02nd week of 2021 patent applcation highlights part 63 |
Patent application number | Title | Published |
20210013486 | HYBRID ELECTROLYTE DESIGN FOR TITANIUM NIOBIUM OXIDE BASED LITHIUM BATTERY - According to one or more embodiments, a lithium-ion battery includes an anode including titanium niobium oxide (TNO) particles and solid electrolyte particles configured to form an interphase layer therebetween, a cathode including an active material, electronic conductor, and a non-solid electrolyte; and an ionically conductive and liquid-impermeable solid electrolyte separator. The solid electrolyte separator is in direct contact with and between the anode and cathode, and is configured to prevent reduction of the non-solid electrolyte by isolating the non-solid electrolyte from the TNO particles. | 2021-01-14 |
20210013487 | Method of Preparing Positive Electrode - The present invention relates to a method of preparing a positive electrode which includes forming a solid electrolyte by mixing a lithium salt and a polymer for a solid electrolyte in a dry atmosphere, forming a dry mixture by stirring after adding a conductive agent and a positive electrode active material to the solid electrolyte in a dry atmosphere, and pressing after coating a current collector with the dry mixture. | 2021-01-14 |
20210013488 | BATTERY - A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including a lithium hexafluorophosphate and an additive. The positive electrode active material includes a compound having a crystal structure belonging to a space group FM3-M and represented by Compositional Formula (1): Li | 2021-01-14 |
20210013489 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery according to one aspect of the present invention includes: a positive electrode plate in which a positive electrode mixture layer containing a positive electrode active material is formed on a positive electrode current collector; a negative electrode plate in which a negative electrode mixture layer containing a negative electrode active material is formed on a negative electrode current collector; a separator; a non-aqueous electrolyte; a sealing member; and an outer casing. The negative electrode active material contains graphite and a silicon material. The silicon material contains silicon oxide represented by SiO | 2021-01-14 |
20210013490 | PRELITHIATED ANODE ACTIVE MATERIAL PARTICLES FOR LITHIUM-ION BATTERIES AND PRODUCTION METHOD - Provided is a prelithiated anode active material particle for use in a lithium-ion battery, the particle is capable of reversibly storing lithium ions therein during a charge or discharge of the battery and comprises an amount of lithium from 1% to 100% of a maximum lithium content that can be contained in the anode active material particle, having a first lithium concentration C | 2021-01-14 |
20210013491 | NANOSILICON MATERIAL PREPARATION FOR FUNCTIONALIZED GROUP IVA PARTICLE FRAMEWORKS - Functionalized Group IVA particles, methods of preparing the Group IVA particles, and methods of using the Group IVA particles are provided. The Group IVA particles may be passivated with at least one layer of material covering at least a portion of the particle. The layer of material may be a covalently bonded non-dielectric layer of material. The Group IVA particles may be used in various technologies, including lithium ion batteries and photovoltaic cells. | 2021-01-14 |
20210013492 | METHODS FOR THE PRODUCTION OF NANOCOMPOSITES FOR HIGH TEMPERATURE ELECTROCHEMICAL ENERGY STORAGE DEVICES - Presented here are nanocomposites and electrochemical storage systems (e.g., rechargeable batteries and supercapacitors), which are resistant to thermal runaway and are safe, reliable, and stable electrode materials for electrochemical storage systems (e.g., rechargeable batteries and supercapacitors) operated at high temperature and high pressure, and methods of making the same. | 2021-01-14 |
20210013493 | COMPOSITE ANODE ACTIVE MATERIAL AND ANODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A composite anode active material, an anode, and a lithium secondary battery, the composite anode active material including a silicon-carbon composite; a first graphite; and a second graphite that is different from the first graphite, wherein the first graphite has an average particle diameter D | 2021-01-14 |
20210013494 | ANODE COATING IN LITHIUM ION BATTERIES - Anodes for lithium-ion batteries and methods for their production are provided. Anodes comprise an initial anode made of consolidated anode material particles, and a coating of the initial anode, that comprises a layer of an ionic-conductive polymer which provides an artificial SEI (solid-electrolyte interphase) to facilitate lithium ion transfer through the coating while preventing direct fluid communication with the anode material particles and electrolyte contact thereto. The coating may be configured to keep the anode resistance low while preventing electrolyte decomposition thereupon, enhancing cell stability and cycling lifetime. | 2021-01-14 |
20210013495 | MULTILAYER BODY AND METHOD FOR PRODUCING SAME - A multilayer body is provided that is used as the negative electrode of a lithium-ion secondary battery that has a high capacity and is excellent in terms of safety, economic efficiency, and cycle characteristics. The multilayer body has a conductive substrate and a composite layer provided on the conductive substrate. The composite layer includes a plurality of particles of silicon oxide and a conductive substance present in gaps between the plurality of particles of silicon oxide. The average particle diameter of the particles of silicon oxide is 1.0 μm or less. The multilayer body further has a conductive layer that is provided on the composite layer and contains a conductive substance. The conductive layer has a thickness of 20 μm or less. | 2021-01-14 |
20210013496 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery, a negative electrode mix layer includes a first layer and a second layer disposed successively from a negative electrode collector. The first layer contains a first carbon-based active material having a 10% compressive strength of 3 MPa or less and a silicon-based active material containing Si. The second layer contains a second carbon-based active material having a 10% compressive strength of 5 MPa or more and has a lower content (mass ratio) of the silicon-based active material than the first layer. | 2021-01-14 |
20210013497 | ELECTRODE, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK - According to one embodiment, an electrode is provided. The electrode includes an active-material containing layer that includes active material particles and a binder containing a polymer that contains monomers containing nitrogen atoms. The particle size distribution chart of the electrode obtained by the laser diffraction scattering has peak A and peak B whose particle sizes corresponding to their peak tops are different from each other. The particle size DA corresponding to the peak top of the peak A is smaller than the particle size DB corresponding to the peak top of the peak B. The ratio PA/PB of the frequency PA of the peak top of the peak A and the frequency PB of the peak top of the peak B falls within the range of 0.2 or larger and 1.5 or smaller. | 2021-01-14 |
20210013498 | ELECTROCHEMICAL CELLS HAVING IMPROVED IONIC CONDUCTIVITY - Electrochemical cells of the present disclosure may include one or more multilayered electrodes. One or both multilayered electrodes may be configured such that a second layer farther from the current collector has a higher resistance to densification than a first layer closer to the current collector. This may be achieved by including a plurality of non-active ceramic particles in the second layer. Accordingly, calendering of the electrode results in a greater compression of the first layer, and a beneficial porosity profile is created. This may improve the ionic conductivity of the electrode, as compared with known systems. | 2021-01-14 |
