30th week of 2021 patent applcation highlights part 65 |
Patent application number | Title | Published |
20210234158 | ACTIVE MATERIAL, AND POSITIVE ELECTRODE MIXTURE AND SOLID-STATE BATTERY THAT USE SAID ACTIVE MATERIAL - Disclosed is an active material that can reduce an interface resistance with a sulfide solid electrolyte and improve the battery performance. The active material exhibits at least one peak in the range of from 0.145 nm to 0.185 nm and at least one peak in the range of from 0.28 nm to 0.31 nm in a radial distribution function obtained through measurement of an X-ray absorption fine structure of the active material. The active material is for use in a solid-state battery. The active material preferably has a core particle, and a coating layer located on the surface of the core particle. | 2021-07-29 |
20210234159 | SULFUR-CARBON COMPOSITE, METHOD FOR PREPARING THE SAME, AND POSITIVE ELECTRODE FOR LITHIUM-SULFUR BATTERY AND LITHIUM-SULFUR BATTERY COMPRISING THE SAME - A composite including a sulfur-carbon composite and a coating layer on a surface of the sulfur-carbon composite, the coating layer including a porous carbon material and a point contact binder is disclosed. Also disclosed is a method for preparing the same, and a positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same. | 2021-07-29 |
20210234160 | Positive Electrode for Secondary Battery, Method of Preparing the Same, and Lithium Secondary Battery Including the Same - The present disclosure provides a positive electrode for a secondary battery which includes a positive electrode active material and a lithium-based alloy. Also, the present disclosure provides a method of preparing the positive electrode for a secondary battery which includes the steps of forming a positive electrode material mixture layer including a positive electrode active material and forming a coating layer including a lithium-based alloy on the positive electrode material mixture layer, or forming a positive electrode material mixture layer by coating a positive electrode collector with a slurry for forming a positive electrode, which includes a positive electrode active material and a lithium-based alloy, and rolling the positive electrode collector. | 2021-07-29 |
20210234161 | NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE INCLUDING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE - A negative electrode active material including a core including silicon, and a coating layer disposed on the core and including a coating material, wherein the coating material includes at least one selected from the group consisting of Li | 2021-07-29 |
20210234162 | NEGATIVE ELECTRODE SLURRY FOR LITHIUM SECONDARY BATTERY, AND PREPARATION METHOD THEREOF - A negative electrode slurry and a method of preparing the same. The negative electrode slurry includes lithium titanium oxide (LTO), a carboxylic acid-containing polymer dispersant, a binder, and an aqueous solvent. The carboxylic acid-containing polymer dispersant has a weight average molecular weight (Mw) of 2,500 g/mol to 500,000 g/mol and is present in an amount of 1.5 parts by weight to 20 parts by weight with respect to 100 parts by weight of the lithium titanium oxide. | 2021-07-29 |
20210234163 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, METHOD FOR EVALUATING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for non-aqueous electrolyte secondary battery containing a lithium-nickel-manganese composite oxide formed of secondary particles with a plurality of aggregated primary particles, in which the positive electrode active material is represented by a general formula (1): LidN | 2021-07-29 |
20210234164 | Method of Washing Positive Electrode Active Material, and Positive Electrode Active Material Prepared Thereby - A method of washing a positive electrode active material includes (1) preparing a lithium composite transition metal oxide which contains Ni, Co and Mn, and has the Ni content of 60 mol % or more; (2) putting the lithium composite transition metal oxide into water; and (3) adding a weak acid to water to which the lithium composite transition metal oxide is added to adjust the pH to 7 to 10, wherein the acid is a weak acid. | 2021-07-29 |
20210234165 | NICKEL ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING NICKEL ACTIVE MATERIAL PRECURSOR, NICKEL ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY PRODUCED BY METHOD, AND LITHIUM SECONDARY BATTERY HAVING CATHODE CONTAINING NICKEL ACTIVE MATERIAL - Provided are a nickel-based active material precursor for a lithium secondary battery including a core, an intermediate layer located on the core, and a shell located on the intermediate layer, wherein porosity gradually decreases in the order of the core, the intermediate layer, and the shell, and each of the intermediate layer and the shell has a radial arrangement structure, a method for producing the nickel-based active material precursor, a nickel-based active material produced therefrom, and a lithium secondary battery including a cathode containing the nickel-based active material. | 2021-07-29 |
20210234166 | Oxidative Delithiation of Alkali Nickel Oxide - Provided are methods of preparing an electrochemically active cathode material including the steps of combining an alkali metal-containing nickel oxide having a formula A | 2021-07-29 |
20210234167 | POROUS GRAPHENE/CARBON COMPOSITE BALLS FOR AN ALKALI METAL BATTERY ANODE - Provided is an anode for a lithium battery or sodium battery, the anode comprising multiple porous graphene composite balls, wherein the porous graphene composite ball comprises a plurality of graphene sheets and an ion-conducting material, at a graphene-to-ion-conducting material weight ratio from 2/98 to 98/2, forming into the ball having a diameter from 100 nm to 20 μm and a pore or multiple pores having a pore volume fraction from 10% to 99.9% based on the total porous graphene composite ball volume. | 2021-07-29 |
20210234168 | NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER WITH CONTROLLED REFLECTANCE AND LITHIUM ION SECONDARY BATTERY - A negative electrode includes a current collector and a negative electrode active material layer that is provided on the current collector and includes a negative electrode active material. The negative electrode active material includes a carbon material, and a surface of the negative electrode active material layer has a spectral reflectance Ra in a range of 7.0≤Ra≤10.8% at a wavelength of 550 nm. | 2021-07-29 |
20210234169 | ELECTRICITY STORAGE DEVICE, METHOD FOR PRODUCING ELECTRICITY STORAGE DEVICE, AND ELECTROLYTIC PLATING METHOD - An electricity storage device includes a stack of bipolar electrodes each including a steel sheet, and a plating layer provided on a surface of the steel sheet. The plating layer includes a base nickel-plating layer provided on the surface of the steel sheet, and a surface nickel-plating layer provided on the base nickel-plating layer, and having a surface roughness greater than that of the base nickel-plating layer. | 2021-07-29 |
20210234170 | Cathode For Solid-State Electrochemical Cell Having Elemental Dopant In Grain Boundaries - A solid-state cathode for a solid-state electrochemical cell includes an electrochemically active cathode material and one or more elemental dopant residing in grain boundaries of the electrochemically active cathode material. The grain boundaries contain at least 0.2 wt % of the one or more elemental dopant and the one or more elemental dopant is less than 10 wt % of the solid-state cathode. The solid-state cathode does not have liquid, gel and polymer materials. | 2021-07-29 |
20210234171 | LIQUID COMPOSITION FOR FORMING ELECTROCHEMICAL DEVICE, METHOD OF MANUFACTURING ELECTRODES, METHOD OF MANUFACTURING ELECTROCHEMICAL DEVICE AND ELECTRODES - The present invention relates to a liquid composition for forming an electrochemical device contains one or both of an active material or an electrolyte; | 2021-07-29 |
