|| List of recent Cathode-related patents
|Modeling changes in the state-of-charge open circuit voltage curve by using regressed parameters in a reduced order physics based model|
A method for modeling changes in the state of charge vs. Open circuit voltage (soc-ocv) curve for a lithium-ion battery cell as it ages.
Some exemplary embodiments of a multi-chip semiconductor package utilizing a semiconductor substrate and related method for making such a semiconductor package have been disclosed. One exemplary embodiment comprises a first semiconductor device including, on a surface thereof, a first patterned dielectric layer, a conductive redistribution layer, a second patterned dielectric layer, and a second semiconductor device.
|Fuel cell system|
A fuel cell system (10) with a toggle switch (32) between an on or off position is provided. In the off position, gas is purged from the fuel cell.
|Fuel cell system|
This fuel cell system monitors the temperature of an off-gas combusting unit detected by a combustor temperature detecting unit in a constant output operation state such as a rated operation state where a sweeping current of a cell stack becomes constant, rather than directly measuring the fuel property, and controls the flow rate of the cathode gas so that the temperature of the off-gas combusting unit reaches a target temperature. Moreover, the fuel cell system determines the fuel property based on the variation of the flow rate of the cathode gas changed until the temperature of the off-gas combusting unit reaches the target temperature and the temperature of the cathode gas.
|Solid oxide fuel cell system and a method of operating a solid oxide fuel cell system|
A solid oxide fuel cell system (10) comprises a solid oxide fuel cell stack (12) and an electrochemical device (14). The solid oxide fuel cell stack (12) comprises at least one solid oxide fuel cell (16) and each solid oxide fuel cell (16) comprises an electrolyte (18), an anode (20) and a cathode (22).
|Method for producing cathode material for rechargeable lithium-air batteries, cathode material for rechargeable lithium-air batteries and rechargeable lithium-air battery|
A method for producing a cathode material for rechargeable lithium-air batteries, which has a cathode catalyst loaded onto carbon, includes: a step of sonicating a mixed solution including a carbon having a specific surface area of 20 to 1,500 m2/g, a surfactant and a solvent, and a step of in situ synthesis of the cathode catalyst by (1) adding a cathode catalyst raw material to the mixed solution and (2) adding a solution containing an oxidant to the mixed solution to cause in situ precipitation of the cathode catalyst onto the carbon, the catalyst having a wire form in which the short axis length is smaller than that of the carbon and is 2 to 50 nm and the long axis length is longer than that of the carbon and is 5 to 200 nm.. .
|Particulate mixture, cathode active material, cathode, secondary battery, and production method thereof|
The object of the present invention is to provide a method for producing lithium transition metal phosphate with a small particle size and uniform element spatial distribution, which enables continuous and large-scale synthesis. Its solution is as follows: a particulate mixture is synthesized by the spray-combustion method, wherein a mixed solution containing a lithium source, a transition metal source, and a phosphorus source is supplied into a flame along with a combustion-supporting gas and a flammable gas, as a mist-like droplet.
|Lithium secondary battery and preparation thereof|
The present invention provides a lithium secondary battery and the preparation thereof, more specifically a lithium secondary battery comprising an electrode assembly having a cathode, an anode, and a separator interposed between the cathode and the anode; and a non-aqueous electrolyte solution impregnated in the electrode assembly, wherein the separator further comprises a layer having a plurality of destroyed capsules dispersed therein, the layer being formed on at least one surface of the separator coming into contact with the cathode and the anode, and the destroyed capsules has a film formed from a binder polymer and inorganic particles dispersed therebetween. The lithium secondary battery of the present invention can be prepared without the separate introducing process of a non-aqueous electrolyte solution, and has a separator exhibiting improved mechanical property and safety..
