1737 results about "Metallic electrode" patented technology

Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided.

A bistable electrostatic actuator with pneumatic or liquid coupling. The actuator has enclosed metallic electrodes. It can be used for a microvalve or micropump. The actuator has buckled membrane sections in pairs and curved substrate electrodes, locally associated with said membrane sections.

Methods for fabricating a plurality of sensors on a flexible substrate, with each sensor having associated electrodes and at least one well include (a) providing a flexible substrate material layer having a surface area defined by a length and width thereof; (b) forming a plurality of sensor elements onto the flexible substrate material layer, each sensor element comprising at least one metallic electrode; (c) disposing at least one coverlay sheet layer over the flexible substrate sandwiching the sensor elements therebetween; (d) laminating the at least one coverlay sheet layer having an associated thickness to the flexible substrate; and (e) removing predetermined regions of the laminated coverlay sheet layer from the flexible substrate layer to expose a portion of the underlying metallic pattern of each sensor element and to define a well with a depth corresponding to the thickness of the coverlay sheet layer. The disclosure also describes multi-layer laminated flexible sensors and arrays of sensors with wells having enhanced well capacity and/or depth.

The invention discloses a preparation method of a graphene dispersion liquid. The preparation method of the graphene dispersion liquid comprises the following steps: placing an expanded graphite compacted electrode and a metallic or non-metallic electrode material in an electrolyte solution as an anode and a cathode respectively, and applying a voltage of 1-20V and/or a current having a density of 1-200mA/cm<2> between the anode and the cathode for carrying out an electrochemical reaction for 1-120min; and washing an anode product obtained after the electrochemical reaction, adding to a dispersant, and carrying out ultrasonic or/and mechanical stirring dispersion to obtain the graphene dispersion liquid. The invention also discloses a preparation method of a graphene film. The graphene dispersion liquid forms the graphene film on a substrate in a filter film forming mode or a coating film forming mode or a natural deposition mode. The preparation methods have the advantages of simple process, easy operation, high controllability, low cost and mild reaction condition, and are suitable for the industrialized large-scale production.

A high-density microelectrode array that is flexible and stretchable and can also be implanted within living tissue is provided. The microelectrode array includes at least first and second implantable and biocompatible polymeric layers in which a plurality of patterned conductive features, including metallic contact pads, metallic traces and metallic electrodes are sandwiched therebetween. Each metallic trace is located between a metallic contact pad and a metallic electrode and has substantially rounded corners and a zigzag pattern. The latter features are provided using stent technology. The present invention also provides a method of fabricating such a flexible, stretchable, and implantable microelectrode arrays which combined micromaching technology and stent technology as well as an implantable medical device that includes the inventive microelectrode array.

An optical resonator type organic electroluminescent element has a multilayered film mirror 30, a transparent electrode 12, an electron hole transportation layer 14 and a luminescent layer 16 configuring an organic layer, and a metallic electrode mirror 20, formed on a glass substrate 10. The optical resonator type organic electroluminescent element amplifies a specific wavelength (especially, in a range of about 30 nm toward a shorter wavelength side from a luminescence peak wavelength of the organic layer) in luminescence light by a minute optical resonator, which comprises the multilayered film mirror 30 and the metallic electrode mirror 20. It is determined that the minute optical resonator has an optical length L which is twice as long as a resonance wavelength, the organic layer has a thickness of 100 nm or more, and the transparent electrode has a thickness of 50 nm or more or a thickness so to have a sheet resistance of 30 OMEGA/square or less. Thus, the transparent electrode can be prevented from generating heat even when a large current is caused to flow into it, and the element characteristics can be reliably prevented from being deteriorated. Moreover, the reliability of this element can be improved because the organic layer containing the luminescent layer has a sufficient thickness.

The invention relates to a perovskite solar battery and a preparing method thereof. The perovskite solar battery comprises a transparent electrode, a hole transmission layer, a perovskite light absorption layer, an electronic transmission layer and a metal electrode. The hole transmission layer comprises at least one of PEDOT: PSS, P3HT, PTAA, PThTPTI, metallic oxide and graphene oxide. The electronic transmission layer comprises at least one of 58 pi-electronic fullerene PCBM, 56 pi-electronic fullerene OQMF, 54 pi-electronic fullerene OQBMF, PFN, PEIE, ZnO, TiO2, doped or modified ZnO or TiO2. The perovskite solar battery is high in energy exchange efficiency and low in cost and can be produced on a large scale, and the preparing method is simple in technology.