20210234172 | ELECTRODE COMPOSITION, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ALL-SOLID STATE SECONDARY BATTERY, AND RESPECTIVE METHODS OF MANUFACTURING ELECTRODE COMPOSITION, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY - Provided are an electrode composition, an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery that are formed of the electrode composition, and respective methods of manufacturing the electrode composition, the electrode sheet for an all-solid state secondary battery, and the all-solid state secondary battery. The electrode composition includes: an inorganic solid electrolyte; an active material; and a distributing component that binds to the inorganic solid electrolyte and the active material, in which one kind of the distributing component is a binder, a polymer forming the binder includes a repeating unit having an amino group, a sulfanyl group, a hydroxy group, a carboxy group, or an anone group, and a distribution rate of the distributing component to the inorganic solid electrolyte in an electrode active material layer formed of the electrode composition exceeds 60%. | 2021-07-29 |
20210234173 | COMPOSITIONS AND METHODS FOR PARALLEL PROCESSING OF ELECTRODE FILM MIXTURES - Materials and methods for preparing electrode film mixtures and electrode films including reduced damage bulk active materials are provided. In a first aspect, a method for preparing an electrode film mixture for an energy storage device is provided, comprising providing an initial binder mixture comprising a first binder and a first active material, processing the initial binder mixture under high shear to form a secondary binder mixture, and nondestructively mixing the secondary binder mixture with a second portion of active materials to form an electrode film mixture. | 2021-07-29 |
20210234174 | CONDUCTIVE MATERIAL DISPERSION LIQUID, ELECTRODE AND LITHIUM SECONDARY BATTERY PREPARED BY USING THE SAME - Provided are a conductive material dispersion liquid, and an electrode and a lithium secondary battery manufactured using the same. The conductive material dispersion liquid according to the present invention includes a carbon-based conductive material, a dispersant, and a dispersion medium, wherein the dispersant is a copolymer including a first repeating unit represented by Chemical Formula 1, a second repeating unit represented by Chemical Formula 2, and a third repeating unit represented by Chemical Formula 3, and the dispersion medium is a non-aqueous solvent. | 2021-07-29 |
20210234175 | CURRENT COLLECTING MEMBER, SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SECONDARY BATTERY - This application provides a current collecting member, a secondary battery, and a method for manufacturing a secondary battery. The current collecting member includes a substrate and a support plate, the substrate is disposed on a side of a body of the electrode assembly in the transverse direction and extends in a direction perpendicular to the transverse direction, the support plate extends from an outer end of the substrate in the longitudinal direction and folds back to a side of the substrate farther from the body. The support plate includes a bending portion and a connecting portion, the bending portion is connected to the substrate and bent into an arc shape, and the connecting portion extends from an end of the bending portion farther from the substrate; and a first tab of the electrode assembly is connected to the connecting portion and bent along a surface of the bending portion. | 2021-07-29 |
20210234176 | METHOD FOR MANUFACTURING SLURRY FOR MICROPOROUS LAYER FORMATION AND GAS DIFFUSION LAYER INCLUDING MICROPOROUS LAYER MANUFACTURED THEREBY - In the present invention, a water-based wetting dispersant having an acid value of 5 mg KOH/g or more and an amine value of 10 mg KOH/g or less is used to dilute and disperse black carbon and a hydrophobic fluorine resin in an organic solvent to manufacture a slurry for microporous layer formation. In this regard, the added amount of the water-based wetting dispersant is adjusted to 5 to 30 parts by weight on the basis of 100 parts by weight of black carbon. In the present invention, the slurry is applied to at least one surface of carbon fiber paper and dried to form a microporous layer in which two independent peaks appear as analyzed on a particle size graph, followed by compression and deposition thereof to fabricate a gas diffusion layer including the microporous layer in which two independent peaks appear as analyzed on a particle size graph. With the appearance of two independent peaks on a particle size analysis graph, the gas diffusion layer of the present invention has an excellent drainage function, thereby increasing in the current value of the concentration polarization curve at the equivalent voltage value. | 2021-07-29 |
20210234177 | ELECTROCATALYST - An electrocatalyst including carbon and a nanosheet supported on the carbon. The nanosheet includes a metal ruthenium nanosheet, and a platinum atomic layer formed on an entire surface of the metal ruthenium nanosheet. The metal ruthenium nanosheet is a monoatomic layer, and the platinum atomic layer is a monoatomic layer or a monoatomic layer laminated body. | 2021-07-29 |
20210234178 | FUEL CELL SEAL STRUCTURE - A fuel cell seal structure includes stacked fuel cells and an electrolyte membrane or a film supported between the neighboring metal separators. Each of the stacked fuel cells includes neighboring metal separators each including a plate portion having a plate portion surface, a bead seal portion projecting from the plate portion surface and including a distal end having a distal end surface, an elastic body disposed on the distal end surface, and a stopper disposed on the plate portion surface and away from the elastic body. The neighboring metal separators are disposed such that elastic bodies are located opposed to each other in a stacking direction with the electrolyte membrane or the film supported in between the elastic bodies and face each other, and such that stoppers are located neighboring to each other in the stacking direction with the electrolyte membrane or the film supported in between the stoppers. | 2021-07-29 |
20210234179 | FUEL CELL BASED POWER GENERATOR - A fuel cell based power generator includes a fuel cell element, an ambient air path configured to receive ambient air and provide the ambient air across a cathode side of the fuel cell element, receive water from the fuel cell element and provide wet air to the water exchanger element, and a fuel cell cooling mechanism associated with the fuel cell element, separate from the ambient air path and configured to cool the fuel cell element. | 2021-07-29 |
20210234180 | MULTIPLE INJECTION FUEL CELL AND OPERATING METHOD THEREOF - Fuel cell batteries are provided, and in particular hydrogen fuel cell batteries composed of at least one stack of cells. The battery is divided into at least two groups of cells able to be supplied with hydrogen separately. In a first phase, only the first group of cells and not the second is supplied; unconsumed hydrogen may however flow between the two groups via at least one evacuation manifold connected to the cells of the two groups. In a second phase, the supply to the two groups is reversed, unconsumed hydrogen still being able to flow between the two groups via the evacuation manifold. In a third phase, after a series of alternations of the two first phases, the two groups are first simultaneously supplied, then a purge valve of the evacuation manifold is opened then closed. | 2021-07-29 |
20210234181 | SUPPORTED NICKEL CATALYSTS USED AS DIRECT INTERNAL REFORMING CATALYST IN MOLTEN CARBONATE FUEL CELLS - Disclosed here is a supported catalyst comprising a thermally stable core, wherein the thermally stable core comprises a metal oxide support and nickel disposed in the metal oxide support, wherein the metal oxide support comprises at least one base metal oxide and at least one transition metal oxide or rare earth metal oxide mixed with or dispersed in the base metal oxide. Optionally the supported catalyst can further comprise an electrolyte removing layer coating the thermally stable core and/or an electrolyte repelling layer coating the electrolyte removing layer, wherein the electrolyte removing layer comprises at least one metal oxide, and wherein the electrolyte repelling layer comprises at least one of graphite, metal carbide and metal nitride. Also disclosed is a molten carbonate fuel cell comprising the supported catalyst as a direct internal reforming catalyst. | 2021-07-29 |