|Mandrel for preparation of jelly-roll type electrode assembly|
Disclosed herein is a mandrel configured to be used in a winding process for manufacturing a jelly roll type electrode assembly using a long sheet type stack of a cathode/separator/anode structure, wherein the mandrel is oval in a section perpendicular to a rotational central axis of the mandrel, a length ratio of a major axis to a minor axis of the mandrel being 1.5 or more, and a tilt of an outer side of the mandrel is continuously changed from an end of the minor axis of the mandrel to an end of the major axis of the mandrel in the section perpendicular to the rotational central axis of the mandrel.. .
|Cylindrical secondary battery of improved safety|
Disclosed herein is a secondary battery having a jelly roll type electrode assembly (‘jelly roll’) of a cathode/separator/anode structure mounted in a battery container, wherein a seal tape is attached to an outer side of the jelly roll including a wound end of the jelly roll, and the seal tape reacts with an electrolyte with the result that the seal tape is gelled.. .
|Energy generation system and related uses thereof|
A self contained energy generating system that comprises a galvanic battery and a power distribution system. The energy generating system is used to purify water by using a reverse osmosis device that draws in a source of water and transfers electrolytes to the galvanic battery.
|Method and apparatus for a small power source for an implantable device|
An example includes apparatus including a non-thin-film battery, that can include an implantable housing, electronics disposed in the implantable housing, and a battery disposed in the implantable housing, the battery comprising: a plurality of cells electrically connected to one another, with at least one cell including a stack including at least one substantially planar anode having a thickness greater than 1 micrometer and at least one substantially planar cathode having a thickness greater than 1 micrometer, and a cell housing enclosing the stack of substantially planar anodes and cathodes and displacing less than approximately 0.024 cubic centimeters, wherein the plurality of cells are interconnected in at least one of series and parallel, and terminals interconnecting the battery and the electronics.. .
|Lithium-manganese-tin oxide cathode active material and lithium secondary cell using the same|
A cathode thin film for a lithium secondary cell, which uses a cathode active material substituting sn for mn in lithium manganese oxide, has a high discharge capacity and an improved cycle property.. .
|Cathode for fuel cell having two kinds of water-repellency and method of preparing the same and membrane electrode assembly and fuel cell comprising same|
A cathode for a fuel cell includes a gas diffusion layer contacting with a separator having a channel and a catalyst layer interposed between the gas diffusion layer and an electrolyte membrane. The catalyst layer of the cathode has two portions with different water-repelling properties, and a portion of the catalyst layer that does not face a channel has a higher water-repelling property than a portion that faces a channel.
|Production process for a stabilized aqueous solution of oxidizing chlorine and a stabilized aqueous solution of oxidizing chlorine produced in this manner|
A process is described for the preparation of a stabilized aqueous solution of oxidizing chlorine (anolyte). The process comprises electrolysis of an aqueous solution of sodium chloride or potassium chloride in an electrolytic cell having at least one anode compartment and one cathode compartment separated by a semi-permeable membrane to obtain an anolyte solution in the anode compartment and a catholyte solution in the cathode compartment, and the addition to the anolyte solution produced in this way of a stabilizing agent selected from the group consisting of hydrochloric acid (hcl) of 50 to 250 mg/l, sulphuric acid (h2so4) of 50 to 350 mg/l, phosphoric acid (h3po4) of 50 to 500 mg/l, periodic acid (hio4) of 100 to 1000 mg/l, sodium chloride (nacl) from 1 to 30 g/l, or any combination thereof.
|Method of improving electromechanical integrity of cathode coating to cathode termination interfaces in solid electrolytic capacitors|
A solid electrolytic capacitor is described which comprises an anode, a dielectric on the anode and a cathode on the dielectric. A conductive coating is on the cathode wherein the conductive layer comprises an exterior surface of a first high melting point metal.
|Dual-mode display device and method of manufacturing same|
Provided are a dual-mode display device and a method of manufacturing the same. The device includes a lower substrate, an upper substrate facing the lower substrate, a thin-film transistor portion between the upper substrate and the lower substrate, a first anode on one side of the thin-film transistor portion, a first cathode between the first anode and the upper substrate, an organic light-emitting layer between the first cathode and the first anode, a second anode on the other side of the thin-film transistor portion, a second cathode between the second anode and the upper substrate, or the second anode and the lower substrate, and a optical switching layer between the second cathode and the second anode..
