic arc deposition (FCAD) process/treatment chamber comprising a FCAD source including means for providing a focused plasma beam containing ions of a coating material and means for scanning the plasma beam over a substrate/workpiece surface; (b) providing the process/treatment chamber with a substrate/workpiece including a surface for deposition thereon; and (c) forming on the surface a layer of coating material including the relatively thin and relatively thick regions defining the thickness gradient at the boundary therebetween by scanning the plasma beam over at least a portion of the surface.

Provided is an auto-thermal evaporative liquid-phase synthesis method for cathode material for battery, comprising the following steps: (1) Adding a synthetic raw material of cathode material into a solvent to obtain a mixture A, the synthetic raw material of the cathode material containing lithium source, adding an accelerant into the mixture A, which makes the mixture A achieve a strong auto-thermal reaction to release heat to evaporate the solvent, and obtaining a solid precursor of the cathode material; (2) Drying the precursor, sintering in an atmosphere furnace and obtaining the cathode material. The method is simple in process, low in energy consumption, requirements for equipment and cost, and is applicable to industrial mass production and application. The cathode material obtained through the method is stability in batch, easy to process, low in internal resistance and high in capacity and has an excellent charging and discharging performance.

A safe power supply circuit of the invention comprises a single-chip microcomputer control circuit, a loop protecting circuit and a voltage reducing and stabilizing power supply circuit which supplies electric power to the single-chip microcomputer control circuit. The output end of the loop protecting circuit is connected with a voltage detecting circuit. One end of the output end of the voltage detecting circuit is connected with the single-chip microcomputer control circuit, and the other end is connected with a loop switch protecting circuit. The output end of the loop switch protecting circuit is connected with a current detecting circuit. The output end of the current detecting circuit is connected with the single-chip microcomputer control circuit. The output end of the single-chip microcomputer control circuit is connected with a voltage detecting circuit. The safe power supply circuit can settle the problems of no protecting measures for overvoltage, overcurrent and reverse charging; and incapability of realizing automatic matching between a charger and an anode and a cathode of a battery. Higher safety and higher user-friendly performance of an electric vehicle are realized.

To provide a magnetron sputtering cathode, a magnetron sputtering apparatus, and a method of manufacturing a magnetic device, capable of generating a leakage magnetic field sufficiently large to form a magnetic tunnel necessary for discharge on the surface of a target even when the target is a magnetic body and thick and a ferromagnetic body is used as the target. The magnetron sputtering cathode of the present invention includes a target having a second annular groove provided on the sputtering surface of the target, a third annular projection provided on the non-sputtering surface of the target, a fourth annular groove provided outside the third annular projection on the non-sputtering surface, and a fourth annular projection provided outside the fourth annular groove on the non-sputtering surface. Further, the magnetron sputtering cathode includes a first magnet and a second magnet 6 having a polarity different from that of the first magnet on the non-sputtering surface side.

The invention provides a preparation method of a paper-graphite-CoPd thin film electrode. The preparation method comprises the following steps: (1) uniformly coating ordinary paper with a mixture of graphite and clay; (2) retaining the paper coated with the graphite for 20-30 min under the voltage of 1.0V, activating the coating graphite, and then performing electro-deposition on Co for 120-150 min under the voltage of -0.8V to obtain a paper-graphite-Co thin film electrode; and (3) enabling the paper-graphite-Co thin film electrode to stand in 0.8 mmol/L<-1> of PbC12 solution for 1-3 min to obtain the paper-graphite-CoPd thin film electrode, namely a graphite coated paper loading CoPd catalyst. According to the method, with pencil coated paper, Co is subjected to electro-deposition on the surface of conducting paper coated with graphite, and then partial Co is replaced with Pd to prepare the graphite coated paper loading CoPd catalyst, so that the electroreduction performance of hydrogen peroxide is improved. The preparation method overcomes the defects of high current collector cost, hydrogen peroxide decomposition and the like, and solves the problem that hydrogen peroxide based full cells are bad in cathode activity.