20210013499 | SILICON-GRAPHITE COMPOSITE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, ELECTRODE AND SECONDARY BATTERY PROVIDED THEREWITH, AND MANUFACTURING METHOD FOR SUCH A SILICON-GRAPHITE COMPOSITE ELECTRODE ACTIVE MATERIAL - A silicon-graphite composite electrode active material used for a secondary battery is provided. The silicon-graphite composite electrode active material may be formed using silicon-graphite composites that silicon is mixed in graphite material as unit powder. The silicon-graphite composite may be formed such that the silicon is located inside the graphite material and is not exposed to an outer surface of the graphite material. | 2021-01-14 |
20210013500 | ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS - A battery electrode composition is provided comprising anode and cathode electrodes and an electrolyte ionically coupling the anode and the cathode. At least one of the electrodes may comprise a plurality of active material particles provided to store and release ions during battery operation. The electrolyte may comprise an aqueous metal-ion electrolyte ionically interconnecting the active material particles. Further, the plurality of active material particles may comprise a conformal, metal-ion permeable coating at the interface between the active material particles and the aqueous metal-ion electrolyte. The conformal, metal-ion permeable coating impedes water decomposition at the aforesaid at least one of the electrodes. | 2021-01-14 |
20210013501 | LITHIUM SECONDARY BATTERY - A lithium secondary battery having a positive electrode, a separator, a negative electrode facing the positive electrode with the separator interposed therebetween, and an electrolyte, in which metallic lithium deposits on the negative electrode during charge. The electrolyte includes: an oxalate salt containing an oxalate complex as an anion, and a lithium ion as a cation; and a dicarboxylic acid diester compound. The dicarboxylic acid diester compound is contained in an amount of 0.1 mass % or more and less than 10 mass % in the electrolyte. | 2021-01-14 |
20210013502 | Composite Negative Electrode for All-Solid-State Battery - A composite negative electrode for an all-solid-state battery is provided. The composite negative electrode includes a negative electrode current collector, and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes unit cells arranged with a gap therebetween, and wherein the unit cells include a solid electrolyte and a carbon material dispersed in the solid electrolyte. | 2021-01-14 |
20210013503 | POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL - A method of producing a positive electrode active material, the method includes: contacting first particles that contain a lithium transition metal composite oxide with a solution containing sodium ions to obtain second particles containing the lithium transition metal composite oxide and sodium element, wherein the lithium transition metal composite oxide has a layered structure and a composition ratio of a number of moles of nickel to a total number of moles of metals other than lithium in a range of from 0.7 to less than 1; mixing the second particles and a boron compound to obtain a mixture; and heat-treating the mixture at a temperature in a range of from 100° C. to 450° C. | 2021-01-14 |
20210013504 | MANGANESE OXIDE CONTAINING MATERIAL FOR ELECTRODES AND ELECTROCHEMICAL DEVICES USING THE ELECTRODES - A material for use as an electrode in an electrochemical storage device, the material including: a composite including at least one manganese oxide and at least one ion-active carbon. An electrode for an electrochemical storage device and an electrochemical storage device is also disclosed. | 2021-01-14 |
20210013505 | CATHODE ACTIVE MATERIAL USED FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY - The present invention is to provide a cathode active material used for a lithium ion secondary battery which has a large charge-discharge capacity, and excels in charge-discharge cycle properties, output properties and productivity, and, a lithium ion secondary battery using the same. The cathode active material used for a lithium ion secondary battery comprises a lithium transition metal composite oxide represented by the following Formula (1); Li | 2021-01-14 |
20210013506 | LITHIUM METAL COMPOSITE OXIDE POWDER, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY - A lithium metal composite oxide powder including primary particles only or primary particles and secondary particles that are aggregates of the primary particles, wherein the lithium metal composite oxide is represented by composition formula (1) and satisfies all of requirements (A), (B) and (C): | 2021-01-14 |
20210013507 | METHOD TO PRODUCE CATHODE MATERIALS FOR LI-ION BATTERIES - This invention provides an environmental friendly method for the production of high capacity cathode materials for use in Li-ion batteries. Traditional methods for producing lithium mixed metal oxide cathode materials typically generate large amounts of effluent which effluent must be treated prior to discharge. The present process uses mixed metals as raw materials, in a wet chemical reaction with an oxidant, in order to make high-quality metal hydroxide precursors which can be used to prepare high-quality cathode materials after lithiation. As a key feature, in the precursor preparation process, the bulk of the aqueous solution used for the wet chemical reaction can be recycled back to the reactor, so that the total process has little or no effluent generated during production of the cathode precursor material. | 2021-01-14 |
20210013508 | LITHIUM METAL COMPOSITE OXIDE POWDER, POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY - A lithium metal composite oxide powder, comprising: secondary particles that are aggregates of primary particles, and single particles that are present independently of the secondary particles, wherein the lithium metal composite oxide is represented by composition formula (I), and a relationship [a/(a+b)] satisfies 0.5<[a/(a+b)]<1.0 when a number of the single particles is a and a number of the secondary particles is b: | 2021-01-14 |
20210013509 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES AND METHOD FOR PRODUCING THE SAME - A positive electrode active material for non-aqueous electrolyte secondary batteries includes a lithium-nickel composite oxide particle and a coating layer attached to at least a part of a surface of the particle. The lithium-nickel composite oxide particle contains boron therein, and the coating layer contains a titanium compound. | 2021-01-14 |
20210013510 | LITHIUM-NICKEL COMPOSITE OXIDE AND METHOD OF PRODUCING LITHIUM-NICKEL COMPOSITE OXIDE - The present invention relates to a lithium-nickel composite oxide, wherein the lithium-nickel composite oxide is represented by a following general formula: Li | 2021-01-14 |
20210013511 | Positive Electrode Active Material, Method of Preparing the Same, Positive Electrode Including the Positive Electrode Active Material, and Secondary Battery Including the Positive Electrode - A positive electrode active material includes a core and a coating layer disposed on the core, wherein the core includes Li | 2021-01-14 |
20210013512 | ELECTRODE WITH INSULATION FILM, MANUFACTURING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - An electrode assembly for a lithium secondary battery including an electrode, an insulation film, a separator and a counter electrode, wherein the insulation film is formed on an entire surface of one or both sides of the electrode, and the insulation film is an organic-inorganic mixed film including inorganic particles and a binder polymer. Also discussed is a manufacturing method thereof, and a lithium secondary battery including the same. | 2021-01-14 |
20210013513 | POSITIVE ELECTRODE PLATE AND ELECTROCHEMICAL DEVICE - This application relates to a positive electrode plate and an electrochemical device. The positive electrode plate comprises a metal current collector, a positive electrode active material layer and a safety coating disposed between the metal current collector and the positive electrode active material layer; the safety coating comprises a polymer matrix, a conductive material and an inorganic filler; the positive electrode active material layer comprises Li | 2021-01-14 |