20210234182 | ION EXCHANGE MEMBRANE AND REDOX FLOW BATTERY - To provide an ion-exchange membrane that, when being used in a redox flow battery, provides excellent current efficiency and can suppress reduction in voltage efficiency. The ion-exchange membrane contains a fluorinated polymer having sulfonic acid-type functional groups and is characterized in that the difference (D−Dc) between the distance D between ion clusters measured by the small angle X-ray scattering method, and the diameter Dc of an ion cluster is larger than 0 and at most 0.50 nm. | 2021-07-29 |
20210234183 | ELECTROLYTE MATERIAL FOR SOLID OXIDE FUEL CELL AND METHOD FOR PRODUCING PRECURSOR THEREFOR - The invention provides an electrolyte material for a solid oxide fuel cell comprising a perovskite oxide comprising at least one element A selected from the group consisting of Ba and Sr, an element Zr, at least one element M selected from the group consisting of Y and Yb, and oxygen, and also a solid phase method for producing the electrolyte material. | 2021-07-29 |
20210234184 | COST-EFFICIENT HIGH ENERGY DENSITY REDOX FLOW BATTERY - Methods and systems are provided for a redox flow battery system. In one example, the redox flow battery is adapted with an additive included in a battery electrolyte and an anion exchange membrane separator dividing positive electrolyte from negative electrolyte. An overall system cost of the battery system may be reduced while a storage capacity, energy density and performance may be increased. | 2021-07-29 |
20210234185 | IMPROVED ENCLOSED FUEL CELL STACK ROW - Solid polymer electrolyte fuel cell stacks require a significant nominal compressive loading for proper operation and sealing. This loading is typically provided using relatively thick end plates and tight straps. In certain fuel cell applications, one or more solid polymer electrolyte fuel cell stacks are secured in larger enclosures (e.g. for isolation and crashworthiness in automotive applications). The enclosures however can themselves be sturdy enough to provide the necessary loading on the fuel cell stacks within. The present invention takes advantage of that to allow for use of thinner end plates and/or weaker straps which would otherwise be insufficient for use. | 2021-07-29 |
20210234186 | APPARATUS AND METHOD FOR MANUFACTURING UNIT CELL - Discussed is an apparatus for manufacturing a unit cell of a battery, the apparatus including: a center electrode reel from which a center electrode is unwound; an upper separator reel from which an upper separator laminated on a top surface of the center electrode is unwound; a lower separator reel from which a lower separator laminated on a bottom surface of the center electrode is unwound; and a magnetic force generation part disposed above or below a first laminate to apply magnetic force to the first laminate, the first laminate including the lower separator, the center electrode, and the upper separator that are sequentially laminated. | 2021-07-29 |
20210234187 | POWER STORAGE DEVICE - A power storage device includes a power storage module, a conductive plate, and a sealing member. The power storage module includes an electrode laminate and a sealing body. The sealing body includes a plurality of resin portions. Metal plates at laminate ends of the electrode laminate each have an exposed surface exposed from the resin portion. The exposed surface includes a contact region and a non-contact region. The sealing member includes a first sealing portion. The first sealing portion is provided along an inner edge of the resin portion to be in contact with the resin portion. The first sealing portion adheres to the conductive plate and the non-contact region and fills a portion between the conductive plate and the non-contact region. The first sealing portion seals a portion between the conductive plate and the exposed surface. | 2021-07-29 |
20210234188 | SECONDARY BATTERY AND ELECTRODE PLATE THEREOF - The present disclosure provides a secondary battery and an electrode plate thereof. The electrode plate comprises a current collector, an active material layer and a second conducting layer. The current collector comprises an insulating layer and a first conducting layer disposed on at least one surface of the insulating layer; and the active material layer is disposed on a main portion of the first conducting layer. The first conducting layer further includes a protruding portion not coated with the active material layer. The second conducting layer comprises a first portion disposed on a surface of the protruding portion of the first conducting layer opposite to the insulating layer. The secondary battery comprises an electrode assembly, the electrode assembly comprises the electrode plate. | 2021-07-29 |
20210234189 | ELECTROLYTES FOR THIN LAYER ELECTROCHEMICAL DEVICES - Thin-layer electrolyte in an electrochemical device such as a lithium-ion battery, said electrolyte comprising a porous inorganic layer impregnated with a phase carrying lithium ions, | 2021-07-29 |
20210234190 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery that can operate in a high-temperature environment of 85° C. The lithium ion secondary battery includes a positive electrode active material that can store and release lithium ions Li | 2021-07-29 |
20210234191 | Lithium Secondary Battery - Embodiments of the present invention provide a lithium secondary battery including anode active material layers which have a multi-layered structure and include carbon-based active materials having different contents from each other, thereby improving mechanical stability and battery performance. | 2021-07-29 |
20210234192 | All-Solid-State Lithium Battery and Preparation Method Thereof - The present invention discloses a preparation method of an all-solid-state lithium battery based on borohydride/sulfide two-layer fast ion conductors, comprising the steps of: Step 1: cold-pressing a borohydride fast ion conductor and a sulfide fast ion conductor into a two-layer electrolyte; Step 2: mixing a cathode active material, a sulfide fast ion conductor, and a conductive agent according to a ratio to prepare a cathode of the all-solid-state lithium battery, and cold-pressing the cathode onto a side, corresponding to the sulfide fast ion conductor, of the two-layer electrolyte obtained in Step 1; and taking a lithium metal plate as an anode of the all-solid-state lithium battery, and cold-pressing the anode onto a side, corresponding to the borohydride fast ion conductor, of the two-layer electrolyte obtained in Step 1; and Step 3: packaging a material obtained in Step 2 to obtain the all-solid-state lithium battery based on borohydride/sulfide two-layer fast ion conductors. According to the present invention, an all-solid-state battery with high working voltage and good cycle performance is achieved, and the preparation process is simple and has good repeatability, thereby being suitable for large-scale commercial production. | 2021-07-29 |
20210234193 | SOLID ELECTROLYTE COMPOSITION, SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ALL-SOLID STATE SECONDARY BATTERY, METHOD OF MANUFACTURING SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND METHOD OF MANUFACTURING ALL-SOLID STATE SECONDARY BATTERY - Provided is a solid electrolyte composition including: an inorganic solid electrolyte having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table; and binder particles including a resin represented by a specific formula. In addition, provided are a sheet for an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery that include the above-described solid electrolyte composition, and a method of manufacturing the sheet for an all-solid state secondary battery and a method of manufacturing the all-solid state secondary battery. | 2021-07-29 |
20210234194 | SOLID ELECTROLYTE COMPOSITION, SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY - There is provided a solid electrolyte composition containing an inorganic solid electrolyte having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table and a binder containing non-spherical binder particles consisting of secondary particles formed of primary particles having an average particle size of 1 to 1,000 nm. There are also provided an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery, which have a layer constituted of this composition. | 2021-07-29 |
