41st week of 2020 patent applcation highlights part 66 |
Patent application number | Title | Published |
20200321603 | METHODS FOR MANUFACTURING ELECTRODES INCLUDING FLUOROPOLYMER-BASED SOLID ELECTROLYTE INTERFACE LAYERS - Methods for manufacturing electrodes include applying a fluoropolymer film to a lithium-based host material, defluorinating the fluoropolymer film by heating to produce a lithium electrode having a solid electrolyte interface (SEI) layer including defluorinated fluoropolymers and at least about 5 wt. % LiF. The fluoropolymers can include one or more of fluorinated ethylenepropylene, perfluoroalkoxy alkanes, vinylidenefluoride, and copolymers of perfluoromethylvinylether and tetrafluoroethylene. The fluoropolymers can include one or more fluorinated monomers, including hexafluoropropylene, tetrafluoroethylene, ethylene-tetrafluoroethylene, perfluoroethers, and vinylidene fluoride. The —CF | 2020-10-08 |
20200321604 | SINTERED ELECTRODE CELLS FOR HIGH ENERGY DENSITY BATTERIES AND RELATED METHODS THEREOF - An electrochemical device that includes an anode electrode having sintered active material, in electronic communication with an anode current collector. The device includes a cathode electrode having sintered active material, in electronic communication with a cathode current collector. The device also includes a separator located between the anode electrode and the cathode electrode, and further includes an electrolyte in ionic contact with the anode electrode, cathode electrode, and separator, thereby filling porous spaces within the anode electrode and cathode electrode. The electrochemical device provides for the ability of increasing the energy density at the electrode and cell level and provides for reducing the size and weight of battery cells and packs. Such energy density improvements can be accomplished through increasing active material density in electrodes by decreasing porosity and removing inactive additives, as well as by using thicker electrodes that reduce the relative fraction of separators and current collectors in the cell. | 2020-10-08 |
20200321605 | SECONDARY BATTERY - A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is provided. The secondary battery includes a negative electrode including a current collector and graphite provided over the current collector, and a positive electrode. The graphite includes a plurality of graphene layers. Surfaces of the plurality of graphene layers are provided substantially along the direction of an electric field generated between the positive electrode and the negative electrode. | 2020-10-08 |
20200321606 | METHOD FOR REMOVING LITHIUM HYDRIDE FACETED DEFECTS FROM LITHIUM METAL FOIL - In this disclosure, we describe a new chemical treatment that can be performed on lithium metal and lithium alloy surfaces to selectively remove LiH defects. This treatment utilizes an exclusive reaction between LiH and trialkyl borane to form lithium borohydride complexes, which can be easily washed away from surface using an inert organic solvent. This treatment can be useful for lithium metal and lithium alloy anodes for high energy batteries. | 2020-10-08 |
20200321607 | METHOD OF MANUFACTURING COMPOSITE ANODE MATERIAL AND COMPOSITE ANODE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a method of manufacturing a composite anode material for a lithium secondary battery containing nano-sized silicon and a carbonaceous material through a single process, the method including mixing a carbonaceous material and solid silicon and performing carbothermal shock for rapidly heating the carbonaceous material so that the solid silicon is melted using the heated carbonaceous material and is dispersed and attached in the form of particles to the surface of the carbonaceous material, the size of the silicon particles, which grow on the surface of the carbonaceous material, being adjusted during the carbothermal shock. Accordingly, processing costs can be lower than conventional methods of manufacturing silicon nanoparticles, and manufacturing costs can be further reduced by simultaneously performing formation of the silicon nanoparticles and compounding with the carbonaceous material. | 2020-10-08 |
20200321608 | Immobilized Chalcogen and Use Thereof in a Rechargeable Battery - An immobilized chalcogen system or body includes a mixture or combination of chalcogen and carbon. The carbon can be in the form of a carbon skeleton. The chalcogen can include oxygen, sulfur, selenium, or tellurium, or a combination of any two or more of oxygen, sulfur, selenium, and tellurium. The activation energy for chalcogen to escape the immobilized chalcogen system or body is ≥96 kJ/mole. | 2020-10-08 |
20200321609 | BATTERY - A lithium ion battery comprising a negative electrode and an electrolyte, whereby the negative electrode comprises composite particles, whereby the composite particles comprise silicon-based domains, whereby the composite particles comprise a matrix material in which the silicon-based domains are embedded, whereby the composite particles and the electrolyte have an interface, whereby at this interface there is a SEI layer, characterized in that the SEI layer comprises one or more compounds having carbon-carbon chemical bonds and the SEI layer comprises one or more compounds having carbon-oxygen chemical bonds, whereby a ratio, defined as the area of a first peak divided by the area of a second peak, is at least 1.30, whereby the first peak and second peak are peaks in an X-ray photoelectron spectroscopy measurement of the SEI, whereby the first peak represents C—C chemical bonds and whereby the second peak represents C—O chemical bonds. | 2020-10-08 |
20200321610 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING THE SAME - The present invention relates to a positive electrode active material for a lithium secondary battery, which includes two types of layered structure materials and may improve properties by controlling an optimum cation (lithium and transition metals) distribution capable of increasing activity of oxygen ions, as anions, in the layered structure materials, and a method of preparing the same. | 2020-10-08 |
20200321611 | NEGATIVE ELECTRODE ACTIVE SUBSTANCE FOR SECONDARY BATTERY, AND SECONDARY BATTERY - A negative electrode active substance particle according to one embodiment of the present invention, comprises a mother particle that has: a silicate phase that includes Na, Si, and at least one element selected from M, M | 2020-10-08 |
20200321612 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY - The present invention provides a negative electrode for a lithium secondary battery, which includes a negative electrode current collector; and a negative electrode active material layer which is formed on the negative electrode current collector and includes a negative electrode active material including a silicon-based material, wherein the negative electrode active material includes lithium intercalated by pre-lithiation, and the extent of pre-lithiation of the negative electrode active material, calculated by a specific equation, is 5 to 50%. | 2020-10-08 |
20200321613 | ELECTROCHEMICAL STORAGE INCORPORATING SIZE- AND MORPHOLOGY-CONTROLLED METASTABLE VANADIUM PENTOXIDE AS A CATHODE MATERIAL FOR ION BATTERIES - The Li-ion paradigm of battery technology is fundamentally constrained by the monovalency of the Li-ion. A straightforward solution is to transition to multivalent ion chemistries, with Mg | 2020-10-08 |
20200321614 | SYNTHESIS OF A METASTABLE VANADIUM PENTOXIDE AS A CATHODE MATERIAL FOR ION BATTERIES - A highly scalable process has been developed for stabilizing large quantities of the zeta-polymorph of V | 2020-10-08 |
20200321615 | Lithium Secondary Battery - A lithium secondary battery is disclosed herein. In some embodiments, a lithium battery includes a positive electrode having a lithium-nickel-cobalt-manganese-based electrode active material wherein nickel has a content of 80 mol % or greater, relative to the other transition metals, a negative electrode including a silicon-based negative electrode active material, a separator, and a non-aqueous electrolyte solution including a non-aqueous organic solvent and a lithium salt, the lithium salt being contained in a concentration of 1.8 M to 5 M, and wherein the lithium salt includes LiPF | 2020-10-08 |