The present invention relates to a semiconductor device that contains at least one trench metal-oxide-metal (MIM) capacitor and at least one other logic circuitry component, preferably at least one field effect transistor (FET). The trench MIM capacitor is located in a trench in a substrate and comprises inner and outer metallic electrode layers with a dielectric layer therebetween. The FET comprises a source region, a drain region, a channel region, and at least one metal contact connected with the source or drain region. The present invention also relates to a fabrication process, which integrates the processing steps for fabricating the trench MIM capacitor with the conventional middle-of-line processing steps for fabricating metal contacts, so that the inner metallic electrode layer of the trench MIM capacitor and the metal contact of the FET or other logic circuitry components are formed by a single middle-of-line processing step and comprise essentially the same metallic material.

The present invention provides a method for depositing a dielectric stack comprising forming a dielectric layer atop a substrate, the dielectric layer comprising at least oxygen and silicon atoms; forming a layer of metal atoms atop the dielectric layer within a non-oxidizing atmosphere, wherein the layer of metal atoms has a thickness of less than about 15 Å; forming an oxygen diffusion barrier atop the layer of metal atoms, wherein the non-oxidizing atmosphere is maintained; forming a gate conductor atop the oxygen diffusion barrier; and annealing the layer of metal atoms and the dielectric layer, wherein the layer of metal atoms reacts with the dielectric layer to provide a continuous metal oxide layer having a dielectric constant ranging from about 25 to about 30 and a thickness less than about 15 Å.

The invention discloses a P-N junction 4pi light emitting high-voltage light emitting diode (LED) and an LED lamp bulb. The high-voltage LED comprises a transparent substrate, wherein the two ends of the transparent substrate are provided with electrical lead-out wires; the transparent substrate is provided with at least one string of high-voltage LED chips; each high-voltage LED chip comprises at least two LED P-N junctions which are connected with each other in series; at least one electrical connecting line is arranged between every two P-N junctions; and the two ends of each high-voltage LED chip are provided with at least one metal electrode for welding a bonding wire respectively. The LED lamp bulb comprises a light transmitting bulb shell, a core column, at least one high-voltage LED, a driver and an electrical connector, wherein the core column is provided with an exhaust pipe, an electrical lead-out wire and a bracket; the high-voltage LED consists of the high-voltage LED chips and is fixed on the core column, and the electrodes of the high-voltage LED are connected with the driver and the electrical connector which can be connected with an external power source through electrode lead-out wires of the core column; and the core column and the light transmitting bulb shell are sealed under vacuum to form a sealed cavity which is filled with high-heat-conductivity low-viscosity gas. The invention has the characteristics of high overall lamp efficiency, high reliability, low cost, long life and the like.

Systems and methods are disclosed to form a resistive random access memory (RRAM) by forming a first metal electrode layer; depositing an insulator above the metal electrode layer and etching the insulator to expose one or more metal portions; depositing a Pr_1-XCa_XMnO₃ (PCMO) layer above the insulator and the metal portions, wherein X is between approximately 0.3 and approximately 0.5, to form one or more self-aligned RRAM cells above the first metal electrode; and depositing a second metal electrode layer above the PCMO layer.

The invention relates to composite electrodes and an electrokinetic remediation method of heavy metal polluted soil by using the composite electrodes. According to the electrodes, an active material layer is adhered to the surface of graphite electrodes or metal electrodes of an anode and a cathode so as to form integrated composite electrodes with permeable reactive performance. By the permeablereactive layer, on one hand, H<+> and OH<-> generated from the electrode reaction can be neutralized and adsorbed, the pH value of the soil can be effectively controlled, and the heavy metal can be prevented from being prematurely deposited in the soil. On the other hand, migrated heavy metal pollutants can be captured, and in situ removal of the heavy metal pollutants in the soil can be realizedby removing the composite electrodes.