20210013514 | LITHIUM METAL SECONDARY BATTERY HAVING IMPROVED LIFE CHARACTERISTICS - A lithium metal secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a protective layer interposed between the negative electrode and the separator. The protective layer includes an additive, wherein the additive comprises a mixture of hexagonal boron nitride (BN) flakes with an ionomer having a sulfur (S)-containing anionic group and fluorine (F). | 2021-01-14 |
20210013515 | CURRENT COLLECTOR, ELECTRODE PLATE, AND BATTERY CELL USING THE SAME - A current collector with electrode tab areas of reduced resistance includes a polymer layer and a first metal layer. The polymer layer includes a first surface and a second surface opposite to the first surface. The first metal layer is arranged on the first surface, and includes a first area and a second area coupled to the first area. In the direction of a thickness of the current collector, the thickness of the second area is greater than that of the first area. The present disclosure further provides an electrode plate and a battery cell using the current collector. Due to an increase of a thickness of the second area, a charge transfer resistance of the electrode tab is greatly reduced. | 2021-01-14 |
20210013516 | SECONDARY BATTERY POSITIVE ELECTRODE, SECONDARY BATTERY POSITIVE ELECTRODE CURRENT COLLECTOR, AND SECONDARY BATTERY - This positive electrode includes: a positive electrode current collector; a positive electrode mixed material layer that is formed on at least one surface of the positive electrode current collector; and a protective layer which includes an insulating inorganic compound and a conductive material, and is interposed between the positive electrode current collector and the positive electrode mixed material layer. The protective layer includes secondary particles comprising agglomerated primary particles of the inorganic compound. The median value of the particle size of the secondary particles is 30 μm or less. | 2021-01-14 |
20210013517 | BATTERY - A battery is provided. A first conducting pole is disposed on a first outer layer and extends partially on a first sealing layer, and a first electrode is disposed on the first conducting pole and separate from the first sealing layer. A second conducting pole is disposed on a second outer layer and extends partially on the second sealing layer, and a second electrode is disposed on the second conducting pole and separate from the second sealing layer. An isolation membrane is attached to the first and second electrodes. One of two binding layers bound together is interposed between the first conducting pole and a part of the first outer layer protrusive beyond the second outer layer, the other of the two binding layers being interposed between the second conducting pole and a part of the first outer layer protrusive beyond the second outer layer. | 2021-01-14 |
20210013518 | CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND POLYELECTROLYTE FUEL CELL - A catalyst layer comprising an interface to a polyelectrolyte membrane, the catalyst layer includes a layer forming material, which includes a catalytic substance, a conductive carrier which supports the catalytic substance, a polyelectrolyte, and a fibrous material, and a plurality of pores which contain no layer forming material. A pore area ratio which is a total area ratio of the plurality of pores to an area of a cross-section orthogonal to the interface is 25.0% or more and 35.0% or less in a cross-sectional image captured by a scanning electron microscope. | 2021-01-14 |
20210013519 | MEMBRANE ELECTRODE ASSEMBLY WITH SUPPORTED METAL OXIDE - A membrane electrode assembly comprises a polymer electrolyte interposed between an anode electrode and a cathode electrode, the anode electrode comprising an anode catalyst layer adjacent at least a portion of a first major surface of the polymer electrolyte, the cathode electrode comprising a cathode catalyst layer adjacent at least a portion of a second major surface of the polymer electrolyte; at least one of the anode and cathode catalyst layers comprising: a first catalyst composition comprising a noble metal; and a second composition comprising an iridium-containing metal oxide supported on a cerium oxide support. | 2021-01-14 |
20210013520 | ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL - An electrode catalyst layer includes a catalyst material, a conductive carrier that supports the catalyst material, a polymer electrolyte containing a sulfonate group, and a fibrous material. The electrode catalyst layer includes a first surface configured to be in contact with the polymer electrolyte membrane, and a second surface facing away from the first surface. A first value is obtained by dividing a peak intensity of SO | 2021-01-14 |
20210013521 | CATALYST COMPRISING PT, NI, AND TA - Catalysts comprising nanostructured elements comprising microstructured whiskers having an outer surface at least partially covered by a catalyst material comprising at least 90 atomic percent collectively Pt, Ni, and Ta, wherein the Pt is present in a range from 32.0 to 35.7 atomic percent, the Ni is present in a range from 57.2 to 64.0 atomic percent, and the Ta is present in a range from 0.26 to 10.8 atomic percent, and wherein the total atomic percent of Pt, Ni, and Ta equals 100. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies. | 2021-01-14 |
20210013522 | CATALYST COMPRISING PT, NI, AND CR - Catalysts comprising nanostructured elements comprising microstructured whiskers having an outer surface at least partially covered by a catalyst material comprising at least 90 atomic percent collectively Pt, Ni, and Cr, wherein the Pt is present in a range from 32.4 to 35.8 atomic percent, the Ni is present in a range from 57.7 to 63.7 atomic percent, and the Cr is present in a range from 0.5 to 10.0 atomic percent, and wherein the total atomic percent of Pt, Ni, and Cr equals 100. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies. | 2021-01-14 |
20210013523 | MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - A membrane electrode assembly includes a polymer electrolyte membrane having a first surface and a second surface facing away from the first surface; an anode-side electrode catalyst layer bonded to the first surface; and a cathode-side electrode catalyst layer bonded to the second surface. The cathode-side electrode catalyst layer and the anode-side electrode catalyst layer each contain a catalyst material, a conductive carrier that supports the catalyst material, a polymer electrolyte, and a fibrous material. The thickness of the anode-side electrode catalyst layer is greater than the thickness of the cathode-side electrode catalyst layer. | 2021-01-14 |
20210013524 | MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL - A membrane electrode assembly includes a polyelectrolyte membrane having a first surface and a second surface facing away from the first surface; a fuel-electrode-side electrocatalyst layer bonded to the first surface and containing a first catalytic material, a first electrically conductive carrier, and a first polyelectrolyte, the first electrically conductive carrier carrying the first catalytic material; and an oxygen-electrode-side electrocatalyst layer bonded to the second surface and containing a second catalytic material, a second electrically conductive carrier, a second polyelectrolyte, and a fibrous material, the second electrically conductive carrier carrying the second catalytic material. The membrane electrode assembly contains voids, the voids including pores each having a size in a range of 3 nm or more and 5.5 μm or less. | 2021-01-14 |
20210013525 | ALKALINE DRY BATTERIES - An alkaline dry battery includes a battery case, a hollow cylindrical positive electrode accommodated in the battery case, a negative electrode disposed in the hollow portion of the positive electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolytic solution contained in the positive electrode, the negative electrode and the separator. The alkaline dry battery further includes a layer principally including a compound containing a polyoxyethylene group between the positive electrode and the inner surface of the battery case. | 2021-01-14 |