20200321616 | ELECTRODE AND FABRICATION METHOD, ELECTRODE ELEMENT AND NONAQUEOUS ELECTROLYTIC STORAGE ELEMENT - A disclosed electrode includes an electrode base; an electrode mixture layer containing an active material and formed on the electrode base; and a porous insulating layer formed on the electrode mixture layer, where the porous insulating layer contains a resin as a main component, and at least a part of the porous insulating layer is present inside the electrode mixture layer. | 2020-10-08 |
20200321617 | ELECTRODES INCLUDING FLUOROPOLYMER-BASED SOLID ELECTROLYTE INTERFACE LAYERS AND BATTERIES AND VEHICLES UTILIZING THE SAME - Electrodes include a lithium-based host material with a solid electrolyte interface (SEI) layer including a polymer matrix including fluoropolymers, and LiF imbedded within the matrix. The SEI layer comprises about 5 wt. % to about 75 wt. % LiF. The LiF can be present within the polymer matrix as nanocrystals with an average diameter of about 5-500 nm. The one or more fluoropolymers can include and/or are the defluorination products of one or more of fluorinated ethylene propylene, perfluoroalkoxy alkanes, vinylidenefluoride, and copolymers of perfluoromethylvinylether and tetrafluoroethylene. The —CF | 2020-10-08 |
20200321618 | FLEXIBLE BATTERY - The present invention pertains to a flexible electrode, to a process for the manufacture of said flexible electrode and to uses of said flexible electrode in electrochemical devices, in particular in secondary batteries. | 2020-10-08 |
20200321619 | FLEXIBLE ENERGY STORAGE DEVICES - The invention discloses a flexible energy storage device that is primarily a Li-ion battery or a supercapacitor. The flexible device comprises a cathode and an anode, where layers of an electrode material, a polymer electrolyte, and a packaging material are coated with pattern on a metal mesh current collector. The cathodes and anodes are aligned and laminated, forming flexible energy storage devices. The composite structures of the device and the pattern of the materials coatings on metal mesh impart flexibility and foldability to the energy storage device. | 2020-10-08 |
20200321620 | Metal-Supported Electrochemical Element, Solid Oxide Fuel Cell and Method of Manufacturing Such Metal-Supported Electrochemical Element - Realized is an element having an electrolyte layer that is dense and has high gas barrier characteristics. A metal-supported electrochemical element includes at least a metal substrate as a support, an electrode layer formed on/over the metal substrate, a buffer layer formed on the electrode layer, and an electrolyte layer formed on the buffer layer. The electrode layer is porous and the electrolyte layer is dense. The buffer layer has density higher than density of the electrode layer and lower than density of the electrolyte layer. | 2020-10-08 |
20200321621 | pH-UNIVERSAL AQUEOUS RECHARGEABLE HYDROGEN BATTERIES - Described are aqueous rechargeable hydrogen batteries operating in the full pH range (e.g., pH: −1 to 15) with potential for electrical grid storage. The pH-universal hydrogen batteries operate with different redox chemistry on the cathodes and reversible hydrogen evolution/oxidation reactions (HER/HOR) on the anode. The reactions can be catalyzed by a highly active ruthenium-based electrocatalyst. The ruthenium-based catalysts exhibit comparable specific activity and superior long-term stability of HER/HOR to that of state-of-the-art Pt/C electrocatalyst in the full pH range. New chemistries for aqueous rechargeable hydrogen batteries are also provided. | 2020-10-08 |
20200321622 | CATALYST - An electrocatalyst material comprising: (i) a support material comprising a plurality of individual support particles or aggregates; (ii) first particles comprising a first metal and an alloying metal; and (iii) second particles consisting of a second metal or a second metal oxide, wherein the second metal is platinum or iridium; wherein each individual support particle or aggregate has dispersed thereon first particles and second particles, characterised in that the mean average particle size of the second particles is smaller than the mean average particle size of the first particles is disclosed. The electrocatalyst material has particular use in an electrode, such as the cathode, of an electrochemical cell, such as a fuel cell. | 2020-10-08 |
20200321623 | METHOD FOR MANUFACTURING SOLID OXIDE CELL HAVING THREE-DIMENSIONAL CERAMIC COMPOSITE INTERFACE STRUCTURE - The present invention presents a method for manufacturing a negative electrode of a solid oxide cell in a three-dimensional structure by using a pressurization process. In addition, the present invention proposes a structure in which the entire interface of a solid oxide cell is manufactured on the manufactured three-dimensional negative electrode substrate, through various deposition methods, in a three-dimensional structure so as to maximize a reaction area. | 2020-10-08 |
20200321624 | EXOTHERMICALLY RESPONSIVE CATHODES AND METHODS OF PRODUCTION THEREOF - A method of producing electrodes includes selecting a palladium alloy, annealing the palladium alloy at a first temperature above 350° C., cold working the palladium alloy into a desired electrode shape, and annealing the palladium alloy at a second temperatures and for a time sufficient to produce a grain size between about 5 microns and about 100 microns. The method further includes etching the palladium alloy, rinsing the palladium alloy with at least one of water and heavy water, and storing the palladium alloy in an inert environment. | 2020-10-08 |
20200321625 | METHOD OF MANUFACTURING ELECTROLYTE MEMBRANE FOR FUEL CELL AND ELECTROLYTE MEMBRANE MANUFACTURED THEREBY - Disclosed is a method of manufacturing an electrolyte membrane including an antioxidant. The method may include forming a first dispersion liquid including deionized water, a first ionomer dispersion solution and an antioxidant, and forming a second dispersion liquid including the first dispersion liquid and a second ionomer dispersion solution. | 2020-10-08 |
20200321626 | COAXIAL NANOWIRE ELECTRODE - A polymer electrolyte fuel cell (PEFC), comprises a first electrode and a second electrode, wherein the first electrode includes a coaxial nanowire electrode. In some embodiments, the coaxial nanowire electrode comprises a plurality of ionomer nanowires, and a catalyst coating that coats at least part of the ionomer nanowires. Moreover, in some embodiments, a nanowire of the plurality of ionomer nanowires and a section of the catalyst coating that coats the nanowire form two coaxial cylinders. | 2020-10-08 |
20200321627 | ELECTROCHEMICAL CELL - An electrochemical cell includes a fuel electrode, an air electrode containing a perovskite type oxide as a main component, the perovskite type oxide being represented by a general formula ABO | 2020-10-08 |
20200321628 | ELECTROCHEMICAL CELL - An electrochemical cell includes a fuel electrode, an air electrode containing a perovskite type oxide as a main component, the perovskite type oxide being represented by a general formula ABO | 2020-10-08 |
20200321629 | ELECTRODE CATALYST FOR FUEL CELL AND METHOD OF PRODUCING THE SAME, AND CATHODE, ANODE, AND FUEL CELL INCLUDING ELECTRODE CATALYST - An electrode catalyst for a fuel cell including: a carbon support; and catalytic metal supported on the carbon support, the catalytic metal being selected from platinum or a platinum alloy, in which the carbon support has a crystallite size of (002) plane of carbon within a range of 5.0 nm or more and has a specific surface area within a range of 95 m | 2020-10-08 |