The invention relates to a perovskite solar cell and a method for manufacturing the same. The perovskite solar cell comprises an FTO (fluorine-doped tin oxide) transparent conducting glass substrate, an electron transport layer, a light absorption layer, a hole transport layer and a metal electrode. The light absorption layer is made of (C<6>H<5>CH<2>CH<2>NH<3>)<2>(CH<3>NH<3>)<n-1>Pb<n>I<3*n+1> (the n is equal to 1 or 2) materials which are of two-dimensional layered structures. The perovskite solar cell and the method have the advantages that the layered perovskite light absorption layer is manufactured by the aid of a spin coating process, the method is simple and is excellent in film-forming property, the materials of the light absorption layer can be changed along with the layer number n, gaps of the materials can be adjusted, and the materials are excellent in chemical stability and still can keep the excellent layered structures without chemical decomposition after being exposed at high air humidity (50-80%) for 30 days, solar cell prototype devices with excellent and stable performance can be obtained, and the perovskite solar cell and the method are favorable for promoting perovskite solar cell commercialization progress.

A color organic light-emitting display having an array of pixels divided into at least two different color pixel sets each color pixel set emitting a different predetermined color, wherein each pixel in the array includes a metallic bottom-electrode layer; an organic EL element including a light-emitting layer for emitting the predetermined color light and a metallic top-electrode layer over the organic EL element, spaced from the metallic bottom-electrode layer by a distance selected to improve the emission light output efficiency; and wherein one of the metallic electrode layers is semitransparent and the other one is essentially opaque and reflective; wherein the material for the semitransparent metallic electrode and the reflective electrode includes specific materials; and the thickness of the semitransparent metallic electrode layer and the position of the light-emitting layer between the electrodes are selected to enhance emission light output efficiency.

The invention relates to a perovskite thin-film photovoltaic cell and a manufacturing method of the perovskite thin-film photovoltaic cell. The perovskite thin-film photovoltaic cell is composed of a conducting transparent substrate, a perovskite light-absorbing layer, a hole transfer layer and a metal electrode. The perovskite thin-film photovoltaic cell has the advantages that the structure is quite simple, a traditional electron transfer layer which needs high-temperature sintering is omitted due to the fact that a perovskite material serves as the light-absorbing layer and achieves the electron transfer function, and a porous layer is not needed either; the perovskite material is high in light-absorbing performance, the whole cell is manufactured at a low temperature, the complicated processes such as high-temperature sintering are not needed, and therefore the manufacturing cost of the cell is effectively reduced; the great promotion function is achieved on the flexibility of the cell and the large-sized reel-to-reel printing manufacturing of the cell; the whole manufacturing technology of the cell is simple, the popularization of the technology is facilitated, high photoelectric converting efficiency (approximate to 14 percent) and good device stability are obtained particularly, and therefore the industrial application prospect is achieved.

A plurality of p anode regions are formed at one surface of an n⁻ substrate. A trench is formed in each p anode region. An ohmic junction region is formed between an anode metallic electrode and the p anode region. The p anode region has a minimum impurity concentration at a portion near the ohmic junction region which enables ohmic contact. A cathode metallic electrode is formed at the other surface of the n⁻ substrate with an n⁺ cathode region interposed. Accordingly, a semiconductor device which has an improved withstand voltage and in which the reverse recovery current is reduced can be obtained.

The invention relates to a copolymer of bithiophene diazosulfide and dibenzothiophene (BDT) and application thereof. 4,7-bithiophene-5,6-dioctyloxy-diazosulfide (DODTBT) and a di-tin compound of the BDT are coupled through Stille to obtain poly-[2,6-(4',8'-di-iso-octyl-benzene-(1',2'-b;3',4'-b)-bithiophene)-CO-4,7-bithiophene-5,6-dioctyloxy-diazosulfide (PBDT-DODTBT). The polymer has good photoelectric conversion function and can be widely applied to polymer solar cells. Particularly, the PBDT-DODTBT is used as a donor material and mixed with a C60 receptor, and an obtained mixture is coated on ITO (Indium Tin Oxid) conducting glass to prepare a semitransparent thin film; and then a metal electrode is evaporated on the polymer through a vacuum evaporation mode to prepare a polymer solar cell device, wherein the preliminary survey energy conversion efficiency (PCE) of the device reaches 4.02 percent.