Disclosed is an electrostatic discharge (ESD) protection circuit. The ESD protection circuit may include a silicon controller rectifier (SCR) which may be triggered via at least one of its first trigger gate or second trigger gate. The ESD protection circuit may further include a highly doped region coupled to either the anode or cathode of the SCR, wherein the highly doped region may provide additional carriers to facilitate triggering of the SCR during an ESD event, whereby the SCR may be triggered more quickly.

A method of forming a corundum surface layer on a metal part has the steps of providing an electrolytic bath, immersing a metal part in the electrolytic bath as an anode, providing a cathode, and passing a wave electric current with a gradual increase of voltage between the cathode and the anode to 1000-1800 V.

Provided is rolled supercapacitor comprising an anode, a cathode, a porous separator, and an electrolyte, wherein the anode contains a wound anode roll of an anode active material having an anode roll length, an anode roll width, and an anode roll thickness, wherein the anode active material contains isolated graphene sheets that are oriented substantially parallel to the plane defined by the anode roll length and the anode roll width; and/or the cathode contains a wound cathode roll of a cathode active material having a cathode roll length, a cathode roll width, and a cathode roll thickness, wherein the cathode active material contains isolated graphene sheets that are oriented substantially parallel to the plane defined by the cathode roll length and the cathode roll width; and wherein the anode roll width and/or the cathode roll width is substantially perpendicular to the separator.

A Field Emission Display (FED) includes: a first substrate; a cathode arranged on the first substrate: a conductive layer arranged on the cathode, the conductive layer including a first opening; an insulating layer arranged on the first substrate to cover an upper surface and side surfaces of the conductive layer, the insulating layer including a second opening arranged in the first opening to expose a portion of the cathode; a gate electrode arranged on the insulating layer, the gate electrode including a third opening connected to the second opening; a plurality of emitters arranged on the portion of the cathode exposed in the second opening and along both edges of the second opening, the plurality of emitters being spaced apart from each other; and a second substrate facing the first substrate and spaced apart from the first substrate, the second substrate including an anode and a fluorescent layer formed on a surface thereof.

The invention discloses a city lane realizing charging during driving of an electric automobile. The city lane comprises an electric automobile wireless charging electric energy emission system and a lane pavement (3). The electric energy emission system comprises a DC source, an AC source, an emission circuit, a wireless electric energy emitter (2) and a driving battery (5). The DC source, the AC source, the emission circuit, the wireless electric energy emitter (2) and the driving battery (5) are successively connected in series, the surface of the upper portion of the lane pavement (3) is in contact with electric automobile driving wheels, the wireless electric energy emitter (2) is fixed below the lane pavement (3), the input anode of the driving battery (5) is connected with the anode of a wireless electric energy receiver (4), and the input cathode of the driving battery (5) is connected with the cathode of the wireless electric energy receiver (4). The city lane provided by the invention makes up for the disadvantage of wired charging of an electric automobile in the prior art.

The invention provides a lithium ion battery cathode, the cathode comprises a current collector and a cathode material layer positioned on the surface of the current collector, wherein the cathode material layer is a copper stibium alloy electroplated layer, the thickness of the copper stibium alloy electroplated layer is 5-40 mum, the weight content of copper in the copper stibium alloy is 35%-65%. The invention also provides a method for preparing the lithium ion battery cathode by depositing the copper stibium alloy on the current collector through an electroplating method. The invention also provides a battery which takes the cathode as the lithium ion battery cathode. The lithium ion battery cathode of the invention has the advantages of excellent conductive performance, cycle performance and heavy current charge and discharge performance, the plated layer and the current collector base material enable strong bonding force, the cathode material on the surface of the current collector possesses a stable structure. The electroplating method used by the invention is capable of accurately regulating and controlling the thickness and component of the copper stibium alloy electroplated layer on the current collector in certain extent, all the steps are carried out under normal temperature, the reaction time is short and the energy consumption is low.