20200321630 | DROPLET-IMPINGEMENT, FLOW-ASSISTED ELECTRO-FENTON PURIFICATION USING HETEROGENEOUS SILICA/IRON NANOCOMPOSITE CATALYST - A droplet-impingement, flow-assisted electro-Fenton (DFEF) catalyst, system, and method can degrade to trace level organic materials, such as β-blockers in water. A silica/carbon-x % iron composite (RHS/C-x % Fe) can be made, e.g., from rice husks and iron ions into heterogeneous catalysts of varied iron content. The DFEF approach can improve oxygen saturation, mass transfer of β-blockers at the cathode, and continuous electrogeneration of hydroxyl radicals (.OH) in solution and at boron-doped anode surfaces. A central composite design (CCD) can reduce costs and increase efficiency. Beta-blockers can be completely degraded within 15 minutes, following pseudo first-order kinetics with rate constants of 0.19 to 2.72×10 | 2020-10-08 |
20200321631 | ACTIVATABLE BATTERY, ELECTRONIC IGNITER, PROCESS FOR PRODUCING AN ACTIVATABLE BATTERY AND METHOD OF USING AN UNSUPPORTED FILM IN A BATTERY - An activatable battery includes at least one cathode, at least one anode, at least one absorptive separator layer in contact with the anode and the cathode and a liquid electrolyte separated therefrom and provided in an apparatus which liberates the electrolyte in order to activate the battery in such a way that it comes into contact with the separator layer and penetrates through the latter at least to such an extent that the electrolyte electrically connects the anode and the cathode to one another. The anode is formed of lithium or a lithium-containing alloy and the cathode includes elemental carbon and is formed of an unsupported film including carbon nanotubes or of a film formed of carbon nanotubes. An electronic igniter, a process for producing an activatable battery and a method of using a film in a battery are also provided. | 2020-10-08 |
20200321632 | METHOD OF MANUFACTURING A FUEL CELL MODULE - A cell monitor connector is inserted with a first surface following a guide portion. When the cell monitor connector is further inserted, the cell monitor connector makes contact with a projection portion. In a state where the attachment is completed, the projection portion is elastically deformed so as to press a second surface. Due to this force, the cell monitor connector is held such that it is sandwiched between the projection portion and the guide portion. | 2020-10-08 |
20200321633 | COMPOSITE MEMBRANE, METHOD OF PREPARING THE COMPOSITE MEMBRANE, AND LITHIUM AIR BATTERY INCLUDING THE COMPOSITE MEMBRANE - A composite membrane includes an ion-conductive polymer layer; and a plurality of gas blocking inorganic particles non-continuously aligned on the ion-conductive polymer layer, wherein the composite membrane has a radius of curvature of about 10 millimeters or less. | 2020-10-08 |
20200321634 | CURABLE RESIN COMPOSITION, AND FUEL CELL AND SEALING METHOD USING THE SAME - The present invention aims to provide a curable resin composition which has low viscosity as well as properties such as high elongation property, high tensile strength, and hydrogen gas barrier property. A curable resin composition includes the following ingredients (A) to (D): ingredient (A): a vinyl polymer having one or more alkenyl groups in one molecule; ingredient (B): a compound having one or more hydrosilyl groups in one molecule; ingredient (C): a hydrosilylation catalyst; ingredient (D): a polyfunctional vinyl ether compound. | 2020-10-08 |
20200321635 | GASKET HANDLING METHOD - A gasket handling method is provided of suctioning a gasket main body with a suction jig to separate the gasket main body from a carrier film. The gasket handling method separates a gasket main body from a carrier film in a gasket including a combination of the gasket main body and the carrier film adhered thereto, where a suction jig is used to separate the carrier film and the gasket main body; the suction jig includes a suction surface at a position facing the carrier film; the suction surface being formed with a suction groove having a shape that corresponds with a planar shape of the gasket main body, the suction groove being formed with a plurality of suction paths across the entire periphery; and the gasket main body is suctioned to the suction groove with the suction force from the suction paths in the suction jig and separated from the carrier film. | 2020-10-08 |
20200321636 | COOLANT PURIFICATION - A fuel cell system comprising a fuel cell stack is disclosed. An ozone generator is configured to introduce ozone into a coolant in the fuel cell system. A deionisation apparatus is coupled to the fuel cell stack. A bypass conduit is arranged in parallel with the deionisation apparatus. A controller is configured to control flow of the coolant to the fuel cell stack through either the deionisation apparatus or the bypass conduit based on the operating state of the ozone generator. | 2020-10-08 |
20200321637 | FUEL CELL SYSTEM - A fuel cell system includes a fuel cell generating electric power by a reaction between a fuel gas and an oxidant gas, an injector supplying the fuel gas to the fuel cell, a discharge line in which an off-gas discharged from the fuel cell flows, an ejector recirculating the off-gas flowing in the discharge line to the fuel cell using a flow of the fuel gas from the injector, a discharge valve discharging the off-gas flowing in the discharge line to the outside, and a control device controlling supply of the fuel gas by the injector and opening and closing of the discharge valve. When supply of the fuel gas by the injector is stopped, the control device opens the discharge valve while the off-gas is recirculated to the fuel cell and closes the discharge valve before supply of the fuel gas by the injector is restarted. | 2020-10-08 |
20200321638 | FUEL CELL HAVING A VARIABLE WATER PERMEABILITY - The invention relates to a fuel cell ( | 2020-10-08 |
20200321639 | CASCADING STACK ELECTROCHEMICAL FUEL CELL - A fuel cell comprising a series of cascaded cell stacks comprising at least one humidifier-degasser coupled to the cell stacks proximate a stack inlet; the at least one humidifier-degasser comprising at least one degasification section fluidly coupled upstream of at least one humidifier section; and at least one inert concentrator cell coupled downstream from the cell stacks proximate a stack vent. | 2020-10-08 |
20200321640 | METHODS AND APPARATUS FOR DECOUPLING REACTANT ACTIVATION AND REACTION COMPLETION - Methods and apparatus for decoupling reactant activation and reaction completion. Various embodiments of the present disclosure leverage electrodynamic inversion principles to provide fuel cell-like operation. In one exemplary embodiment a fuel cell-like apparatus is configured to: create reactant ions (e.g., fuel ions, oxidant ions, etc.) in isolation, transport the reactant ions to a reaction interface, enable a chemical reaction, harvest the resulting electrical current, and eliminate the exhaust products. The exemplary fuel cell-like device decouples the reactants from directly powering the load. Notably, the redox reaction is allowed to proceed at a reaction interface rather than directly at the anode and cathode. | 2020-10-08 |
20200321641 | DEGRADATION-CONSCIOUS CONTROL FOR PEM FUEL CELLS - A linear time varying model predictive control (LTV-MPC) framework is developed for degradation-conscious control of automotive polymer electrolyte membrane (PEM) fuel cell systems. A reduced-order nonlinear model of the entire system is derived first. This nonlinear model is then successively linearized about the current operating point to obtain a linear model. The linear model is utilized to formulate the control problem using a rate-based MPC formulation. The controller objective is to ensure offset-free tracking of the power demand, while maximizing the overall system efficiency and enhancing its durability. To this end, the fuel consumption and the power loss due to auxiliary equipment are minimized. Moreover, the internal states of the fuel cell stack are constrained to avoid harmful conditions that are known stressors of the fuel cell components. | 2020-10-08 |
20200321642 | PHYTIC ACID BASED METALLOGEL AND APPLICATIONS THEREOF - The present Invention to provide a highly proton conducting metal organic material constituting of phosphate ester based ligand immobilized via gelation with Fe | 2020-10-08 |