20210013526 | CONNECTING MATERIAL FOR SOLID OXIDE FUEL CELL, MANUFACTURING METHOD THEREOF, AND SOLID OXIDE FUEL CELL COMPRISING SAME - The present specification relates to a connecting material for a solid oxide fuel cell, comprising a conductive substrate; and a ceramic protective film provided on one surface of the conductive substrate, in which the ceramic protective film comprises an oxide represented by Formula 1, a manufacturing method thereof, and a solid oxide fuel cell comprising the same. | 2021-01-14 |
20210013527 | GAS SUPPLY SYSTEM FOR FUEL CELL VEHICLE - A gas supply system, including: a hydrogen cylinder, a depressurizing solenoid valve, a multi-purpose compressor, pressure sensors, and a control system. The hydrogen cylinder is provided thereon with the depressurizing solenoid valve or is connected to the depressurizing solenoid valve via a first pipeline. An outlet of the depressurizing solenoid valve is connected to a hydrogen inlet of the multi-purpose compressor. Air is sucked into the multi-purpose compressor and compressed therein, and compressed air is directly used for a cathode of a fuel cell stack. A first pressure sensor is arranged at the second pipeline between the depressurizing solenoid valve and the multi-purpose compressor, and a second pressure sensor is arranged at the third pipeline which is configured for discharging the compressed gas. The control system is in electrical connection with the depressurizing solenoid valve, the first pressure sensor, the second pressure sensor, and the multi-purpose compressor. | 2021-01-14 |
20210013528 | FUEL CELL - A fuel cell including an electrochemical reactor; a cooling circuit; a controller; a coolant circuit; a first temperature sensor; and a second temperature sensor. The cooling circuit includes a cooling pipe, a water pump, a radiator, a heater, and a thermostatic three-way valve. The cooling circuit is configured to cool the electrochemical reactor. The controller is configured to control operations of the electrochemical reactor and the cooling circuit. The cooling pipe includes a first water inlet and a first water outlet; and the coolant circuit is disposed between the first water inlet and the first water outlet. The first temperature sensor is disposed at the first water inlet. The second temperature sensor is disposed at the first water outlet. The first temperature sensor and the second temperature sensor are configured to detect and transmit temperature data of a coolant in the cooling pipe to the controller. | 2021-01-14 |
20210013529 | FUEL CELL SYSTEM AND METHOD FOR CONTROLLING FUEL CELL SYSTEM - A fuel cell system comprises: a gas-liquid separator separating exhaust gas of a fuel cell stack into a liquid component and a gas component and storing liquid water of the liquid component; a circulation pipe; a drain pipe discharging the liquid water; and a drain valve opening and closing the drain pipe. In an end scavenging process that is executed when operation of the fuel cell system is finished, the control unit opens the drain valve when a valve opening condition for the drain valve is satisfied. The valve opening condition is set such that an amount of the liquid water stored in the gas-liquid separator at the time the drain valve is opened in the end scavenging process is larger than an amount of the liquid water stored in the gas-liquid separator at the time the drain valve is opened during normal operation of the fuel cell system. | 2021-01-14 |
20210013530 | METHOD OF PREDICTING LIFE OF MEMBRANE ELECTRODE ASSEMBLY OF FUEL CELL FOR ELECTRIC POWER GENERATION - A method of predicting a life of a membrane electrode assembly (MEA) of a fuel cell for electric power generation includes: deriving an operating condition for accelerated degradation, which is applicable to the fuel cell; operating the fuel cell for a specific time under the derived operating condition for accelerated degradation and under a normal operating condition, and identifying the degree of degradation of the fuel cell under each of the operating conditions; calculating an acceleration multiple based on the degree of degradation identified under the operating condition for accelerated degradation and under the normal operating condition; and predicting the life of the membrane electrode assembly based on the acceleration multiple. | 2021-01-14 |
20210013531 | Systems and Methods for the Production and Use of Both Hydrogen and Electricity - Systems and methods for the production and use of both hydrogen and electricity. Embodiments of the disclosure include preparing processed hydrogen gas and regulated electricity from an energy source, and use of the gas and electricity in applications such as fuel cell electric vehicles and diesel supplementation. | 2021-01-14 |
20210013532 | FUEL CELL STACK - A fuel cell stack includes a reaction layer having a MEA, an anode separator having a gas channel formed at a first side facing the reaction layer and through which a first reactant gas flows, and a cooling channel formed at a second side and through which a coolant flows. The anode separator abuts the reaction layer. A cathode separator abuts anode separator so that a first side of the cathode separator covers the cooling channel. A porous structural unit has a partition wall protruding from the second side of the cathode separator and has a flow path for a second reactant gas to minimize a cooling temperature deviation and improve operational efficiency. | 2021-01-14 |
20210013533 | SEPARATOR OF A MICROBIAL FUEL CELL - The present invention is related to a separator of a microbial fuel cell comprising: a porous supporting material and a C hydrogel, wherein the hydrogel is introduced in pores of the porous supporting material. | 2021-01-14 |
20210013534 | ELECTROLYTE LAYER-ANODE COMPOSITE MEMBER AND CELL STRUCTURE - An electrolyte layer-anode composite member includes an anode including a first metal oxide having a perovskite crystal structure, and a solid electrolyte layer including a second metal oxide having a perovskite crystal structure, the anode including at least one of nickel and a nickel compound, the anode having a sheet-like shape, the solid electrolyte layer having a sheet-like shape, the solid electrolyte layer being stacked on the anode, the anode having a thickness Ta of 850 μm or more. The thickness Ta of the anode and a thickness Te of the solid electrolyte layer may satisfy a relation of 0.003≤Te/Ta≤0.036. The thickness Ta of the anode and a diameter Da of the anode may satisfy a relation of 55≤Ta/Da≤300. | 2021-01-14 |
20210013535 | METAL-SUPPORTED CELL AND METHOD FOR MANUFACTURING METAL-SUPPORTED CELL - A metal-supported cell is configured by stacking a plurality of layers including an electrolyte layer, an electrode layer and a metal support layer. The electrolyte layer has compressive residual stress along a planar direction, and at least one layer of the plurality of layers other than the electrolyte layer has a tensile residual stress along the planar direction. | 2021-01-14 |
20210013536 | MEMBRANES FOR AQUEOUS REDOX FLOW BATTERIES - The present invention provides a membrane comprising a polyamine polymer. In another embodiment, the present invention provides an electrochemical cell comprising a membrane of the present invention; a positive electrode; and a negative electrode. In another embodiment, the present invention provides a composition comprising a polyamine polymer of Formula J, I or II. | 2021-01-14 |
20210013537 | CLAMPING SYSTEM FOR FUEL CELL STACK, AND FUEL CELL SYSTEM COMPRISING SUCH A CLAMPING SYSTEM - A fuel cell system comprises a clamping system for a fuel cell stack, the clamping system including a plurality of disc springs. The disc springs are connected together in a bonded and/or force-fitting manner on a plane perpendicular to an axis of rotational symmetry running through the center of the circle described by the disc. | 2021-01-14 |
