41st week of 2021 patent applcation highlights part 52 |
Patent application number | Title | Published |
20210320249 | NON-VOLATILE MEMORY ELEMENTS WITH A NARROWED ELECTRODE - Structures for a non-volatile memory element and methods of forming a structure for a non-volatile memory element. A switching layer is positioned over a first electrode, and a dielectric layer is positioned over the switching layer. The dielectric layer includes an opening extending to the switching layer. A second electrode includes a portion in the opening in the dielectric layer. The portion of the second electrode is in contact with a first portion of the switching layer. The switching layer further includes a second portion positioned between the dielectric layer and the first electrode. | 2021-10-14 |
20210320250 | Phase Change Switch with Multi Face Heater Configuration - A switching device includes first and second RF terminals disposed over a substrate, one or more strips of phase change material connected between the first and second RF terminals, a region of thermally insulating material that separates the one or more strips of phase change material from the substrate, and a heater structure comprising one or more heating elements that are configured to control a conductive connection between the first and second RF terminals by applying heat to the one or more strips of phase change material. Each of the one or more strips of phase change material includes a first outer face and a second outer face opposite from the first outer face. For each of the one or more strips of phase change material, at least portions of both of the first and second outer faces are disposed against one of the heating elements. | 2021-10-14 |
20210320251 | ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPLIANCE - An organic electroluminescence device, comprising: a cathode; an anode; and an emitting layer disposed between the cathode and the anode, wherein the emitting layer comprises: a compound represented by the following formula (1) and a compound represented by the following formula (11) (at least one of Ar | 2021-10-14 |
20210320252 | ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics can be provided. | 2021-10-14 |
20210320253 | A METHOD FOR FORMING A FILM OF A PEROVSKIT-LIKE MATERIAL - To improve the quality of semiconductor films, to reduce the culling of finished products, the parameters of which do not meet the established requirements in the method of forming a semiconductor film of a perovskite-like material, a layer of a perovskite-like material or a precursor of a perovskite-like material of the predefined thickness is deposited on the substrate, followed by halogen layer until liquefaction of the layer, then the halogen is gradually removed from the substrate until it is completely removed, ensuring the gradual crystallization of the perovskite-like material on a substrate to form perovskite-like material grains larger than perovskite-like material grains of the original film. | 2021-10-14 |
20210320254 | CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and includes an emission layer; and a fused cyclic compound represented by Formula 1 defined herein, wherein at least one of the first electrode and the second electrode, independently from one another, includes an indium tin oxide, an indium zinc oxide, a tin oxide, a zinc oxide, magnesium, silver, aluminum, lithium, aluminum-lithium, calcium, magnesium-indium, magnesium-silver, ytterbium, silver-ytterbium, or any combination thereof. | 2021-10-14 |
20210320255 | METHOD OF SCREENING FOR ELECTRON TRANSPORT MATERIAL AND HOLE BLOCKING MATERIAL USED IN ORGANIC LIGHT EMITTING DEVICE - A method of screening for an electron transport material included in an electron transport layer of an organic light emitting device and a method of screening for a hole blocking material included in a hole blocking layer of the organic light emitting device, the method using a heterogeneous electron transfer rate constant (K) value to select the electron transport material and an electron donating rate constant k | 2021-10-14 |
20210320256 | ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME - An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer and a hole transport region between the first electrode and the emission layer, the hole transport region includes a first hole transport layer and a second hole transport layer, the first hole transport layer includes a first hole transport compound and a p-type dopant, the second hole transport layer includes a second hole transport compound, and the emission layer includes a host compound represented by Formula 1 and a dopant compound represented by Formula 2: | 2021-10-14 |
20210320257 | ORGANIC ELECTROLUMINESCENCE DEVICE AND FUSED POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes a first electrode and a second electrode facing each other, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes a fused polycyclic compound represented by Formula 1, and the device exhibits improved luminous efficiency. | 2021-10-14 |