20200321643 | JOHNSON THERMO-ELECTROCHEMICAL CONVERTER - A converter includes a working fluid, a housing, a heat sink, a heat source that is at an elevated temperature relative to the heat sink, a first electrochemical cell disposed within the housing, and a micro/nano porous media disposed within the housing. The first electrochemical cell includes a first membrane electrode assembly across which the working fluid is configured to flow. The first membrane electrode assembly includes a first porous electrode and a second porous electrode and at least one ion conductive membrane sandwiched between the first and second porous electrodes. The first electrochemical cell is arranged between the heat source and the heat sink. The working fluid is contained within the micro/nano porous media. The micro/nano porous media is thermally coupled between the heat source and the heat sink, and creates a pressure differential across the first electrochemical cell by transpiration pumping of the working fluid. | 2020-10-08 |
20200321644 | CATALYTIC ELECTROCHEMICAL INERT GAS AND POWER GENERATING SYSTEM AND METHOD - A system produces inert gas and generates electrical power with an electrochemical cell with an anode and a cathode separated by a proton transfer medium separator. The anode includes an oxygen evolution reaction catalyst and a hydrogen oxidation reaction catalyst, and the system is operated in alternate modes: a first mode in which water is electrolyzed at the anode with an oxygen evolution reaction catalyst to form protons and oxygen, the protons are transported across the separator to the cathode and reacted with oxygen at the cathode, and an inerting gas depleted of oxygen is discharged from the cathode; and a second mode in which protons and electrons are produced from a fuel at the anode with a hydrogen oxidation reaction catalyst, protons are transported across the separator to the cathode, and electrons are transported to the cathode through an electrical circuit to produce electrical power. | 2020-10-08 |
20200321645 | FUEL CELL SYSTEM - A fuel cell system includes a stack case and an auxiliary device case. The stack case stores a stack including a power generation cell stack body including a plurality of power generation cells stacked horizontally in a stacking direction, and an insulating plate stacked at an end of the power generation cell stack body in the stacking direction. The auxiliary device case stores a fuel cell auxiliary device. The inside of the stack case and the inside of the auxiliary device case that are adjacent to each other in the stacking direction are separated by a partition wall. The partition wall has ventilation connection ports. The ventilation connection ports connect the inside of the stack case with the inside of the auxiliary device case. The insulating plate provided closer to the partition wall, than the power generation cell stack body, inside the stack case faces the ventilation connection ports. | 2020-10-08 |
20200321646 | FUEL CELL SYSTEM - In a fuel cell system, a stack case which stores a stack body of power generation cells and an auxiliary device case are separated by a partition wall. An outer periphery of at least one end fluid passage provided at least at the uppermost position, among the fluid passages of the stack body, has an adjacent outer peripheral portion provided adjacent to an outer marginal portion of the stack body. The partition wall includes a facing portion. The facing portion faces an area that lies between the adjacent outer peripheral portion and the stack case and outside the outer marginal portion. At least part of a ventilation connection port configured to connect the inside of the stack case with the inside of the auxiliary device case is provided in the facing portion. The ventilation connection port has a curved shape formed along the adjacent outer peripheral portion. | 2020-10-08 |
20200321647 | NEW ASSEMBLY METHOD TO INSTALL SHEET MATERIAL - A method of applying sheet material onto a plate or a surface, such as a cooling plate for use with a battery, is disclosed. The method comprises the steps of: providing a cylinder roller configured to selectively adhere a sheet material to an outer surface thereof, picking the sheet from a substrate by rotating the cylinder roller relative to the substrate, and placing the sheet on the plate or surface by rotating the cylinder roller relative to the plate or surface. The outer surface of the cylinder roller is divided circumferentially into an adhesion portion and a non-adhesion portion. The adhesion portion is configured to provide an adhesion force for adhering the sheet to the outer surface of the cylinder roller while the non-adhesion portion remains stationary relative to an axis of rotation of the cylinder roller during the rotating of the cylinder roller relative to the substrate and the plate or surface. | 2020-10-08 |
20200321648 | HYBRID CELL DESIGN OF ALTERNATELY STACKED OR WOUND LITHIUM ION BATTERY AND CAPACITOR ELECTRODES - Electrodes are formed with a porous layer of particulate electrode material bonded to each of the two major sides of a compatible metal current collector. In one embodiment, opposing electrodes are formed with like lithium-ion battery anode materials or like cathode materials or capacitor materials on both sides of the current collector. In another embodiment, a battery electrode material is applied to one side of a current collector and capacitor material is applied to the other side. In general, the electrodes are formed by combining a suitable grouping of capacitor layers with un-equal numbers of anode and cathode battery layers. One or more pairs of opposing electrodes are assembled to provide a combination of battery and capacitor energy and power properties in a hybrid electrochemical cell. The cells may be formed by stacking or winding rolls of the opposing electrodes with interposed separators. | 2020-10-08 |
20200321649 | SERIES-PARALLEL SWITCHING DEVICE AND BATTERY PACK INCLUDING SERIES-PARALLEL SWITCHING DEVICE - The present application relates to a series-parallel switching device and a battery pack including the series-parallel switching device. The series-parallel switching device used for the battery pack is disclosed. The battery pack includes a first battery and a second battery. The switching device includes: a switching circuit, which is configured to be electrically coupled with the first battery and the second battery, where the switching circuit is configured to receive a control signal, and the switching circuit is controlled by the control signal to switch the first battery and the second battery between a parallel state and a series state, or switch the first battery or the second battery to a disconnection state. | 2020-10-08 |
20200321650 | BATTERY CELL DESIGN WITH A NON-INVASIVE LITHIUM REFERENCE LEAD - A battery cell providing a non-invasive reference lead includes a cap positioned at a top of the battery cell, where the cap includes an anode section and a cathode section separated by an insulator section. The battery cell also includes a jelly roll comprising an anode lead and a cathode lead extending from a top of the jelly roll. The anode lead of the jelly roll is electrically coupled to the anode section of the cap, and the cathode lead of the jelly roll is electrically coupled to the cathode section of the cap. The battery cell further includes a lithium sleeve providing a reference lead for the battery cell. The lithium sleeve and the cap enclose the jelly roll. | 2020-10-08 |
20200321651 | BATTERY CELL DESIGN WITH A COATED LITHIUM REFERENCE ELECTRODE - A battery cell providing a coated lithium reference lead includes at least one anode layer, at least one cathode layer, and a reference lead. The reference lead includes a conductive wire, a layer of lithium metal coupled to the conductive wire, and a polymer coating that covers the layer of lithium metal. The reference lead is inserted into the battery cell with the at least one anode layer and the at least one cathode layer. | 2020-10-08 |
20200321652 | METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE - A method for producing a sulfide solid electrolyte, wherein lithium sulfide and a compound represented by the following formula (1) are used as raw materials: PSX | 2020-10-08 |