|Illumination device, display device, and television reception device|
An illumination device according to the present invention is provided with: a chassis (14); a cold-cathode tube (17); an optical member (15); a clamping member (30) that is provided at an aperture edge (14b) of the chassis (14), has a supporting section (36) and a frame (16), and moves together with the deformation of the chassis (14); and a buffer part (31) that is disposed between the optical member (15) and the frame (16), wherein the buffer part (31) is provided with a plurality of mountain-shaped protrusions (32) arrayed in parallel in the peripheral direction of the aperture edge (14b) and having a mountain shape in a cross section and a rectangular shape in a plan view, the mountain-shaped protrusion having top parts thereof contacting the optical member (15), and wherein, in the mountain-shaped protrusions (32), of the two inclined surfaces constituting each mountain-shaped protrusion (32) in a cross-sectional view, a first inclination angle (θ1) formed by the optical member (15) and a first inclined surface (34) oriented towards an edge of the chassis (14) is greater than a second inclination angle (θ2) formed by the optical member (15) and a second inclined surface (33) oriented towards the center of the chassis (14).. .
|Polarity detection circuit|
The polarity detection circuit includes a first diode with anode receiving a first phase of the ac power supply voltage and a second diode with anode receiving a second phase, opposite the first phase. The detection circuit further includes a constant-voltage power supply outputting a positive constant voltage.
|Device for recovering electric energy in ac motor-driven electric vehicle|
A device for recovering electric energy in an ac motor-driven electric vehicle. The device includes a battery, a single-phase or three-phase inverter, a single-phase or three-phase inductor, an ac motor, a rectifier bridge or a second inverter, and a charger.
|Short arc discharge lamp|
Disclosed herein is a short arc discharge lamp which has a cathode electrode structure formed by solid-phase bonding a tip part made of thoriated tungsten to a body part made of tungsten. According to the present invention, the bonding strength between the body part and the tip part is increased to the same level as the mechanical strength of tungsten, thus preventing a breakage from being caused on a junction interface.
|Carbon nanotube field emission device with height variation control|
A carbon nanotube layer for a field emission cathode where individual carbon nanotubes or small groups of carbon nanotubes that stick out from the surface more than the rest of the layer are avoided. Electron fields will concentrate on these sharp points, creating an enhanced image on the phosphor, resulting in a more luminous spot than the surroundings.
|Silicon controlled rectifier with stress-enhanced adjustable trigger voltage|
Device structures, fabrication methods, operating methods, and design structures for a silicon controlled rectifier. The method includes applying a mechanical stress to a region of a silicon controlled rectifier (scr) at a level sufficient to modulate a trigger current of the scr.
|Semiconductor device and method for manufacturing same|
In the present invention, the semiconductor device includes an n+-type gan substrate 1 having a gan layer that is in ohmic contact with a supporting substrate, a fet having an n−-type gan drift layer 2 in a first region r1, and an sbd having an anode electrode in a second region r2, the anode electrode being in schottky contact with the n−-type gan drift layer 2. The fet and the sbd are arranged in parallel.
|El display device and method for manufacturing the same|
A plurality of pixels are arranged on the substrate. Each of the pixels is provided with an el element which utilizes as a cathode a pixel electrode connected to a current control tft.
|Organic el element|
Provided is an organic el element which withstands mass production of organic el display panels, and promises driving at a low voltage and high luminous efficiency due to excellent hole-injection efficiency. Specifically, an organic el element is formed by sequentially laminating an anode, a hole injection layer, a buffer layer, a light-emitting layer, and a cathode on one surface of a substrate.