20210320258 | COMPOUND FOR AN ORGANIC ELECTRIC ELEMENT, AN ORGANIC ELECTRIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF - Provided are compound represented by Formula 1, an organic electric element including a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by including the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the organic electric element can be improved. | 2021-10-14 |
20210320259 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING HETEROCYCLIC COMPOUND - An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and including an emission layer; and at least one of heterocyclic compounds represented by Formulae 1-1 to 1-3, as defined herein. | 2021-10-14 |
20210320260 | HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME - A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, and the heterocyclic compound providing improved efficiency, low driving voltage, and improved lifetime characteristics of the organic light emitting device. | 2021-10-14 |
20210320261 | ORGANIC COMPOUND, AND ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME - An example of the present invention provides an organic compound represented by: | 2021-10-14 |
20210320262 | LUMINESCENT SOLAR CONCENTRATOR COMPRISING DITHIENYLPYRIDINETHIADIOAZOLE COMPOUNDS - Luminescent solar concentrator (LSC) having at least one dithienylpyridinethiadiazole compound having general formula (I) or (II): | 2021-10-14 |
20210320263 | ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - The present disclosure relates to an organic electroluminescent compound, a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as a single host material, or the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifetime properties. | 2021-10-14 |
20210320264 | MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to compounds, which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds. | 2021-10-14 |
20210320265 | ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME - The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of an amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including at least one of a first hole blocking material and a second hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative, and wherein the first hole blocking material is an azine derivative, and the second hole blocking material is a benzimidazole derivative. | 2021-10-14 |
20210320266 | FUSED HETERO 5-MEMBERED RING MOLECULE, p-TYPE SEMICONDUCTOR FILM AND ELECTRONIC DEVICE - To provide a fused hetero 5-membered ring molecule having further sufficiently high hole mobility. Disclosed is a fused hetero 5-membered ring molecule having, in one molecule, eight aromatic rings including three or five hetero 5-membered rings, and the eight aromatic rings having one or two naphthalene structures. The three or five hetero 5-membered rings are each independently selected from the group consisting of a thiophene ring, a selenophene ring, and a furan ring. | 2021-10-14 |
20210320267 | LIGHT-EMITTING DEVICE, LIGHT-EMITTING APPARATUS, LIGHT-EMITTING MODULE, ELECTRONIC APPARATUS, LIGHTING APPARATUS, ORGANOMETALLIC COMPLEX, LIGHT-EMITTING MATERIAL, ORGANIC COMPOUND, AND DINUCLEAR COMPLEX - The emission efficiency of a light-emitting device that emits near-infrared light is increased. The reliability of a light-emitting device that emits near-infrared light is increased. A light-emitting device using an organic compound that emits light having a maximum peak wavelength greater than or equal to 760 nm and less than or equal to 900 nm is provided. An organometallic complex represented by General Formula (G1) is provided. In the formula, each of R1 to R11 independently represents hydrogen or an alkyl group having 1 to 6 carbon atoms; at least two of R1 to R4 and at least two of R5 to R9 represent an alkyl group having 1 to 6 carbon atoms; X represents a substituted or unsubstituted benzene ring or naphthalene ring; n is 2 or 3; and L represents a monoanionic ligand. | 2021-10-14 |
20210320268 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a display apparatus includes forming a first substrate on a support substrate; forming a first barrier layer on the first substrate; and forming a conductive layer by implanting n-type impurities or p-type impurities in the first barrier layer and at least a portion of the first substrate. A display apparatus includes a conductive layer arranged on a substrate and a barrier layer arranged on the conductive layer. The conductive layer is doped with n-type impurities when the first barrier layer is doped with n-type impurities, and the conductive layer is doped with p-type impurities when the first barrier layer is doped with p-type impurities. | 2021-10-14 |
20210320269 | CURVED DISPLAY AND LIGHTING DEVICE BASED ON A MIURA-ORI STRUCTURE - A flexible display device that can conform to complex curved surfaces, and methods for manufacturing said display device, are disclosed herein. The display device utilizes a Miura-ori origami structure that, in a folded or at least partially folded configuration, is able to conform to complex curved surfaces. The Miura-ori structure involves folding a two-dimensional substrate in accordance with crease lines comprising a tessellation of parallelograms. Each cell of the tessellation pattern can include one or more luminous elements (LEDs, OLEDs, etc.) bonded to circuit elements embedded within the flexible substrate (e.g., Parylene-C). | 2021-10-14 |