20210013538 | SECONDARY BATTERY - The present disclosure provides a secondary battery, which comprises an electrode assembly and a pouch. The pouch comprises a first packaging film and a second packaging film, the second packaging film and the first packaging film are integrally formed, and the second packaging film extends from an edge of the first packaging film in a longitudinal direction and bends back to the first packaging film. The electrode assembly is provided between the first packaging film and the second packaging film. The first packaging film and the second packaging film are connected outside the electrode assembly to form a sealing portion, the sealing portion comprises a side sealing region and a bottom sealing region. The side sealing region is provided at an outer side of the electrode assembly in a transverse direction, and the side sealing region bends in a direction close to the electrode assembly. The bottom sealing region is provided at a side of the electrode assembly close to a position where the second packaging film bends back, and the bottom sealing region is connected with the side sealing region. | 2021-01-14 |
20210013539 | BATTERY MANUFACTURING METHOD - A battery manufacturing method includes forming a unit cell having a positive electrode that is obtained by a positive electrode active material layer containing an electrolytic solution being disposed on a positive electrode current collector, a negative electrode that is obtained by a negative electrode active material layer containing an electrolytic solution being disposed on a negative electrode current collector, and a separator interposed between the positive electrode and the negative electrode. The battery manufacturing method further includes applying pressure to one unit cell or with two or more stacked unit cells from the stacking direction, and charging the one unit cell or the two or more stacked unit cells after applying of the pressure. The method is performed such that the positive electrode and the negative electrode are formed without an application film being subjected to a drying process performed through heating. | 2021-01-14 |
20210013540 | HIGH-ENERGY-DENSITY SECONDARY LITHIUM-ION BATTERY - The present invention provides a high-energy-density secondary lithium-ion battery, including: a lithium-ion cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, a MicroUSB interface, a plastic structural part, a square rigid FR-4 substrate, a circular rigid FR-4 substrate and a metal cap, for integrating three functions of a constant voltage output, charge management and protection, overcharge and overdischarge protection, and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a high energy density of the battery, and is also conducive to improving the reliability. | 2021-01-14 |
20210013541 | COMPOSITE ELECTRODE CONTAINING SULFIDE-BASED SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY USING SAME - Example embodiments of the present invention provide an all-solid-state battery. The all-solid-state battery comprises a solid electrolyte layer, a positive electrode layer disposed on one side of the solid electrolyte layer, and a negative electrode layer disposed on the other side of the solid electrolyte layer. At least one of the positive electrode layer and the negative electrode layer is provided with a composite electrode layer comprising an electrode active material and a solid electrolyte. The solid electrolyte comprises a mixture of a sulfide-based glass ceramic and a sulfide-based crystalline. The all-solid-state battery according to the embodiment of the present invention has an excellent contact area between particles in the composite electrode included in the all-solid-state battery, so that the electrochemical characteristics of the all-solid-state battery including the same can be improved. | 2021-01-14 |
20210013542 | Sulfide-Based Solid Electrolyte Particles - A sulfide-based solid electrolyte particle having a crystal phase of a cubic argyrodite-type crystal structure composed of Li, P, S and a halogen (Ha. The proposed sulfide-based solid electrolyte particle has a feature such that the ratio (Z | 2021-01-14 |
20210013543 | SOLID ELECTROLYTE SHEET, NEGATIVE ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND METHOD OF MANUFACTURING ALL-SOLID STATE SECONDARY BATTERY - Provided are a method of manufacturing a solid electrolyte sheet including: a step of performing preforming on inorganic solid electrolyte particles containing solid particles plastically deformable at 250° C. or lower; and a step of performing shearing processing on one surface of the obtained preformed body, in which a solid electrolyte layer consisting of the inorganic solid electrolyte particles is formed, and a method of manufacturing a negative electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery, which include the method of manufacturing a solid electrolyte sheet. | 2021-01-14 |
20210013544 | SOLID ELECTROLYTE SHEET, NEGATIVE ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND METHOD OF MANUFACTURING ALL-SOLID STATE SECONDARY BATTERY - Provided are a method of manufacturing a solid electrolyte sheet including: heating a preformed body that is obtained by performing pre-pressure-forming on inorganic solid electrolyte particles containing solid particles plastically deformable at 250° C. or lower at a specific temperature or on inorganic solid electrolyte particles containing solid particles that have a thermal decomposition temperature of 250° C. or lower and that are plastically deformable at 250° C. or lower at a specific temperature and then performing pre-pressure-forming at a specific temperature to form a solid electrolyte layer consisting of inorganic solid electrolyte particles, a method of manufacturing a negative electrode sheet for an all-solid state secondary battery, and a method of manufacturing an all-solid state secondary battery, which include the method of manufacturing a solid electrolyte sheet. | 2021-01-14 |
20210013545 | ELECTROLYTE SOLUTION FOR A LITHIUM ION CELL - An electrolyte solution for a lithium-ion cell includes at least one organic carbonate solvent, at least one lithium salt including a non-coordinating anion and at least one polyfluorinated alkoxy olefin according to the general formula I, the general formula II, or the general formula III:
| 2021-01-14 |
20210013546 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The present invention relates to an electrolyte for a rechargeable lithium, battery and a rechargeable lithium battery including same, wherein the electrolyte for a rechargeable lithium battery may comprise: a non-aqueous organic solvent, a lithium salt, a first additive containing a compound represented by chemical formula 1, and a second additive containing a magnesium salt. | 2021-01-14 |
20210013547 | RECHARGEABLE NON-AQUEOUS SODIUM-AIR BATTERIES - An electrochemical device includes an air cathode using air as the cathodic gas; a discharge product of sodium peroxide dihydrate; an anode comprising sodium metal; a porous fiber separator; and a non-aqueous electrolyte comprising a sodium salt and a solvent. | 2021-01-14 |
20210013548 | ALL SOLID TYPE THREE-DIMENSIONAL BATTERY AND METHOD OF MANUFACTURING THE SAME - An all solid type three-dimensional (“3D”) battery may include a cathode collector, a cathode structure in contact with the cathode collector, an electrolyte structure in contact with the cathode structure, an anode structure in contact with the electrolyte structure, the anode structure not being in contact with the cathode structure and the cathode collector, and an anode collector in contact with the anode structure, where the electrolyte structure is in contact with the cathode collector around the cathode structure. An entirety of a surface of the cathode structure which is used for a battery operation may be in contact with the cathode collector and the electrolyte structure. | 2021-01-14 |
20210013549 | THIN FILM LITHIUM ION BATTERY, PREPARATION METHOD THEREOF, AND TERMINAL - The present application provides a thin film lithium ion battery, a preparation method thereof, and a terminal, where the thin film lithium ion battery includes: a base body which is provided with a groove and/or a protrusion; a thin film lithium ion battery cell which is provided on the base body, and covers the groove and/or the protrusion; and a first external electrode and a second external electrode which are configured to connect the thin film lithium ion battery cell to an external component. The thin film lithium ion battery in the present application uses the base body structured with the groove and/or the protrusion, which may increase the area of the thin film lithium ion battery, thus increasing the capacity of the thin film lithium ion battery. | 2021-01-14 |