20210234195 | LITHIUM SECONDARY BATTERY EMPLOYING GEL-TYPE POLYMER ELECTROLYTE AND MANUFACTURING METHOD THEREFOR - Provided are a lithium secondary battery including a gel-type polymer electrolyte and a manufacturing method thereof. The lithium secondary battery includes a gel-type polymer electrolyte, which fills pores of an anode and a cathode in a state in which a crosslinkable monomer is crosslinked, and may thus inhibit an electrochemical side reaction and an electrolyte decomposition reaction, which occur in the anode and the cathode, thereby securing the improvement of battery characteristics and the stability of battery. The application of the gel-type polymer electrolyte makes it possible to easily manufacture, especially, a lithium secondary battery usable at a high voltage employing an LTO anode. | 2021-07-29 |
20210234196 | ELECTROLYTIC SOLUTION AND ELECTROCHEMICAL DEVICE - The present application relates to an electrolytic solution and an electrochemical device comprising the electrolytic solution. The electrolytic solution comprises a carbonate compound having a silicon-containing functional group, so as to significantly improve the overcharge performance and high-temperature storage performance of an electrochemical device using the electrolytic solution. | 2021-07-29 |
20210234197 | ELECTROLYTE ADDITIVES FOR FAST CHARGING LITHIUM ION BATTERIES - Lithium ion batteries and electrolytes therefor are provided, which include electrolyte additives having dithioester functional group(s) that stabilize the SEI (solid-electrolyte interface) at the surfaces of the anode material particles, and/or stabilize the CEI (cathode electrolyte interface) at the surfaces of the cathode material particles, and/or act as oxygen scavengers to prevent cell degradation. The electrolyte additives having dithioester functional group(s) may function as polymerization controlling and/or chain transfer agents that regulate the level of polymerization of other electrolyte components, such as VC (vinyl carbonate) and improve the formation and operation of the batteries. The lithium ion batteries may have metalloid-based anodes—including mostly Si, Ge and/or Sn as anode active material particles. | 2021-07-29 |
20210234198 | ELECTROLYTE FOR HIGH-ENERGY DENSITY, GRAPHITE-CONTAINING BATTERY - The present disclosure provides an electrolyte system for an electrode having a loading density of greater than or equal to about 4.0 mAh/cm | 2021-07-29 |
20210234199 | NON-AQUEOUS LIQUID ELECTROLYTE COMPOSITION - This invention relates to a non-aqueous liquid electrolyte composition suitable for secondary battery cells, especially lithium-ion secondary battery cells. Such electrolyte composition comprises a) at least one non-fluorinated cyclic carbonate and at least one fluorinated cyclic carbonate, b) at least one fluorinated acyclic carboxylic acid ester, c) at least one electrolyte salt, d) at least one lithium borate compound, e) at least one cyclic sulfur compound, and f) optionally at least one cyclic carboxylic acid anhydride, all components being present in specific proportions. It can advantageously be used in batteries comprising a cathode material comprising a lithium nickel manganese cobalt oxide (NMC) or a lithium cobalt oxide (LCO), especially at a high operating voltage. | 2021-07-29 |
20210234200 | Ni BASED LITHIUM-ION SECONDARY BATTERY COMPRISING A FLUORINATED ELECTROLYTE - A liquid electrolyte lithium secondary battery cell comprising: —a positive electrode material comprising a lithium transition metal-based oxide powder having a general formula Li | 2021-07-29 |
20210234201 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY BATTERY, AND MODULE - An electrolyte solution containing at least one compound (1) selected from a compound represented by the following formula (1-1) and a compound represented by the following formula (1-2), the formula (1-1) being: | 2021-07-29 |
20210234202 | SECONDARY BATTERY - The present invention relates to a secondary battery capable of enhancing safety and test reliability. According to one embodiment, disclosed is a secondary battery comprising: an electrode assembly in which a first electrode plate and a second electrode plate are alternately stacked; and a case for accommodating the electrode assembly, wherein the first electrode plate includes an outer electrode plate located at the outermost part of the electrode assembly, and an inner electrode plate located inside the electrode assembly, and the outer electrode plate is smaller than the inner electrode plate and the second electrode plate. | 2021-07-29 |
20210234203 | BATTERY AND ELECTRONIC DEVICE COMPRISING SAME - A battery according to various embodiments of the present disclosure may comprise: a negative-electrode substrate formed to have a first length in a first direction and to have a second length larger than the first length in a second direction, comprising the first coating portion being coated with a negative-electrode active material, and a first uncoated portion arranged adjacent to the first coating portion; a positive-electrode substrate formed to have a third length in the first direction and to have a fourth length larger than the third length in the second direction, comprising the second coating portion being arranged to face the negative-electrode substrate and coated with a positive-electrode active material, and a second uncoated portion arranged adjacent to the second coating portion; and a separator arranged between the negative-electrode substrate and the positive-electrode substrate. The first coating portion of the negative-electrode substrate and the second coating portion of the positive-electrode substrate may comprise multiple notches recessed from the outside to the inside thereof along the second direction and arranged at a designated interval so as to form a structure in which at least a part of a roll-shaped corner portion is cut, the corner portion being obtained by winding the negative-electrode substrate, the positive-electrode substrate, and the separator together. | 2021-07-29 |
20210234204 | Battery Module - A battery module may include a plurality of battery cells that are stacked on each other; and a circuit module which is electrically connected to the plurality of battery cells and includes a plate-shaped circuit part having a width and a length. The circuit part may be disposed between any one pair of battery cells of the plurality of battery cells in a state in which a width direction of the circuit part is parallel to a direction perpendicular to a direction in which the plurality of battery cells are stacked. | 2021-07-29 |
20210234205 | VEHICULAR BATTERY CHARGER, CHARGING SYSTEM, AND METHOD - A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors. | 2021-07-29 |
20210234206 | DIAGNOSTIC APPARATUS FOR SECONDARY BATTERY AND SOC UNEVENNESS DETECTION METHOD - A diagnostic apparatus for a secondary battery includes a control device. The control device acquires an electricity storage amount that is the amount of electricity stored in the secondary battery, and V/K indicating the magnitude of change in OCV of the secondary battery with respect to temperature change of the secondary battery. The control device determines whether or not an SOC unevenness occurs in an electrode surface of the secondary battery by using the acquired electricity storage amount and V/K. | 2021-07-29 |
20210234207 | Method and System for Analyzing Swelling Behavior of Lithium Secondary Battery - A method for analyzing a swelling behavior of a lithium secondary battery includes: (S1) installing a detachable pressurizing holder for fixing a battery sample and a charge/discharge cable connected with an external charging/discharging device to an X-ray CT (computed tomography) imaging equipment; (S2) inserting the battery sample into the pressurizing holder, contacting an electrode lead of the battery sample with a terminal of the charge/discharge cable, and then operating the external charging/discharging device to perform charging and discharging; and (S3) while rotating the battery sample during charging and discharging of the battery sample, irradiating and scanning the X-ray on the battery sample at an angle ranging from −10° to 10° to obtain a 3D image, and then measuring a change in the thickness of the electrode inside the battery sample from the 3D image. | 2021-07-29 |
20210234208 | TEMPERATURE SENSOR THERMAL CONTACT TESTING METHOD AND CIRCUIT - The present invention relates to a testing method for the thermal contact between a temperature sensor ( | 2021-07-29 |