20200321653 | SOLID ELECTROLYTE COMPOSITIONS - A solid-state electrolyte includes a lithium salt, a lithium ion-conducting inorganic material, a polymer, and a coupling agent. The coupling agent bonds the lithium ion-conducting inorganic material to the polymer. | 2020-10-08 |
20200321654 | LIQUID ELECTROLYTE AND FLUORIDE ION BATTERY - A main object of the present disclosure is to provide a liquid electrolyte in which concentration of active fluoride ion is high. The present disclosure achieves the object by providing a liquid electrolyte to be used in a fluoride ion battery, the liquid electrolyte comprising: a potassium fluoride; an alkali metal amide salt including a cation of an alkali metal and an amide anion; and a glyme represented by a general formula R | 2020-10-08 |
20200321655 | ELECTROLYTE COMPOSITIONS FOR STABILIZING SILICON ELECTRODES IN LITHIUM BATTERIES - A lithium-ion electrochemical cell comprises a first electrode, a second electrode comprising elemental silicon, a microporous separator membrane between the first and second electrodes, and an electrolyte in contact with the electrodes and the membrane. The electrolyte comprises a lithium salt at a concentration in the range of about 0.1 M to about 5 M, and an additional metal salt at a concentration in the range of about 0.001 to about 5 M dissolved in an organic solvent. The additional metal salt comprises a metal cation that can form a lithium-silicon-metal Zintl phase; and the first electrode comprises metallic lithium or a cathode active material capable of donating and accepting lithium ions to and from the second electrode during electrochemical cycling. Electrolytes for use with silicon-containing electrodes also are described. | 2020-10-08 |
20200321656 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY CONTAINING SAME - The present invention relates to an electrolyte for a lithium secondary battery, comprising an organic solvent, a lithium salt and a compound of Chemical Formula 1, wherein the compound of Chemical Formula 1 is contained in an amount of 0.001 wt % or more and less than 0.1 wt %. | 2020-10-08 |
20200321657 | NONAQUEOUS ELECTROLYTE COMPOSITIONS COMPRISING FLUORINATED SULFONES - Disclosed herein are electrolyte compositions comprising a fluorinated solvent, a fluorinated sulfone, at least one component selected from a borate salt, and/or an oxalate salt, and/or a fluorinated cyclic carbonate, and at least one electrolyte salt. The fluorinated solvent may be a fluorinated acyclic carboxylic acid ester, a fluorinated acyclic carbonate, a fluorinated acyclic ether, or combinations thereof. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries. | 2020-10-08 |
20200321658 | METHOD FOR MANUFACTURING SECONDARY BATTERY - Provided is a method for manufacturing a secondary battery including a stacked electrode body including a plurality of positive electrode plates ( | 2020-10-08 |
20200321659 | ACCUMULATOR - An accumulator may include a housing with at least two mutually opposite housing walls, accumulator cells arranged between the housing walls and following one another in a stacking direction, and at least one intermediate piece arranged in the housing between at least one of the accumulator cells and one of the housing walls and that retains the accumulator cells in the housing. At least one intermediate piece may be configured as a mutable intermediate piece in such a way that the mutable intermediate piece may be changeable between a first state having a first thickness extending in a spacing direction between the associated housing wall and the associated at least one of the accumulator cells, and a second state having a second thickness extending in the spacing direction, wherein the second thickness may be greater than the first thickness. In the state in which the mutable intermediate piece and the accumulator cells may be arranged in the housing, the mutable intermediate piece may be changed into the second state. | 2020-10-08 |
20200321660 | COILED BATTERY CELL - A coiled battery cell, comprises: a first electrode plate, the first electrode plate comprising a first active material layer, the first active material layer completely covering two surfaces of the first electrode plate; an outermost circle of the coiled battery cell is a separator, the separator in the outermost circle is adjacent to the first electrode plate. A battery comprising the coiled battery cell is further disclosed. The purpose is to at least reduce the risk of short circuit as a result of tearing or breaking of the aluminum foil in the outer layer when the cell is dropped. | 2020-10-08 |
20200321661 | ZINC BATTERY AND ZINC FLOW BATTERY - A zinc battery according to an embodiment includes a negative electrode and a positive electrode, an electrolytic solution, and a powder. The electrolytic solution is in contact with the negative electrode and the positive electrode. The powder includes zinc and is mixed in the electrolytic solution. A zinc flow battery according to an embodiment includes a reaction chamber and a stirrer. The reaction chamber includes the zinc battery. The stirrer stirs the electrolytic solution. | 2020-10-08 |
20200321662 | HIGH TEMPERATURE LITHIUM AIR BATTERY - A rechargeable lithium air battery contains a lithium based anode containing a lithium ion conductive electrolyte forming a first chamber that encloses lithium metal, an oxygen electrode, a solid oxygen ion conductive electrolyte forming a second chamber, and a molten electrolyte contained in the second chamber and coupled between the oxygen ion conductive electrolyte and the lithium ion conductive electrolyte, and the molten salt electrolyte has no contact with air. | 2020-10-08 |
20200321663 | LITHIUM SLURRY BATTERY SYSTEM - A lithium slurry battery system is provided. The system includes a lithium slurry battery and a maintenance and regeneration equipment for the battery. The battery includes: a case, a cell core accommodated in the case, and a cover butting device. The case is provided with a cover and a case body. The cover butting device is arranged on the cover and is provided with a first cover port and a second cover port. The maintenance and regeneration equipment includes: a gas storage tank for storing gas, a liquid storage tank for storing liquid; a gas recovery storage tank for storing gas recovered from the lithium slurry battery; a liquid recovery storage tank for storing liquid recovered from the lithium slurry battery; and an equipment butting device provided with a first equipment port and a second equipment port. | 2020-10-08 |
20200321664 | BATTERY CONTROL METHOD - In one embodiment, a system comprising a battery set comprising plural battery cells configured in a circuit; and a control system configured to switch current flow in the circuit from bi-directional flow to and from the battery set to mono-directional flow to or from the battery set based on an over-charging or over-discharging condition. | 2020-10-08 |
20200321665 | MODULAR, ADAPTABLE HOLDERS FOR SENSORS AND BATTERY CELLS FOR PHYSICAL ANALYSIS - Systems and methods for battery testing including a holder system. The holder system is designed to couple one or more transducers to a battery under test, wherein the one or more transducers are configured for electrochemical-acoustic signal interrogation (EASI) of the battery. The holder system includes at least one arm to house at least one transducer to be coupled to the battery, and a pressure applying device to apply pressure to the at least one transducer, and to control pressure between the at least one transducer and the battery. The holder system is also configured to determine the pressure between the at least one transducer and the battery and adjust the pressure applied to the at least one transducer based on the determined pressure. | 2020-10-08 |
20200321666 | BATTERY PACK - A battery pack is capable of maximizing or increasing a cooling effect of a module by concurrently performing conduction-type heat dissipation by a heat dissipation member extended from the inside to the outside of the module, and convection-type heat dissipation by a duct and a cooling fan. A battery pack includes: at least one module including a plurality of unit cells, a plurality of spacers between the unit cells, and a module case accommodating the unit cells and the spacers; a plurality of heat dissipation members inserted into the module and extended from the inside to the outside of the module; a duct including an opening and provided at one side of the module; and a cooling fan connected to the opening of the duct. | 2020-10-08 |