20210013550 | LITHIUM OXYHALIDE ELECTROCHEMICAL CELL DESIGN FOR HIGH-RATE DISCHARGE - A novel wound electrode assembly for a lithium oxyhalide electrochemical cell is described. The electrode assembly comprises an elongate cathode of an electrochemically non-active but electrically conductive carbonaceous material disposed between an inner elongate portion and an outer elongate portion of a unitary lithium anode. That way, lithium faces the entire length of the opposed major sides of the cathode. This inner anode portion/cathode/outer anode portion configuration is rolled into a wound-shaped electrode assembly that is housed inside a cylindrically-shaped casing. A cylindrically-shaped sheet-type spring centered in the electrode assembly presses outwardly to limit axial movement of the electrode assembly. In one embodiment, all the non-active components, except for the cathode current collector which is nickel, are made of stainless-steel. This provides the cell with a low magnetic signature without adversely affecting the cell's high-rate capability. | 2021-01-14 |
20210013551 | ELECTRICAL ENERGY STORAGE DEVICE, AN ELECTROLYTE FOR USE IN AN ELECTRICAL ENERGY STORAGE DEVICE, AND A METHOD OF PREPARING THE DEVICE - An electrolyte for use in an electrical energy storage device includes: a hydrogel and an electrolytic solution retained by the hydrogel; and a polymeric layer substantially encapsulating the hydrogel and forming at least one crosslinked structure with the hydrogel; wherein the polymeric layer is arranged to prevent water escaping from the hydrogel structure. | 2021-01-14 |
20210013552 | BIPOLAR AQUEOUS INTERCALATION BATTERY STACK AND ASSOCIATED SYSTEM AND METHODS - A bipolar battery stack incorporating aqueous intercalation battery (AIB) materials is described. The bipolar AIB battery stack can include anode layers made from anode intercalation materials, The disclosed bipolar AIB stack can provide low impedance, rapid manufacturing, and low materials costs. Due to the inherently safe nature of the AIB materials, the requirements for heat removal are significantly relaxed and no requirements exist for cell bypass, Accordingly, the disclosed bipolar AIB stack configuration provides a durable and cost-effective energy storage battery for many renewable applications. | 2021-01-14 |
20210013553 | RECHARGEABLE BATTERY - A rechargeable battery may include a housing and a plurality of rechargeable battery cells accommodated in an internal volume of the housing. The housing may include a first housing part and a second housing part. A tension rod may undoably couple the first housing part and the second housing part. The tension rod may include a bolt and a bolt head. The bolt may be guided through the internal volume and may include a structure configured to form an undoable connection with a counter-structure arranged on the first housing part. The second housing part may include a feed-through orifice open to the internal volume and a surrounding environment of the housing. A plug may, when in an open position, open up a fluidic drain path from the internal volume to the surrounding environment of the housing. The plug may also, when in a closed position, shut off the drain path. | 2021-01-14 |
20210013554 | Method and Control Unit for Monitoring an Energy Accumulator - During an operation of the energy accumulator, a control unit is designed to detect event data relating to different charging/discharging events of the energy accumulator. The event data for a charging/discharging event indicates an event discharge depth of the energy accumulator within the scope of the charging discharging event. In addition, the control unit is designed to determine a discharge depth distribution based on the discharge data, which indicates a number of charging/discharging events with a corresponding event discharge depth for different discharge depths during the operation of the energy accumulator. The control unit is designed to determine status data relating to a cumulative charging of the energy accumulator based on the discharge depth distribution and based on a discharge depth characteristic curve of the energy accumulator, and/or to adjust an operating strategy for the energy accumulator depending on the discharge depth distribution and the discharge depth characteristic curve. | 2021-01-14 |
20210013555 | LITHIUM REPLENISHING RECHARGEABLE BATTERIES - An electrochemical cell, including a first electrode, a first volume of electrolyte in contact with the first electrode, a second volume of electrolyte, a first separator positioned between the first volume and the second volume, a second electrode in contact with the second volume, and a third volume of electrolyte. A second separator is positioned between the second volume and the third volume. A lithium reservoir electrode is in contact with the third volume. | 2021-01-14 |
20210013556 | LARGE-CAPACITY SECONDARY BATTERY - The present invention provides a large-capacity secondary battery, including: a rechargeable cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, an LED lamp, a plastic part, a circular rigid FR-4 substrate, a metal cap, an insulation pad and an insulation heat shrink film, for integrating multiple functions of a constant voltage output, charge management and protection, and overcharge, overdischarge and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a large capacity of the battery. | 2021-01-14 |
20210013557 | ENERGY STORAGE CANOPY - An energy storage canopy associated with a local building is provided. The energy storage canopy includes support members that can support compartments, which may be integral with or removable from the energy storage canopy. Each compartment includes a plurality of high capacity batteries to store electrical energy, at least one power conditioner to allow coupling high capacity batteries to the power grid and/or the AC distribution panel of the local building, and a refrigerant energy storage tank containing a working fluid. The refrigerant energy storage tank contains piping or ductwork to be in fluid communication with the HVAC system, refrigerant system, or atmosphere of the local building to provide stored refrigerant energy to the local building. | 2021-01-14 |
20210013558 | BATTERY RACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAME - A battery pack includes a plurality of battery modules, each battery module having at least one battery cell; a rack case configured to accommodate the plurality of battery modules, the rack case haying a plurality of air circulation units; an isolation unit mounted to the rack case and configured to be slidable to expose or seal the plurality of air circulation units; and a control unit electrically connected to the isolation unit to control the sliding operation of the isolation unit. | 2021-01-14 |
20210013559 | THERMAL MANAGEMENT SYSTEM FOR VEHICLE BATTERY AND METHOD OF CONTROLLING THE SAME - A thermal management system for a vehicle battery is disclosed. The system includes a reservoir tank, which is positioned outside a vehicle and which stores refrigerant therein, a refrigerant supply line for supplying the refrigerant from the reservoir tank to a heat exchange circuit, which exchanges heat with the battery mounted in the vehicle, a refrigerant recovery line for recovering the refrigerant discharged from the heat exchanger circuit, a cable, which is connected at one end thereof to the reservoir tank and which includes therein the refrigerant supply line or the refrigerant recovery line, and a connector provided at a remaining end of the cable, which serves to connect the refrigerant supply line or the refrigerant recovery line in the cable to an inlet or an outlet of the heat exchange circuit when the connector is coupled to the vehicle. | 2021-01-14 |
20210013560 | ENERGY STORAGE SYSTEM HAVING STRUCTURE CAPABLE OF DISSIPATING HEAT TO ADJACENT BATTERY MODULES - An energy storage system includes a pair of rack frames spaced apart from each other and arranged side by side; a plurality of L brackets fastened to the rack frames; a plurality of battery modules respectively placed on a pair of L brackets facing each other to form a plurality of layers along a longitudinal direction of the rack frame; a first heat transfer member interposed between the battery module and the L bracket; and a second heat transfer member interposed between the rack frame and the L bracket. | 2021-01-14 |