20210234209 | TWO-LEVEL METHOD FOR THERMAL RUNAWAY DETECTION - A battery system includes a rechargeable energy storage system (RESS) having battery cells, and a battery controller network configured to execute two-level logic to detect a thermal runaway condition. The network includes RES S-embedded cell monitoring units (CMUs) electrically connected to a respective cell group, and measuring and wirelessly transmitting cell data. A battery control module (BCM) is in communication with the CMUs. Thermal runaway sensors are mounted on the CMUs and/or the BCM. A master controller connected to the BCM includes a thermal runaway detection algorithm configured to detect a thermal runaway condition occurring within the RESS. The BCM uses data from the CMUs and thermal runaway sensors to execute first logic level which determines when to wake up the master controller. The master controller, in response to receipt of a wakeup signal, executes a second logic level to execute the algorithm. | 2021-07-29 |
20210234210 | CONTROL APPARATUS OF STORAGE BATTERY AND CONTROL METHOD FOR STORAGE BATTERY - Deterioration of a storage battery is reduced, and the storage battery is caused to fully exhibit its performance in a time of emergency. A power value of charged/discharged power and charge/discharge time of the storage battery are controlled so as to enable keeping of a limit including at least one of an upper limit of temperature and a lower limit of a power storage amount of the storage battery. In normal times, the limit is set to a first limit having first tolerance. In a time of emergency, the limit is set to a second limit having second tolerance being smaller than the first tolerance or not having tolerance. | 2021-07-29 |
20210234211 | BATTERY DEVICE AND METHOD FOR MANUFACTURING BATTERY DEVICE - A battery device is provided with: an exterior body having two outer side walls; a plurality of battery cell groups that are arranged in parallel between the two outer side walls and that, are each composed of a plurality of laminated battery cells; and holding mechanisms that are arranged between the plurality of battery cell groups and that hold the plurality of respective battery cell groups in the exterior body by applying, to the plurality of battery cell groups, a pressing force in a direction in which the battery cell groups are separated from each other and are pressed towards the two opposite outer side walls. | 2021-07-29 |
20210234212 | RECHARGEABLE BATTERY - The invention relates to a rechargeable battery ( | 2021-07-29 |
20210234213 | VEHICLE BATTERY PACK - A vehicle battery pack includes: a battery; a radiator; a passage via which the battery is connected to the radiator; a pump configured to circulate coolant between the battery and the radiator through the passage; and a case in which the battery, the radiator, the passage, and the pump are accommodated, the case having an intake opening and a discharge opening for external air. | 2021-07-29 |
20210234214 | COMPACT TEMPERATURE CONTROL SYSTEM AND METHOD FOR ENERGY MODULES - The present disclosure relates to an energy module having a plurality of energy generating cells, and at least one cooling plate having opposing surfaces. The cooling plate is disposed between an adjacent pair of the energy generating cells such that the opposing surfaces of the cooling plate are in contact with surfaces of the adjacent pair of energy generating cells. The cooling plate has at least one coolant flow channel configured to receive a coolant flow therethrough to limit propagation of heat from one to the other of either one of the adjacent pair of energy generating cells when either one of the adjacent pair of energy generating cells fails. | 2021-07-29 |
20210234215 | COOLING SYSTEM - A cooling system of an embodiment includes a container having a first wall and a second wall intersecting the first wall; a housing accommodated in the container and including a plurality of racks juxtaposed to one another in a first direction being away from the first wall; a plurality of modules that generates heat, and is supported by the corresponding racks and placed in a row in a second direction intersecting the first direction and along the second wall; an opening through which air for cooling the modules flows into the container; and an air injection passage and an air discharge passage extending between the housing and the second wall and between the housing and an opposite side. The housing is provided with an intermediate passage extending between the injection passage and the discharge passage. The opening is juxtaposed to the injection passage in the second direction. | 2021-07-29 |
20210234216 | ENERGY GENERATING SYSTEM - The invention provides an energy generating system that includes ferromagnetic crystals in solution providing for improved longevity and operability at below zero temperatures and exhibiting superconductivity. | 2021-07-29 |
20210234217 | Packaging for Flexible Secondary Battery and Flexible Secondary Battery Comprising the Same - A packaging for a flexible secondary battery improves the vapor barrier performance and flexibility of the flexible secondary battery. The packaging is in a shape of a tube that is wrapped around an outer surface of an electrode assembly, and includes a mechanical support layer; a reduced graphene oxide layer disposed on the mechanical support layer and including a plurality of reduced graphene oxide sheets; a heat shrink layer disposed on the reduced graphene oxide layer; and a sealant layer disposed on the heat shrink layer, wherein the plurality of reduced graphene oxide sheets in the reduced graphene oxide layer forms electrostatic interaction between adjacent sheets of the plurality of reduced graphene oxide sheets. A flexible secondary battery including the packaging is also provided. | 2021-07-29 |
20210234218 | FILM FOR PACKAGING SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING THE SAME - Provided are a film for covering an entire outer surface of a secondary battery electrode assembly and a method for manufacturing the same, wherein the film comprises a mechanical support layer, a reduced graphene oxide layer disposed on an outer surface of the mechanical support layer, and a sealant layer disposed on an outer surface of the reduced graphene oxide layer, wherein reduced graphene oxide sheets of the reduced graphene oxide layer form electrostatic interaction between adjacent ones of the reduced graphene oxide sheets. | 2021-07-29 |
20210234219 | Top Cover Assembly of Secondary Battery and Secondary Battery - The present disclosure relates to a top cover assembly of a secondary battery and a secondary battery, wherein the top cover assembly includes a top cover plate, provided with a through hole; an electrode terminal, covering the through hole; an insulating plate, wherein at least part of the insulating plate is arranged on a side of the top cover plate away from the electrode terminal; a seal, wherein at least part of the seal is arranged between the top cover plate and the electrode terminal; and an insulator, wherein at least part of the insulator is arranged between the top cover plate and the insulating plate; wherein the insulator and the seal at least jointly enclose a side wall of the through hole and an area, close to the through hole, on an upper surface of the top cover plate. | 2021-07-29 |
20210234220 | TOP COVER ASSEMBLY, SECONDARY BATTERY AND ELECTRIC EQUIPMENT - The top cover assembly provided in the present application includes a top cover plate, a sealing member and a lower insulting piece, the sealing member includes a first sealing part arranged on an upper surface of the top cover plate; the lower insulating member is provided with a first insulating part and a second insulating part which are connected with each other, the first insulating part is arranged below the top cover plate, the second insulating part extends upwards from the first insulating part and at least part of the second insulating part is arranged in an electrode lead-out hole of the top cover plate, one of the second insulating part and the sealing member is provided with a groove, and the other includes a first matching part, and the first matching part is embedded into the groove and is sealed with a bottom wall of the groove. | 2021-07-29 |