20210320270 | NEAR-INFRARED TERNARY TANDEM SOLAR CELLS - A photovoltaic cell comprises an anode, a cathode, a first subcell positioned between the anode and the cathode, the first subcell comprising a first donor material and a first acceptor material, and a second subcell positioned between the first subcell and the cathode, the second subcell comprising a second donor material and a second acceptor material. A method of fabricating a photovoltaic cell is also described. | 2021-10-14 |
20210320271 | White-light QLED component, backlight module and illumination apparatus - A white-light QLED component, comprising: a transparent substrate, an anode layer, a HI layer, a HT layer, an emission layer, an ET layer, and a cathode layer. The emission layer is incorporated with a plurality of yellow QDs and a plurality of blue QDs, wherein the yellow QDs and the blue QDs have a mixing ratio in a range between 1:4 and 1:8. Experimental data have revealed that, a color temperature of a white light radiated from the white-light QLED component is modulatable by adjusting the weight percent of the yellow QDs in the emission layer, such that the QLED component can be decided to provide a cold white light, a pure white light or a warm white light. It can also control the white-light QLED component to optionally emit cold white light, pure white light or warm white light by modulating a bias voltage. | 2021-10-14 |
20210320272 | LIGHT-EMITTING DIODE DEVICE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY PANEL AND DISPLAY APPARATUS - A light-emitting diode device and a manufacturing method therefor, and a display panel and a display apparatus. The light-emitting diode device comprises a quantum dot light-emitting layer, and a hole transport layer located at one side of the quantum dot light-emitting layer, wherein the hole transport layer comprises a perovskite material and an organic hole transport material. The high carrier mobility of a perovskite material can improve the carrier transport performance of a hole transport layer. | 2021-10-14 |
20210320273 | ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME - An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer located between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a host and a dopant, the host includes a first compound and a second compound, and the first compound, the second compound, and the dopant are different from one another. Two compounds in the host included in the emission layer may have different HOMO and LUMO energy levels and may form an exciplex, and a difference between a HOMO energy level and a LUMO energy level of the exciplex (ΔE | 2021-10-14 |
20210320274 | LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING SAME - A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material. | 2021-10-14 |
20210320275 | DISPLAY DEVICE WITH HIGHER SCREEN-TO-BODY RATIO - A display that includes a display panel and a window laminated with the display panel is presented. The display panel may include: a main panel region including a first side extending in a first direction and a second side extending in a second direction crossing the first direction; a first sub-panel region that is in contact with the first side and is bent; and a second sub-panel region that is in contact with the second side and is bent. A panel corner part of the main panel region adjacent to the first sub-panel region and the second sub-panel region is rounded. | 2021-10-14 |
20210320276 | DISPLAY PANEL AND ELECTRONIC DEVICE INCLUDING SAME - A display device includes: a base substrate including a front surface and a rear surface, and comprising a display region and a peripheral region adjacent to the display region in a plan view; an organic light-emitting element on the display region; and a sealing layer on the organic light-emitting element. The base substrate includes: a module hole in the display region, and passing through the front surface and the rear surface; a first recess at the display region and recessed from the front surface, the first recess surrounding the module hole in the plan view; and a second recess at the display region and recessed from the front surface, the second recess surrounding the first recess in the plan view. The first recess and the second recess have different widths from each other in a direction parallel to the front surface. | 2021-10-14 |
20210320277 | DISPLAY SUBSTRATE, DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY SUBSTRATE - There are provided a display substrate, a display device, and a method of manufacturing the display substrate. The display substrate comprises a planarization layer; a pixel definition layer on the planarization layer, wherein the pixel definition layer comprises an opening and a rib surrounding the opening; a first electrode on the planarization layer and within the opening; a light-emitting portion located within the opening and electrically connected to the first electrode; an auxiliary electrode on the rib of the pixel definition layer; an insulating portion between the first electrode and the auxiliary electrode; and a second electrode covering the auxiliary electrode and the light-emitting portion. | 2021-10-14 |