20210013561 | ARRAY FRAME DESIGN FOR ELECTRIFIED VEHICLE BATTERY ARRAYS - A battery array frame according to an exemplary aspect of the present disclosure includes, among other things, a frame body, and a thermal fin including a body embedded in the frame body and a leg that extends outside of the frame body. The thermal fin is flexible between a first position in which the leg is spaced farther from a surface of the frame body and a second position in which the leg is spaced closer to the surface of the frame body. | 2021-01-14 |
20210013562 | POWER STORAGE MODULE AND POWER STORAGE MODULE PACK - A power storage module comprises: a frame body; a plurality of power storage cells accommodated in the frame body; a bridging portion that is provided inside the frame body and connects an upper portion and a lower portion of the frame body to each other; and two flange portions that are provided outside the frame body and project in directions opposite to each other. The two flange portions are located above a central portion of the frame body in a height direction. | 2021-01-14 |
20210013563 | Battery Module, Battery Pack Comprising Battery Module, and Vehicle Comprising Battery Pack - A battery module according to an embodiment of the present disclosure includes: at least one battery cell; a bus bar assembly connected to an electrode lead of the at least one battery cell and positioned on both side surfaces of the at least one battery cell; and a heatsink assembly positioned in direct contact with both of the at least one battery cell and the bus bar assembly while surrounding both of the at least one battery cell and the bus bar assembly. | 2021-01-14 |
20210013564 | ELECTRIC VEHICLE - Provided is an electric vehicle equipped with a battery mounted on a vehicle and capable of being charged by supplying electric power from outside of the vehicle; a temperature adjuster configured to adjust a temperature of the battery; and an air conditioner configured to control air-conditioning in a passenger compartment by a predetermined schedule, in which, if both an operating condition of the temperature adjuster and an operating condition of the air conditioner are established, the air conditioner operates after the temperature adjuster operates for a predetermined time. | 2021-01-14 |
20210013565 | COOLANT DISTRIBUTOR - The present invention refers to a coolant distributor for a battery module housing with a hollow profile enclosing a coolant channel and a plurality of coolant junctions, each extending through a first portion of the hollow profile and providing a fluid connection between the coolant channel and a coolant port. The invention further relates to a battery module housing with a bottom plate comprising a plurality of embedded coolant ducts and a coolant distributor according to the invention that is welded to the bottom plate, such that each of the plurality of coolant ports is aligned with one of a plurality of inlet openings of the coolant ducts. The present invention further relates to a battery system housing, comprising a plurality of battery module housings according to the invention and a plurality of pipe couplings for interconnecting adjacent battery module housings, and to the pipe coupling. | 2021-01-14 |
20210013566 | TRANSITION METAL PHOSPHIDES FOR HIGH EFFICIENT AND LONG CYCLE LIFE METAL-AIR BATTERIES - An electrochemical cell and method of use, including an anode of metal, an air permeable cathode, an electrolyte between the anode and the cathode, and a transition metal phosphide catalyst on the cathode or between the cathode and the electrolyte. Also, a method of generating electrical current with an electrochemical cell by introducing a transition metal phosphide catalyst on a cathode side of the electrochemical cell. The catalyst can be in the form of any suitable nanostructure, such as molybdenum phosphide nanoflakes. | 2021-01-14 |
20210013567 | SOLID-STATE MELANIN BATTERY - A solid-state battery is provided. The battery includes a melanin structure formed of at least one melanin material embedded in an inert material, and first and second metal bands which serve as first and second electrodes, respectively. The melanin material is selected from the group consisting of melanin, melanin precursors, melanin derivatives, melanin analogs and melanin variants. The solid-state battery does not need to be recharged or reloaded. | 2021-01-14 |
20210013568 | OMT Assembly and OMT Apparatus - An orth-mode transducer (OMT) assembly, including an OMT common port, an OMT feeder, and a polarization separated core. An input end of the OMT common port is connected to a single polarization antenna, one end of the OMT feeder is connected to an output end of the OMT common port, and an other end of the OMT feeder is connected to the polarization separated core, the OMT feeder has a tubular structure, and horizontal and vertical axes of an inner wall cross section of the OMT feeder are unequal, or a tuning rod is disposed in a tube of the OMT feeder and is perpendicular to an extension direction of the tube, and a vertical polarization port and a horizontal polarization port are disposed in the polarization separated core, the vertical polarization port transmits a vertical polarization wave, and the horizontal polarization port transmits a horizontal polarization wave. | 2021-01-14 |
20210013569 | LOW LOSS MICROELECTROMECHANICAL SYSTEM (MEMS) PHASE SHIFTER - A phase shifter comprising an actuator coupled to a dielectric. When the dielectric is inserted into the waveguide in response to actuation by the actuator, the phase velocity of the incoming electromagnetic wave is decreased, resulting in a phase shift of the electromagnetic wave. A desired phase shift and a low insertion loss can be controlled by positioning of the dielectric and engineering the permittivity of the dielectric. | 2021-01-14 |
20210013570 | DC-CAPABLE CRYOGENIC MICROWAVE FILTER WITH REDUCED KAPITZA RESISTANCE - An architecture for, and techniques for fabricating, a cryogenic microwave filter having reduced Kapitza resistance are provided. In some embodiments, the cryogenic microwave filter can comprise a substrate and a conductive line. The substrate can be formed of a material having a thermal conductivity property that sufficiently reduces Kapitza resistance in the cryogenic environment. The conductive line can be formed in a recess of the substrate and facilitate a filter operation on a microwave signal propagated in a cryogenic environment. In some embodiments, the conductive line can be formed according to a sintering technique that can reduce Kapitza resistance. | 2021-01-14 |
20210013571 | COMPACT NON-RECIPROCAL CIRCUIT ELEMENT - The purpose of the present disclosure is to improve, in a design and configuring method of a non-reciprocal circuit element such as an isolator or a circulator, the design and configuring method so as to be suitable for miniaturization and mass production. Protrusions formed in a lower case of a device are assembled to openings formed in a cover case. Here, the cover case is aligned to be matched to the position of the protrusions of a lower case by means of a guide structure provided in the cover case, and the protrusions of the lower case and the openings of the cover case are assembled to each other. | 2021-01-14 |
20210013572 | POWER AMPLIFIER WITH SHIELDED TRANSMISSION LINES - A power amplifier module includes a first phase shifter, a second phase shifter, and an electromagnetic shield. The first phase shifter includes a first transmission line assembly to shift a first amplified signal by a first phase angle. The second phase shifter includes a second transmission line assembly to shift a second amplified signal by a second phase angle. The electromagnetic shield is arranged to shield the first transmission line assembly from the second transmission line assembly. The power amplifier module may have, for example, Doherty amplifier configuration. | 2021-01-14 |