20200321667 | BATTERY APPARATUS FOR AN ELECTRICALLY DRIVEN VEHICLE - A battery apparatus for an electrically driven vehicle, having at least one battery module including individual battery cells is provided. The battery module has a module housing, which, for the purpose of regulating the temperature of the battery cells, is at least partly filled with temperature-regulating liquid and has a primary sealing apparatus to prevent leakage of the temperature-regulating liquid from the module housing. The battery module is furthermore accommodated in a module space of an enveloping housing, which has a secondary sealing apparatus to prevent leakage of temperature-regulating liquid from the enveloping housing. | 2020-10-08 |
20200321668 | RAPID LOW-TEMPERATURE SELF-HEATING METHOD AND DEVICE FOR BATTERY - The present invention relates to a rapid low-temperature self-heating method and device for a battery. Active controllable large-current lossless short-circuit self-heating cooperates with an external heater to implement rapid composite heating, so that a battery is rapidly heated in a low-temperature environment and is controlled to fall within an optimal working temperature interval, so as to improve energy utilization of the battery and durability of a battery system. Before the battery system is started, battery temperature is first determined; when the temperature is less than a threshold, an external short-circuit is first proactively triggered to generate a large current to implement self-heating inside the battery. A method for determining a large-current lossless short-circuit time threshold is disclosed. A lossless time threshold of an external short-circuit of a battery is constructed according to a critical time and a second current peak of the short-circuit, ensuring that the service life and safety of the battery are not affected during rapid short-circuit heating; further, a temperature rise of lossless short-circuit self-heating of the battery is estimated based on a model, where if the temperature rise does not reach target temperature, the external heater is started for cooperative work, to make temperature of the battery system rise and kept in the optimal working temperature interval. The method is simple, easy to implement, and safe and reliable, and can effectively resolve a problem that an electric vehicle has large capacity degradation and poor working performance in a low-temperature severe cold working condition. | 2020-10-08 |
20200321669 | SECONDARY BATTERY PACK INCLUDING HEAT DISSIPATION PLATE - Disclosed is a secondary battery pack including a plurality of cylindrical battery cells with improved cooling efficiency. The secondary battery pack includes a plurality of cylindrical battery cells having electrode terminals formed at both ends thereof; a pack case having an accommodation portion formed to accommodate the plurality of cylindrical battery cells therein and at least one exposing portion perforated from an inside to an outside thereof; at least one heat dissipation plate configured in the form of a metal plate and located at the exposing portion of the pack case so that at least a portion thereof is exposed out through the exposing portion of the pack case; and a heat transfer pad having a thermally conductive material in a solid state and interposed between the plurality of cylindrical battery cells and the heat dissipation plate. | 2020-10-08 |
20200321670 | BATTERY MODULE THERMAL MANAGEMENT - A battery module includes features to optimize cooling while providing electrical isolation and cell gas-venting channels. The battery module can include the integration of a heatsink in order to improve thermal performance. Thermally conductive pads can be provided to create an electrically isolated interface between a plurality of series-connected battery-cell lead plates, at different potentials, and the heatsink. Optimization, by stacking thin and thick thermally conductive pads, allows for creation of gas-venting channels along the positive cell terminal locations. In some arrangements, a plurality of fluid paths are disposed between the inlet and the outlet of the battery module to provide heat convective airflow through the battery module. | 2020-10-08 |
20200321671 | COOLING MODULE FOR A CELL STACK, AND A CELL STACK - The present invention relates to the field of electrical energy storage devices and in particular enables simplified manufacture and/or optimised operation thereof in that a cooling module, a cell stack, the entire electrical energy storage device and/or a method for cooling cells are optimised. | 2020-10-08 |
20200321672 | DUAL SLOT COMMON MODE NOISE FILTER - A multiple-layer circuit board has a signaling layer plane, an exterior layer plane, and a ground layer plane. A pair of differential signal lines implemented as strip-lines are within the signaling layer, and propagate electromagnetic interference (EMI) along the signaling layer. A dual slot common mode noise filter may be etched within the ground layer and may include a first U-shaped etching pair comprising a first U-shaped etching and a second U-shaped etching opposing the first U-shaped etching within the ground layer plane. | 2020-10-08 |
20200321673 | SIGNAL PROCESSING CIRCUIT, RADIO FREQUENCY SIGNAL TRANSMITTER, AND COMMUNICATIONS DEVICE - Embodiments of this application disclose a signal processing circuit, a radio frequency signal transmitter, and a communications device, and relate to the field of electronic device technologies, to improve power amplification efficiency of the signal processing circuit. The signal processing circuit includes: a splitter, a radio frequency signal converter, a first branch power amplifier, a second branch power amplifier, and a combiner. The splitter is connected to the radio frequency signal converter, the radio frequency signal converter is connected to the first branch power amplifier and the second branch power amplifier, and the first branch power amplifier and the second branch power amplifier are connected to the combiner. | 2020-10-08 |
20200321674 | HYBRID TRANSMISSION LINE - One embodiment provides an apparatus. The apparatus includes a first signal trace and a current return path. The current return path includes a plurality of portions. The plurality of portions includes a first portion, a second portion and a third portion. The first portion is included in a first power plane. The second portion is included in a second power plane coplanar with the first power plane and separated from the first power plane by a split. The third portion spans the split and is included in a reference voltage plane. The reference voltage plane is coplanar with the first signal trace. The reference voltage plane is separated from the first power plane and the second power plane by a dielectric material. | 2020-10-08 |
20200321675 | WELL THERMALIZED STRIPLINE FORMATION FOR HIGH-DENSITY CONNECTIONS IN QUANTUM APPLICATIONS - A stripline that is usable in a quantum application (q-stripline) includes a first polyimide film and a second polyimide film. The q-stripline further includes a first center conductor and a second center conductor formed between the first polyimide film and the second polyimide film. The q-stripline has a first pin configured through the second polyimide film to make electrical and thermal contact with the first center conductor. | 2020-10-08 |
20200321676 | TRANSMISSION LINE FOR VACUUM APPLICATIONS - A microwave transmission line assembly operated in vacuum for satellite antennas and beamforming networks comprising a first ground plane and a conductor strip positioned a distance from the first ground plane. The conductor strip comprises a first strip portion and a second strip portion ( | 2020-10-08 |