20210234221 | POWER STORAGE DEVICE - A power storage device includes a plurality of power storage modules laminated, a conductive plate and a sealing member. The conductive plate and the sealing member are provided between the power storage modules adjacent to each other in a laminating direction of the power storage modules. The plurality of power storage modules each have an electrode laminate, an electrolytic solution, and a sealing body. The electrode laminate has electrode exposed portions exposed from the sealing body at one end and the other end in the laminating direction. Between the power storage modules adjacent to each other in the laminating direction, the conductive plate is disposed between the electrode exposed portions opposing each other to be in contact with the electrode exposed portions, and at least a portion between the sealing bodies opposing each other is filled with the sealing member. | 2021-07-29 |
20210234222 | ADHESIVE FILM FOR METAL TERMINAL, METAL TERMINAL WITH ADHESIVE FILM, AND BATTERY - This adhesive film for a metal terminal is interposed between a metal terminal electrically connected to an electrode of a battery element and a wrapping material sealing the battery element and is provided with at least one resin layer having a polyolefin backbone. When the adhesive film for the metal terminal is measured with a differential scanning calorimeter, a melting peak is observed within the range of 120° C. to 156° C. | 2021-07-29 |
20210234223 | BATTERY MODULE - Provided is a battery module including a plurality of battery cells stacked on one another and being capable of effectively preventing damage to the battery cells despite such a configuration. A battery module | 2021-07-29 |
20210234224 | BATTERY CELL STORAGE CASE AND STORAGE DEVICE INCLUDING SAME - A battery cell storage case according to the present invention may comprise: a case in which battery cells are stored; and a discharge unit which is electrically connected to the case, is disposed outside the case, and discharges the battery cells, wherein the case comprises: an upper case which has a hollow structure and is open on one side thereof; and a lower case which has a hollow structure and is open on the side facing the open portion of the upper case. | 2021-07-29 |
20210234225 | BATTERY PACK AND ELECTRICAL EQUIPMENT - Provided is a battery pack which is miniaturized by reducing the number of components of a latch mechanism of the battery pack. In the battery pack comprising housings that accommodate a plurality of battery cells, and detachable latches, the latches have manipulation parts that are manipulated by an operator, springs that bias the manipulation parts to the outside of the housings, and first abutting parts on which ends of the springs abut. The manipulation parts move horizontally below the upper wall of the housing, and portions thereof are exposed to the outside from through holes formed in the housing. Furthermore, the latches are supported from below by any one among a separator holding the battery cell, a circuit board, and a lower case. | 2021-07-29 |
20210234226 | SAFE TRANSPORT AND STORAGE OF ENERGY STORAGE DEVICES - A method of transporting at least one energy storage device comprising the step of housing at least one energy storage device in a cassette comprising: a hollow casing for receiving at least one energy storage device; a top cap assembly received at one end of the hollow casing and an end cap assembly received at another end of the hollow casing; electronic circuitry housed within the end cap assembly, the electronic circuitry comprising at least one receptacle associated with each of the at least one energy storage devices, the at least one receptacle being reversibly mateable with at least one plug associated with an external device such that the cassette is received by the external in a first orientation and a second orientation; and electrically isolating the at least one energy storage devices from each other by individually coupling the at least one energy storage device to the electronic circuitry. | 2021-07-29 |
20210234227 | BATTERY PACK AND VEHICLE - The disclosure provides a battery pack and a vehicle. The battery pack includes: a housing including a housing bottom wall and a housing side wall which form an accommodating space; a battery module disposed in the accommodating space and including a plurality of batteries, where a case side wall of the battery includes two first side walls oppositely disposed along a first direction and two second side walls oppositely disposed along a second direction; and a frame structure disposed in the accommodating space, which includes a first beam and a second beam respectively located at two ends of the battery module along the first direction, the first beam and the second beam extend along the second direction and are disposed opposite to the first side wall along the first direction, the first beam is non-detachably connected to the housing, and the second beam is detachably connected to the housing. | 2021-07-29 |
20210234228 | DISCOVERING THE METHOD OF EXTRACTING HYDROGEN GAS FROM WATER AND SAVING HYDROGEN GAS WITH HIGH ENERGY EFFICIENCY - The discovery of the method of extracting hydrogen gas from water and saving the high-energy hydrogen gas is a system used by acid-lead batteries and their electrolyte replacement, which removes hydrogen from the water during charging, and then the electricity consumed for this purpose. The battery float charge mode is stored in the battery by chemical reactions. Also, by reversible reactions, a little more than the hydrogen gas is released into the normal amount of gas from the battery houses. By this method, the practical steps are to finalize the sample during the Gaseous hydrogen is recommended for industry and industry. | 2021-07-29 |
20210234229 | Cross-Linked Polyolefin Separator and Method for Producing Same - A crosslinked polyolefin separator having an average value of light transmittance of 30% or more in a region of 380 nm to 700 nm, after four sides of the separator are fixed and allowed to stand at 130° C. for 30 minutes. A method for manufacturing the crosslinked polyolefin separator is also provided. The crosslinked polyolefin separator has a low shutdown temperature to provide improved safety. The crosslinked polyolefin separator also has a high meltdown temperature and is inhibited from die-drooling. | 2021-07-29 |
20210234230 | ELECTROLYTE SEPARATORS INCLUDING LITHIUM BOROHYDRIDE AND COMPOSITE ELECTROLYTE SEPARATORS OF LITHIUM-STUFFED GARNET AND LITHIUM BOROHYDRIDE - Set forth herein are compositions comprising A.(LiBH | 2021-07-29 |
20210234231 | COAXIAL FIBER AND ELECTROCHEMICAL DEVICE INCLUDING SAME - An electrochemical device including a coaxial fiber. The coaxial fiber includes a first fiber as a shell and a second fiber as a core, wherein the first fiber includes a polymer, and the second fiber includes a foamed material. The electrochemical device including the coaxial fiber has good overcharge resistance and abuse resistance. | 2021-07-29 |
20210234232 | MAT MADE OF GLASS FIBERS OR POLYOLEFIN FIBERS USED AS A SEPARATOR IN A LEAD-ACID BATTERY - Embodiments of the invention provide methods and apparatuses for enhancing electron flow within a battery, such as a lead-acid battery. In one embodiment, a battery separator may include a conductive surface or layer upon which electrons may flow. The battery separator may include a fiber mat that includes a plurality of electrically insulative fibers. The battery separator may be positioned between electrodes of the battery to electrically insulate the electrodes. The battery separator may also include a conductive material disposed on at least one surface of the fiber mat. The conductive material may contact an electrode of the battery and may have an electrical conductivity that enables electron flow on the surface of the fiber mat. | 2021-07-29 |
20210234233 | SEPARATOR AND ELECTROCHEMICAL DEVICE - A separator and an energy-storing electrochemical device are disclosed, the separator includes a porous substrate and a first coating located on at least one surface of the porous substrate. The first coating includes a first polymer binder and first inorganic particles, and the first polymer binder comprising core-shell structured particles. The first inorganic particles are used in the first coating, ensuring that the first polymer binder has a bonding function, electrolyte transport is promoted, and the rate performance of the electrochemical device is improved. | 2021-07-29 |