|Anthracene derivative and organic electroluminescence device using the same|
Provided are a novel anthracene derivative of a specific structure in which benzofuran or benzothiophene is bonded to anthracene through an arylene group, a material for an organic electroluminescence device and a light emitting material for an organic electroluminescence device each containing the anthracene derivative, and an organic electroluminescence device including an organic thin film layer formed of one or plural layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the anthracene derivative alone or as a component of a mixture. The organic electroluminescence device has high luminous efficiency and is capable of emitting light with a long lifetime, and the device can be realized by the anthracene derivative..
|Organic electroluminescent element|
Disclosed is an organic electroluminescent element which is excellent with respect to luminous efficiency and driving voltage and rarely undergoes initial luminance drop. Specifically disclosed is an organic electroluminescent element which comprises, on a substrate, a pair of electrodes composed of an anode and a cathode and a light-emitting layer arranged between the electrodes, and additionally comprises at least one organic layer arranged between the light-emitting layer and the cathode, where in the light-emitting layer contains, for example, a compound (a-1), and the at least one layer arranged between the light-emitting layer and the cathode contains, for example, a compound (e-4)..
|Method of fabricating lifepo4 cathode electroactive material by recycling, and lifepo4 cathode electroactive material, lifepo4 cathode, and lithium secondary battery fabricated thereby|
The present invention relates to a method for fabricating a lifepo4 cathode electroactive material for a lithium secondary battery by recycling, and a lifepo4 cathode electroactive material for a lithium secondary battery, a lifepo4 cathode, and a lithium secondary battery fabricated thereby. The present invention is characterized in that a cathode scrap is heat treated in air for a cathode electroactive material to be easily dissolved in an acidic solution, and amorphous fepo4 obtained as precipitate is heat treated in an atmosphere of air or hydrogen so as to fabricate crystalline fepo4 or fe2p2o7.
|Cathode active material and lithium secondary battery comprising the same|
A′ is at least one monovalent or bivalent anion.. .
|Electrolysis method and electrolytic cells|
An electrolysis method for electrolytic cells having an electrode-membrane-electrode assembly includes two porous electrode having a porous membrane located therebetween and filled with electrolyte or having an ion exchange membrane located therebetween, one or more liquids being led directly into the membrane of the electrode-membrane-electrode assembly. The one or more liquids are guided in a channel structure arranged in the membrane.
|Method of fabricating thin film electrodes including metal tubes filled with active material|
A thin film electrode is fabricated from a non-metallic, non-conductive porous support structure having pores with micrometer-range diameters. The support may include a polymer film.
|Self-test for analgesic product|
Electrotransport drug delivery devices, system and methods of using configured to determine if a current is present between the anode and cathode when drug is not intended to be delivered by the device. These devices/systems may include an off-current module to determine that any current (e.g., which may be inferred by measuring potential difference between the anode and cathode of the device) flowing between the anode and cathode is below a threshold value when the device is not supposed to be delivering drug, thereby preventing unintended delivery of drug and/or alerting a user that unintended delivery of drug may occur..
An air battery having a main body including a container package member, an electrolytic solution contained in the container package member, a cathode having a cathode catalyst that is in contact with the electrolytic solution, and an anode that is in contact with the electrolytic solution; a tank storing the electrolytic solution; a pump circulating the electrolytic solution between the main body and the tank; an oxygen intake incorporating oxygen into the electrolytic solution in the way of circulation of the electrolytic solution; and a pipe arrangement connecting the tank, the pump, the oxygen intake and the main body so that the electrolytic solution circulates in the order thus named, wherein the oxygen intake has an oxygen selective permeable membrane.. .
|Dual-layer structured cathod and electrochemical cell|
The present invention relates to dual-layered structured sulfur cathodes comprising (a) an electroactive layer and (b) a non-electroactive conductive layer, wherein the non-electroactive conductive layer adsorbs soluble polysulfides and provides reaction sites for the reduction of polysulfides. The present invention also relates to method of making dual-layered structured sulfur cathodes and electrochemical cells..