20200321677 | Substrate Design for Efficient Coupling Between a Package and a Dielectric Waveguide - A device includes a multilayer substrate having a first surface and a second surface opposite the first surface. An integrated circuit is mounted on the second surface of the multilayer substrate, the integrated circuit having transmission circuitry configured to process millimeter wave signals. A substrate waveguide having a substantially solid wall is formed within a portion of the multilayer substrate perpendicular to the first surface. The substrate waveguide has a first end with the wall having an edge exposed on the first surface of the multilayer substrate. A reflector is located in one of the layers of the substrate and is coupled to an edge of the wall on an opposite end of the substrate waveguide. | 2020-10-08 |
20200321678 | ADJUSTABLE ANTENNA MOUNT - An antenna mount includes a pivot saddle rotatably coupled to a pivot base. The azimuth angle of an antenna changes as the pivot saddle rotates about the pivot base. The pivot base and the pivot saddle further comprise a unitary folded metal part. | 2020-10-08 |
20200321679 | ANTENNA MOUNTING DEVICE - The present invention relates to an antenna mounting device configured to collectively mount a plurality of base station antennas on the same pole. The antenna mounting device comprises: a bracket ( | 2020-10-08 |
20200321680 | AN ANTENNA AND A METHOD OF OPERATING IT - An antenna with a radiation emitter/receiver, a base and a mount system capable of rotating the radiation emitter/receiver in relation to the base around at least three axes, where a controller may ensure that the emitter/receiver is directed in a first direction in relation to the base while portions of the mount system rotate so as to prevent bearings of the mount system to deteriorate. | 2020-10-08 |
20200321681 | TILT ADAPTER FOR DIPLEXED ANTENNA WITH SEMI-INDEPENDENT TILT - A tilt adapter configured to facilitate a desired tilt of a first radio frequency (RF) band and a second RF band of an antenna is disclosed. The antenna supports two or more frequency bands, in which the vertical tilt of each of the supported frequency bands is separately controlled by a coarse level of phase shifting, but commonly controlled by a fine level of phase shifting. | 2020-10-08 |
20200321682 | WINDOW ANTENNAS - In one aspect, an apparatus is described that includes a transparent pane having a first surface and a second surface. An electrochromic device (ECD) is arranged over the second surface that includes a first conductive layer adjacent the second surface, a second conductive layer, and an electrochromic layer between the first and the second conductive layers. The apparatus further includes at least one conductive antenna structure arranged over the second surface. | 2020-10-08 |
20200321683 | ADAPTABLE LOCKING MECHANISM FOR COST-EFFECTIVE SERIES PRODUCTION - The present invention regards a platform and elevation support arrangement ( | 2020-10-08 |
20200321684 | SURGICAL SPONGES WITH FLEXIBLE RFID TAGS - A surgical sponge is provided, having a radiofrequency (RF) tag positioned interior thereto. The RF tag has a base layer with at least one tab projecting from an outer perimeter of thereof. The RF tag has a first protective layer with at least one tab projecting from the outer perimeter of the RF tag and generally aligned with the at least one tab of the base layer and an RF identifier laminated between the base layer and the first protective layer. The RF identifier has an antenna, and an electrically responsive member. The antenna can be a metal foil loop antenna etched on to the base layer. The RF identifier can include additional metal foil provided on the base layer when the metal foil loop antenna is etched on to the base layer, the additional metal foil configured to enhance x-ray opacity of the sponge. | 2020-10-08 |
20200321685 | RADIATING CLOSURES - Novel tools and techniques are provided for implementing telecommunications signal relays, and, more particularly, to methods, systems, and apparatuses for implementing telecommunications signal relays using radiating closures (either aerial, below grade, and/or buried, etc.), or the like. In various embodiments, a signal distribution system, which might be disposed within a radiating closure, might receive a first communications signal. A wireless transceiver of the signal distribution system might send the first communications signal, via one or more wireless communications channels, to one or more devices that are external to the radiating closure. In some embodiments, antennas—which might comprise first antennas disposed within the radiating closure or second antennas embedded in a housing material of the radiating closure, or both—might direct the first communications signal that is sent from the wireless transceiver to the one or more devices. In some cases, IoT sensors may be implemented in the radiating closure. | 2020-10-08 |
20200321686 | ANTENNA MODULE SUPPORTING DUAL BANDS AND ELECTRONIC DEVICE INCLUDING THE SAME - An electronic device including a housing; a display; a wireless communication circuit comprising a first port, a second port, a third port, and a fourth port, wherein the wireless communication circuit is configured to transmit a first signal having a first frequency via the first port; receive a second signal having the first frequency via the second port; transmit a third signal having a second frequency different from the first frequency via the third port; and receive a fourth signal having the second frequency via the fourth port; and an antenna structure disposed inside the housing, wherein the antenna structure comprises: a conductive pattern; a first node, a second node, and a third node electrically connected to the conductive pattern; a first electrical path; a second electrical path; a third electrical path; a fourth electrical path; a fifth electrical path; a sixth electrical path; and a seventh electrical path. | 2020-10-08 |
20200321687 | PRINTED CIRCUIT BOARD AND TERMINAL - A printed circuit board and a terminal are provided. The printed circuit board includes a feedpoint arrangement region, a ground point arrangement region, and a ground region. The ground region is adjacent to and connected to the ground point arrangement region and is configured to be a ground plate of the antenna. A radiation reduction structure is arranged in the ground region and defines an opening. Therefore, an edge of the printed circuit board is disrupted by the opening. | 2020-10-08 |
20200321688 | ANTENNA SYSTEM FOR A WIRELESS COMMUNICATION DEVICE - An antenna system for a mobile device includes a first electrically conductive member having a plurality of segments including at least a first corner segment and a central segment that is disposed adjacent to the first corner segment. A dielectric material is disposed in a gap between the first corner segment and the central segment. A second electrically conductive member is disposed within the mobile device. A first end of the second electrically conductive member is connected to the first corner segment. A portion of the second electrically conductive member away from the first end is electrically connected to a first feeding portion. The central segment is connected to a second feeding portion. | 2020-10-08 |
20200321689 | PROTECTIVE CASE FOR ELECTRONIC DEVICE - A protective case for an electronic device having a display, a first 5G antenna region on a rear surface of the electronic device and a second 5G antenna on a side surface of the electronic device is provided. The protective case includes a first opening providing access to the display of the installed electronic device. The protective case includes a first antenna region opening on a rear surface of the protective case aligned with the first 5G antenna region providing direct access to the first 5G antenna region of the installed electronic device The protective case includes a second antenna region opening on a side surface of the protective case aligned with the second 5G antenna region providing direct access to the second 5G antenna of the installed electronic device. | 2020-10-08 |