20210234234 | SEPARATOR FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD OF THE SAME, LITHIUM SECONDARY BATTERY INCLUDING THE SAME - The present disclosure relates to a separator for lithium secondary battery, a method for manufacturing same, and a lithium secondary battery including the same. | 2021-07-29 |
20210234235 | SEPARATOR COMPRISING POROUS ADHESIVE LAYER, AND LITHIUM SECONDARY BATTERY USING SAME - The present invention relates to a separator, a manufacturing method therefor, and a lithium secondary battery comprising the same, the separator comprising: a porous substrate; and a porous adhesive layer formed on one surface or both surfaces of the porous substrate, wherein the porous adhesive layer comprises a nitrogen-containing binder and polyvinylidene fluoride-based polymer microparticles having an average diameter of 200 nm to 700 nm, and the total thickness of the porous adhesive layer is 1 μm or less. | 2021-07-29 |
20210234236 | MULTILAYER MICROPOROUS SEPARATORS FOR LITHIUM ION SECONDARY BATTERIES AND RELATED METHODS - An improved multilayer laminated microporous battery separator for a lithium ion secondary battery, and/or a method of making or using this separator is provided. The preferred inventive dry process separator is a tri-layer laminated Polypropylene/Polyethylene/Polypropylene microporous membrane with a thickness range of 12 μm to 30 μm having improved puncture strength and low electrical resistance for improved cycling and charge performance in a lithium ion battery. In addition, the preferred inventive separator's or membrane's low Electrical Resistance and high porosity provides superior charge rate performance in a lithium battery for high power applications. | 2021-07-29 |
20210234237 | SEPARATOR PLATE ARRANGEMENT FOR AN ELECTROCHEMICAL SYSTEM - A separator plate arrangement for an electrochemical system, comprising a first metal sheet and a second metal sheet. The first metal sheet has a first circumferential sealing structure for sealing off an electrochemically active region, a first cutout arranged outside of the first circumferential sealing structure, and a first embossed structure arranged outside of the first circumferential sealing structure. The second metal sheet has a second circumferential sealing structure for sealing off an electrochemically active region, a second cutout arranged outside of the second circumferential sealing structure, and a second embossed structure arranged outside of the second circumferential sealing structure. | 2021-07-29 |
20210234238 | MEMBRANE D ECHANGE PROTONIQUE HYBRIDE - The present application relates to a proton exchange membrane for fuel cell, said membrane having self-regenerating properties, to cells comprising said membranes, and to the manufacturing method thereof via electrospinning. | 2021-07-29 |
20210234239 | FLEXIBLE FLAT CABLE WITH MOUNTED PROTECTIVE ELEMENT, BATTERY MODULE, AND METHOD FOR MANUFACTURING FLEXIBLE FLAT CABLE WITH MOUNTED PROTECTIVE ELEMENT - Protective element-mounted flexible flat cable includes a plurality of conductive wires, insulating sheet covering the plurality of conductive wires, and protective element that is disposed in the middle of at least one of conductive wires and limits an overcurrent flowing through the at least one of conductive wires. | 2021-07-29 |
20210234240 | BATTERY MODULE - In a battery module of the present invention, a plurality of unit batteries in which positive electrode terminals and negative electrode terminals are arranged at one-side ends are arranged in a staggered pattern while the one-side ends are arrayed on the same side, n pieces of battery blocks in which m pieces of the unit batteries adjacent to one another are connected in parallel to one another are connected in series to one another, two or more rows in which the unit batteries are arranged in a direction perpendicular to a series current direction are present on one battery block, the number of the unit batteries in each row is less than or equal to (m−1), an electrically insulating plate is arranged above the one-side ends of the plurality of arrayed unit batteries, the plate is provided with holes from which the positive electrode terminals and the negative electrode terminals of the respective unit batteries are exposed, and is provided with a plurality of conductive members on a surface opposite to a surface facing the unit batteries, and the conductive members extend along the rows in which the unit batteries in the battery blocks are arrayed, two conductive members are arranged with respect to one battery block, and the conductive members are provided with terminal connecting portions connected through the holes to the same-polarity terminals of the respective unit batteries included in one battery block. | 2021-07-29 |
20210234241 | BATTERY MODULE, BATTERY PACK COMPRISING BATTERY MODULE, AND VEHICLE COMPRISING BATTERY PACK - Discussed is a battery module that includes a plurality of battery cells having electrode leads protruding in at least one direction; and at least one bus bar disposed at one side of the plurality of battery cells and connected to the electrode leads of the plurality of battery, the bus bar having a beam penetration prevention guider configured to prevent a laser beam from penetrating toward the plurality of battery cells during a laser welding. | 2021-07-29 |
20210234242 | BATTERY COVER PLATE ASSEMBLY, BATTERY CELL, BATTERY MODULE, POWER BATTERY AND ELECTRIC AUTOMOBILE - A battery cover plate assembly, a cell, a battery module, a power battery and an electric vehicle are provided. The battery cover plate assembly includes a cover plate, a first pole, a second pole, a flipping member, a scored member, a first conductive member and a telescopic assembly. The second pole includes an upper pole and a lower pole spaced apart from each other. The flipping member is configured to turn over under the action of gas pressure inside the battery and push, by means of the telescopic assembly, the first conductive member to move to break a score, so as to electrically disconnect the upper pole from the lower pole. | 2021-07-29 |
20210234243 | BATTERY CELL - Provided is a battery cell that can effectively overcome problems caused by known battery cells having an outer jacket constituted by one folded film. A battery cell includes a battery, and an outer jacket accommodating the battery. At least one end face of the battery is connected to a current-collecting tab lead. The outer jacket is constituted by one film which is folded along another end face of the battery different from the end face connected to the current-collecting tab lead, and end portions of which are joined to each other such that the current-collecting tab lead is sandwiched between the end portions. The outer jacket has a hole at a position adjacent to the end face connected to the current-collecting tab lead, the hole being blocked. | 2021-07-29 |
20210234244 | WAVEGUIDE SECTION COMPRISING WAVEGUIDE TUBES WITH PLUG-IN FILTER DEVICES - The present disclosure relates to a waveguide section having at least one air-filled waveguide conducting tube having an electrically conducting inner wall. Each waveguide conducting tube has a plug-in filter device with two or more electrically conducting elements arranged in series and spaced apart by a connecting arrangement. Each plug-in filter device is adapted to be retained in the corresponding waveguide conducting tube using a dielectric holding arrangement such that the electrically conducting elements are spaced apart from the waveguide conducting tube. The electrically conducting elements are arranged to be electromagnetically coupled such that passing a radio frequency is electromagnetically filtered. | 2021-07-29 |
20210234245 | CAVITY FILTER - The present invention relates to a cavity filter and, in particular, provides an advantage of preventing performance deterioration of an antenna device by efficiently absorbing an assembly tolerance which may occur due to assembly design and preventing an interruption of an electrical flow, by comprising: an RF signal connecting part provided to be spaced apart at a predetermined distance from an external member having an electrode pad formed on one surface thereof; a terminal part which electrically connects the electrode pad of the external member to the RF signal connecting part, while absorbing an assembly tolerance existing within the predetermined distance and simultaneously preventing an interruption of an electrical flow between the electrode pad and the RF signal connecting part; a dielectric body which is inserted into a terminal insertion hole so as to surround the outside of the terminal part; and an elastic member which has a portion of the edge supported by the dielectric body and which elastically supports the terminal part by means of an operation in which a hollow part is deformed in the vertical direction when an assembly force is transmitted to the terminal part supported to pass through the hollow part, wherein the terminal part comprises one terminal brought into contact with the electrode pad and the other terminal connected to the RF signal connecting part. | 2021-07-29 |