20210013573 | MULTILAYER TRANSMISSION LINE - A multilayer transmission line includes a multilayer substrate. The multilayer substrate includes a plurality of conductor layers stacked in a predetermined direction with dielectric layers interposed therebetween. The conductor layers in an inner layer part include ground planes, respectively. The inner layer part includes a conductor hole part. The conductor hole part is provided penetrating the respective ground planes in the inner layer part in the predetermined direction. The conductor hole part includes a conductor part to electrically connect the ground planes together. The conductor layer in an outer layer part includes a transmission line and a conversion part. The outer layer part includes the conductor layer as the outermost layer and an inner conductor layer. | 2021-01-14 |
20210013574 | HALF-PATCH LAUNCHER TO PROVIDE A SIGNAL TO A WAVEGUIDE - An apparatus includes a signal splitter configured to receive an input signal for transmission and to split the input signal to form two or more sub-signals. The apparatus further includes a first amplifier configured to generate a first amplified sub-signal, a second amplifier configured to generate a second amplified sub-signal, a first launcher coupled to the first amplifier and to a waveguide, and a second launcher coupled to the second amplifier and to the waveguide. The first and second launchers are coupled to the waveguide such that a first radiative signal generated by the first launcher responsive to the first amplified sub-signal and a second radiative signal generated by the second launcher responsive to the second amplified sub-signal are combined in the waveguide to form a transmission signal corresponding to the input signal. | 2021-01-14 |
20210013575 | WAVEGUIDE FOR TRANSMITTING ELECTROMAGNETIC WAVE SIGNALS - According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a first dielectric part comprising a dielectric; a conductor part covering a part of the first dielectric part; and a second dielectric part surrounding the first dielectric part and the conductor part. | 2021-01-14 |
20210013576 | High-Frequency Connection Structure - A high frequency connection structure includes: a waveguide; a ridge coupler constituted by a conductor formed inside one end of the waveguide; a transmission line adjacent to the one end of the waveguide; an inductance adjustment structure which is provided between the ridge coupler and the transmission line and which adjusts ground inductance that is created due to a connection between the ridge coupler and the waveguide; and a wire which connects one end of the ridge coupler on a side of the transmission line and one end of the transmission line with each other. | 2021-01-14 |
20210013577 | CONNECTOR FOR COUPLING WAVEGUIDE WITH BOARD - According to one aspect of the invention, there is provided a connector for connecting a waveguide and a board, comprising: a first opening part formed in a direction perpendicular to one side of a board and coupled to the one side of the board; a second opening part formed in a direction parallel to a longitudinal direction of a waveguide for signal transmission, wherein the waveguide is capable of being coupled to the second opening part; and a signal guide part connecting the first and second opening parts and including a hollowness surrounded by a conductive layer therein. | 2021-01-14 |
20210013578 | INTERCONNECTION INCLUDING A HYBRID CABLE ASSEMBLY AND A CIRCUIT BOARD ASSEMBLY - An interconnection includes a circuit board assembly and a hybrid cable assembly. The circuit board assembly includes first and second outer layer assemblies and an intermediate layer assembly. The first and second outer layer assemblies each include an electrically conductive layer. A cable-receiving space is formed at a first side edge of the circuit board assembly. The hybrid cable assembly includes a dielectric waveguide system having a core and a cladding and being configured to transmit a radar wave in a frequency range from about 70 to about 300 GHz. A first conductor system configured to transmit power and/or data is disposed adjacent to the dielectric waveguide system and includes an electrically conductive inner conductor assembly inserted into the cable-receiving space and galvanically connected to a first inner-conductor connection region. The core of the dielectric waveguide system is inserted into the cable-receiving space and disposed at a waveguide connection region. | 2021-01-14 |
20210013579 | DIRECTIONAL COUPLER - A directional coupler ( | 2021-01-14 |
20210013580 | METHODS AND APPARATUSES FOR TUNING A FILTER - The present application describes a method of tuning a printed device. The method includes measuring a frequency response of a target device and a device under tune (DUT). The method includes computing, based on the measured frequency response, a coupling matrix for the target device and a coupling matrix for the DUT. The method also includes extracting eigenvalues for the coupling matrix of the target device and a first set of eigenvalues for the coupling matrix of the DUT. The eigenvalues of the target device are different than the first set of eigenvalues of the DUT. The method further includes tuning the DUT with a material removal source. The method even further includes measuring a second set of eigenvalues of the DUT. The second set of eigenvalues is different from the first set of eigenvalues of the DUT. The method yet even further includes calculating a tune path for iterative convergence of the second or a subsequent set of eigenvalues of the DUT with the eigenvalues of the target device. The method still even further includes observing the iterative convergence of the DUT and the target device. | 2021-01-14 |
20210013581 | DEPLOYABLE CONICAL SPACE ANTENNA AND ASSOCIATED METHODS - An outer space deployable antenna may include a ground plane and a flexible antenna coupled to the ground plane and moveable between a flat stored configuration and a conical deployed configuration. The flexible antenna may include a dielectric layer and a plurality of antenna arms. The flexible antenna may have a circular shape with a circular sector notch in the flat stored configuration that closes in the conical deployed configuration. | 2021-01-14 |
20210013582 | RADIO FREQUENCY MODULES WITH MILLIMETER-WAVE AIR-GAP PHASED-ARRAY ANTENNA - A radio frequency module includes: a primary board including: an upper surface carrying a radio controller; and a lower surface carrying antenna control elements; a spacer affixed to the lower surface and having a predefined height extending away from the lower surface; and a secondary board affixed to the spacer, separated from the lower surface by an air gap having the predetermined height; the secondary board supporting a phased array of antenna elements. | 2021-01-14 |
20210013583 | ELECTRONIC PACKAGE - An electronic package is provided. A functioning member having a concave portion and a second antenna portion is disposed on a carrier having a first antenna portion. The concave portion and the carrier form a functioning space. The first antenna portion and the second antenna portion are disposed in a projection space of the functioning space. The first antenna portion induces the second antenna portion. | 2021-01-14 |
20210013584 | COMMUNICATION DEVICE - A communication device is provided here. The communication device includes a metal cover, a first radiator, and a second radiator. The metal cover includes a slot. The first radiator overlaps the slot in a first direction. A portion of the second radiator overlaps a portion of the first radiator in the first direction. | 2021-01-14 |
20210013585 | SEMICONDUCTOR DEVICE PACKAGE AND METHOD OF MANUFACTURING THE SAME - A semiconductor device package includes a substrate and an antenna module. The substrate has a first surface and a second surface opposite to the first surface. The antenna module is disposed on the first surface of the substrate with a gap. The antenna module has a support and an antenna layer. The support has a first surface facing away from the substrate and a second surface facing the substrate. The antenna layer is disposed on the first surface of the support. The antenna layer has a first antenna pattern and a first dielectric layer. | 2021-01-14 |