20200321690 | Millimeter Wave Impedance Matching Structures - An electronic device may be provided with a transceiver, a substrate, and antennas mounted to the substrate. The transceiver and antennas may convey signals between 10 GHz and 300 GHz. A radio-frequency connector may be mounted to the substrate. A coaxial cable may couple the transceiver to the connector. A stripline in the substrate may couple the connector to the antennas. Impedance matching structures may be embedded in the substrate for matching an impedance of the stripline to an impedance of the coaxial cable. The impedance matching structures may include a fence of conductive vias, landing pads, and a volume of the dielectric substrate defined by the fence of conductive vias and the landing pads. The impedance matching structures may be configured to perform impedance matching over a relatively wide bandwidth that includes the frequency band of operation for the antennas. | 2020-10-08 |
20200321691 | ANTENNA ASSEMBLY AND ELECTRONIC DEVICE - An antenna assembly and an electronic device are provided according to the present disclosure. The antenna assembly includes an antenna module and a bandwidth matching layer. The antenna module is configured to transmit and receive, within a preset direction range, a millimeter wave signal in a target frequency band. The bandwidth matching layer is spaced apart from the antenna module, and at least part of the bandwidth matching layer is disposed within the preset direction range. The bandwidth matching layer is configured to match an impedance of the antenna module to an impedance of free space to enable an impedance bandwidth of the antenna module in the target frequency band when the bandwidth matching layer is provided to be greater than an impedance bandwidth of the antenna module in the free space. | 2020-10-08 |
20200321692 | Cosecant Squared Antenna Radiation Pattern - Various embodiments are described that relate to an antenna. In one embodiment, the antenna can be a low profile, multi-band (e.g., dual band), emulated GPS constellation antenna. In one embodiment, the antenna can form a cube with two open sides and four circuit board sides. The four circuit boards can include a first hardware portion that allows functioning in a higher frequency band and a second hardware portion that allows functioning in a lower frequency band. | 2020-10-08 |
20200321693 | METHODS TO MECHANICALLY RETAIN, ATTACH, AND SEAL ORIENTED THERMOPLASTIC COMPOSITES AND STRUCTURE - A method or device designed to retain, attach and seal thermoplastic composite structures in a manner that ensures weather tightness, structural integrity, and ruggedized capability of the installation. | 2020-10-08 |
20200321694 | RADAR APPARATUS, METHOD OF MANUFACTURING A RADAR APPARATUS AND MOTOR VEHICLE - A radar apparatus for a motor vehicle including a transceiver device configured to transmit radar radiation and to receive the radar radiation reflected from objects in an environment of the radar apparatus and to generate a measurement signal, and a protection device configured to protect the transceiver device from external influences. The thickness of the protective device is at least in sections less than 10% of a wavelength of the radar radiation passing through the protective device. | 2020-10-08 |
20200321695 | A METAL SPACE FRAME RADOME - A radome with constructed panels that are mechanically fastened to each other to form a truncated faceted spherical structure. Each panel is constructed of a metal frame and a membrane attached to the frame. The mechanically fastened frame beams panel-to-panel contact spaces are sealed to prevent water ingress. | 2020-10-08 |
20200321696 | ANTENNA DEVICE AND TERMINAL - The present disclosure discloses an antenna device and a terminal. The antenna device includes a first branch, a second branch, a third branch, a public branch, and a feed point. The first branch, the second branch, the third branch, a public branch and the feed point constitute a diversity antenna cooperatively. The first branch is configured as an earpiece metal mesh. The feed point is electrically connected to the first branch. The second branch and the third branch are electrically connected to an end of the public branch, respectively. An another end of the public branch is electrically connected to the feed point. | 2020-10-08 |
20200321697 | PHASED ARRAY ANTENNAS HAVING MULTI-LEVEL PHASE SHIFTERS - A phased array antenna includes a panel, a plurality of feed boards on the panel, each of the feed boards including at least one radiating element, a base-level adjustable phase shifter including a plurality of outputs, a first feed board adjustable phase shifter mounted on a first of the feed boards and a first cable that forms a transmission path between a first of the outputs of the base-level adjustable phase shifter and the first feed board. | 2020-10-08 |
20200321698 | FRONTEND MODULE - A frontend module includes an antenna terminal, and a duplexer including a first filter connected to the antenna terminal and a first terminal, configured to perform cellular communications within a 3.3 GHz to 4.2 GHz band, and a second filter connected to the antenna terminal and a second terminal, configured to perform Wi-Fi communications within a 5.15 GHz to 5.950 GHz band, wherein each of the first filter and the second filter includes an LC filter, and a portion of an operating time period of the first filter overlaps a portion of an operating time period of the second filter. | 2020-10-08 |
20200321699 | ANTENNA AND COMMUNICATIONS APPARATUS - An antenna and an apparatus, where the antenna includes a radiating area, a grounding area, and a feeding area, at least one variable impedance circuit is disposed in at least one of the radiating area, the grounding area, and the feeding area, and the variable impedance circuit is configured to: when impedance of the antenna does not match impedance of a radio frequency front end, or when impedance of a radio frequency front end changes, adaptively adjust the impedance of the antenna, control the impedance of the antenna to match the impedance of the radio frequency front end in a conjugate manner. Alternatively, the variable impedance circuit is configured to: when impedance of the antenna matches impedance of a radio frequency front end, adaptively adjust the impedance of the antenna, control the impedance of the antenna to mismatch the impedance of the radio frequency front end. | 2020-10-08 |
20200321700 | MULTI-BAND BASE STATION ANTENNAS HAVING INTEGRATED ARRAYS - Base station antennas are provided herein. A base station antenna includes a plurality of vertical columns of low-band radiating elements configured to transmit RF signals in a first frequency band. The base station antenna also includes a plurality of vertical columns of high-band radiating elements configured to transmit RF signals in a second frequency band that is higher than the first frequency band. The vertical columns of high-band radiating elements extend in parallel with the vertical columns of low-band radiating elements in a vertical direction. | 2020-10-08 |
20200321701 | Sleeved Dipole Antenna for Multi-Octave Broadside Radiation Pattern Control - A method of maximizing the radiation pattern at broadside of a dipole antenna. The antenna is formed with a dipole wire having a sleeve centered along the length of the dipole wire. This sleeve is made from a conductive material and has a length relative to the dipole length that causes the dipole antenna to have an elevation gain pattern that maintains a peak at zero elevation over a much greater bandwidth than a conventional dipole. | 2020-10-08 |
20200321702 | Planar Multipole Antenna - Provided is a planar multipole antenna, and more particularly, to a planar multipole antenna which is capable of adjusting a beam width and a band characteristic and reducing the size. The planar multipole antenna includes a plurality of radiators formed above a conductor plate, the plurality of radiator includes a main radiator and a plurality of additional radiators, the main radiator includes a signal applying hole to which a signal is applied, and the additional radiator is connected to a ground formed on the conductor plate. | 2020-10-08 |