20210234246 | ANTENNA PORT TERMINATION IN ABSENCE OF POWER SUPPLY - Methods and devices to address antenna termination in absence of power supplies within an electronic circuit including a termination circuit and a switching circuit. The devices include regular NMOS devices that decouple the antenna from the switching circuit in absence of power supplies while the antenna is coupled to a terminating impedance having a desired impedance value through a native NMOS device. The antenna is coupled with the switching circuit via the regular NMOS device during powered conditions while the antenna is decoupled from the terminating impedance. | 2021-07-29 |
20210234247 | COUPLER MODULE - A coupler module ( | 2021-07-29 |
20210234248 | DIRECTIONAL COUPLER, SUBSTRATE PROCESSING APPARATUS, AND SUBSTRATE PROCESSING METHOD - A directional coupler includes: a hollow coaxial line including a central conductor forming a main line and an outer conductor surrounding the central conductor and having an opening formed therein; a dielectric substrate covering the opening and provided with film-shaped ground conductors, wherein a film-shaped ground conductor covers a rear surface of the dielectric substrate facing the central conductor via the opening and a film-shaped ground conductor covers a front surface of the dielectric substrate, respectively, and are grounded; and a coupling line provided on the rear surface of the dielectric substrate in a region surrounded by the ground conductor formed on the rear surface and serving as an auxiliary line, wherein the ground conductor formed on the front surface is provided with a conductor-removed portion in which a portion of a conductor film in a region facing the coupling line via the dielectric substrate is removed. | 2021-07-29 |
20210234249 | DIRECTIONAL COUPLER - A directional coupler includes first to fourth terminals, a first line, a second line, a ground conductor portion, and a stack. The first line includes a first center portion, a first connecting portion, and a second connecting portion. The second line includes a second center portion, a third connecting portion, and a fourth connecting portion. A distance between the first and third connecting portions and a distance between the second and fourth connecting portions decrease toward the first and second center portions. The first to fourth terminals are located on a bottom surface of the stack. | 2021-07-29 |
20210234250 | Antenna with Built-in Heatsink Structure - An antenna system with a build in heatsink for use in a modular wireless communications system. The antenna system may include a ground plane component and an antenna component. The antenna component may include a radiating portion for broadcasting wireless communications signals, a grounded end affixable to the ground plane component, and a shorted portion positioned between the radiating portion and the grounded end. | 2021-07-29 |
20210234251 | ANTENNA ASSEMBLY AND MOBILE DEVICE - An antenna assembly includes a fixed member, a movable member movable relative to the fixed member and including an accommodation cavity, an elastic member connecting the movable member and the fixed member, and an antenna body accommodated in the accommodation cavity. | 2021-07-29 |
20210234252 | ANTENNA COMPONENT - An apparatus is disclosed comprising first printed circuit board—PCB—and second PCB structure each having a first surface and a second surface and a layer of electrically conductive material on the first surface thereof and being attached to each other in a substantially parallel configuration. A stripline is positioned between the two PCBs. Each one of the first PCB and the second PCB has a plurality of via-holes that are electrically conductive and are connected at one end to the layer of electrically conductive material on the first surface and to an electrically conductive pad on the second surface of the PCB. At least a first electrically conductive pad associated with the first PCB is located in proximity with a first electrically conductive pad associated with the second PCB thereby forming a capacitive configuration. | 2021-07-29 |
20210234253 | VEHICLE WINDOW GLASS WITH TERMINAL - A vehicle window glass with a terminal includes a glass plate, and a terminal connected, by lead-free solder, to an electrically conductive layer disposed on a surface of the glass plate, wherein the terminal at least one leg connected to the electrically conductive layer by the lead-free solder, and wherein at least one portion of the leg is covered with a thermal insulating member. | 2021-07-29 |
20210234254 | HEATABLE VEHICLE GLAZING WITH ANTENNAS - A slot antenna in a heatable vehicle glazing established between the heating bus bar, bus bar extensions and the peripheral edge of an IR reflective coating. The antenna slot may be fed directly by a voltage source, a current source, or a coupled coplanar line at locations that excite both fundamental and higher order modes for multiband antenna applications. The slot antenna may be established between split bus bars or split bus bar extensions that limit heat loss and improve antenna efficiency. Multiple antennas can be integrated into the heatable glazing for multiband applications and/or diversity antenna systems. | 2021-07-29 |
20210234255 | ANTENNA UNIT AND ELECTRONIC DEVICE - An antenna unit includes a plate-shaped dielectric substrate, as well as an antenna element and a stub element. The dielectric substrate has a first edge extending along a longitudinal direction of the dielectric substrate and a second edge extending along the longitudinal direction of the dielectric substrate, and the second edge is opposite to the first edge. The antenna element is disposed along the longitudinal direction of the dielectric substrate. The Antenna element has a first end containing a feedpoint and a second end containing an open end. The stub element is disposed between a section of the antenna element having a predetermined length containing the first end of the antenna element and the first edge of the dielectric substrate along the longitudinal direction of the dielectric substrate. The stub element has a first end connected to a reference potential and a second end containing an open end. | 2021-07-29 |
20210234256 | Antenna Module - An antenna module Includes a first substrate, a second substrate, the second substrate including at least one cavity at one of the first main surface. The first substrate includes at feast an RF antenna element and/or an RF chip and/or an RF conductive trace, which are arranged on the first main surface of the substrate. The first substrate is connected, with its first main surface, to the first main surface of the second substrate so that the RF elements project into the at least one cavity. | 2021-07-29 |
20210234257 | Phased Array Antenna Panel Having Reduced Passive Loss of Received Signals - A phased array antenna panel includes a first plurality of antennas, a first radio frequency (RF) front end chip, a second plurality of antennas, a second RF front end chip, and a combiner RF chip. The first and second RE front end chips receive respective first and second input signals from the first and second pluralities of antennas, and produce respective first and second output signals based on the respective first and second input signals. The combiner RE chip can receive the first and second output signals and produce a power combined output signal that is a combination of powers of the first and second output signals. Alternatively, a power combiner can receive the first and second output signals and produce a power combined output signal, and the combiner RF chip can receive the power combined output signal. | 2021-07-29 |