|Secondary battery including electrolyte additive|
Disclosed is a secondary battery including a cathode, an anode, and an electrolyte including a lithium salt and a non-aqueous organic solvent, wherein the electrolyte includes an electrolyte additive to be decomposed at 4.5 v or higher to less than 5.5 v vs. Reduction voltage of li+..
|Rechargeable lithium cell having a phthalocyanine-based high-capacity cathode|
A rechargeable lithium cell comprising: (a) an anode; (b) a cathode comprising a hybrid cathode active material composed of a graphene material and a phthalocyanine compound, wherein the graphene material is in an amount of from 0.1% to 99% by weight based on the total weight of the graphene material and the phthalocyanine compound combined; and (c) a porous separator disposed between the anode and the cathode and electrolyte in ionic contact with the anode and the cathode. This secondary cell exhibits a long cycle life and the best cathode specific capacity and best cell-level specific energy of all rechargeable lithium-ion cells ever reported..
|Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereof|
A magnetron sputtering coating device includes a deposition chamber, sputtering cathodes, a rotating stand within the deposition chamber, a support platform on the rotating stand, a first rotation system for driving the rotating stand to rotate around a central axis of the rotating stand, and a baffle fixed on the rotating stand. The sputtering cathodes are arranged around and perpendicular to the rotating stand..
|Laser diode driver circuit|
A laser diode drive circuit includes a laser diode (ld), a modulation-current differential drive circuit, a bias-current differential drive circuit, a first inductance connected between an anode of the ld and a positive power source, a second inductance connected between a cathode of the ld and a negative-phase output terminal of the bias-current differential drive circuit, a first resistor connected to a connection point of the anode of the ld and the first inductance and connected to a negative-phase output terminal of the modulation-current differential drive circuit, and a second resistor connected to a connection point of the cathode of the ld and the second inductance and connected to a positive-phase output terminal of the modulation-current differential drive circuit, and a positive-phase output terminal of the bias-current differential drive circuit is connected to the connection point.. .
|Device for recovering electric energy in dc motor-driven electric vehicle|
A device for recovering electric energy in a dc motor-driven electric vehicle. The device includes a battery; a first inverter; an inductor; a first rectifier bridge or a second inverter; a dc motor; a second rectifier bridge or a third inverter; and a charger.
|Substrate diode formed by angled ion implantation processes|
A substrate diode device having an anode and a cathode includes a doped well positioned in a bulk layer of an soi substrate. A first doped region is positioned in the doped well, the first doped region being for one of the anode or the cathode, the first doped region having a first long axis and a second doped region positioned in the doped well.
|Electronic device comprising rf-ldmos transistor having improved ruggedness|
The invention relates to an electronic device comprising an rf-ldmos transistor (1) and a protection circuit (2) for the rf-ldmos transistor. The protection circuit (2) comprises: i) an input terminal (ni) coupled to a drain terminal (drn) of the rf-ldmos transistor (1); ii) a clipping node (nc); iii) a clipping circuit (3) coupled to the clipping node (nc) for substantially keeping the voltage on the clipping node (nc) below a predefined reference voltage, wherein the predefined reference voltage is designed to be larger than the operation voltage on the drain terminal (drn) and lower than a trigger voltage of a parasitic bipolar transistor (100) that is inherently present in the rf-ldmos transistor; iv) a capacitance (ct) coupled between the clipping node (nc) and a further reference voltage terminal (gnd), and v) a rectifying element (d1, d2) connected with its anode terminal to the input terminal (ni) and with its cathode terminal to the clipping node (nc).
|Electro-optical device and electronic apparatus|
An electro-optical device includes a reflective layer, a light emitting element including a light emitting layer formed between an anode and a cathode, and a driving transistor configured to control a current flowing through the light emitting element. In the same layer as the reflective layer, a relay electrode included in a current path from the driving transistor to the anode is formed with a gap between the relay electrode and the reflective layer.