20210320278 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A display apparatus includes a first substrate, a main pixel circuit located on the first substrate and including a first semiconductor layer, an auxiliary pixel circuit located on the first substrate and including a second semiconductor layer, a buffer layer located between the first substrate and the first semiconductor layer and between the first substrate and the second semiconductor layer, and a barrier layer located between the first substrate and the buffer layer, including one material from among silicon nitride (SiN | 2021-10-14 |
20210320279 | PROTECTION FILM AND ELECTRONIC DEVICE INCLUDING THE SAME - A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: | 2021-10-14 |
20210320280 | DISPLAY DEVICE AND FABRICATION METHOD THEREOF - A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer. | 2021-10-14 |
20210320281 | Electronic Devices With Light Sensors And Displays - An electronic device is provided with a display and a light sensor that receives light that passes through the display. The display includes features that increase the amount of light that passes through the display. The features may be translucency enhancement features that allow light to pass directly through the display onto a light sensor mounted behind the display or may include a light-guiding layer that guides light through the display onto a light sensor mounted along an edge of the display. The translucency enhancement features may be formed in a reflector layer or an electrode layer for the display. The translucency enhancement features may include microperforations in a reflector layer of the display, a light-filtering reflector layer of the display, or a reflector layer of the display that passes a portion of the light and reflects an additional portion of the light. | 2021-10-14 |
20210320282 | METHOD OF MANUFACTURING DISPLAY DEVICE - A manufacturing method of a display device includes irradiating a laser beam onto a work panel along a beam irradiation line corresponding to an outer edge of the display device including a first thickness area and a second thickness area. The irradiating of the laser beam includes first irradiating the laser beam under a first driving condition to provide a first portion of the beam irradiation line at the first area, stopping driving of the laser beam while changing the first driving condition to a second driving condition different from the first driving condition, after the first irradiating of the laser beam, and second irradiating the laser beam under the second driving condition to provide a second portion of the beam irradiation line at the second area, after the stopping of the driving of the laser beam. | 2021-10-14 |
20210320283 | DISPLAY DEVICE - A display device includes a display panel including a first area, a second area disposed on the first area, and a bending area extending from the first area to the second area, where the first area includes a first flat area and a first curved area disposed between the bending area and the first flat area, a driver disposed on the first flat area, a cover panel disposed between the first area and the second area, and a space layer including a first adhesive layer disposed between the cover panel and the first curved area and a second adhesive layer disposed between the cover panel and the first flat area. Here, the first adhesive layer has an adhesive property different from an adhesive property of the second adhesive layer. | 2021-10-14 |
20210320284 | METHOD OF FABRICATING DISPLAY DEVICE - Disclosed is a method of fabricating a display device. The method comprises forming a dielectric layer on an encapsulation layer including a first encapsulation region and a second encapsulation region adjacent to the first encapsulation region, forming a conductive layer on the dielectric layer, forming a first photoresist layer on the conductive layer that overlaps each of the first and second encapsulation regions, forming a second photoresist layer on the first photoresist layer that overlaps the second encapsulation region, and etching the conductive layer based on the first and second photoresist layers. When viewed in a thickness direction of a display panel including the encapsulation layer, at least a portion of the encapsulation layer overlapping the second encapsulation region has a thickness greater than that of the encapsulation layer overlapping the first encapsulation region. | 2021-10-14 |
20210320285 | BATTERY ENCLOSURES WITH STRUCTURAL ENHANCEMENTS - Batteries according to embodiments of the present technology may include an electrode stack including a separator positioned between an anode and a cathode. The batteries may include an electrolyte. The batteries may include an enclosure extending about the electrode stack and containing the electrolyte. The enclosure may include a rigid housing defining a volume in which the electrode stack and the electrolyte are contained. The rigid housing may define a flange extending about the rigid housing. The enclosure may include a lid extending across the rigid housing. The lid may be characterized by a length and a width, and the lid may define a protrusion extending beyond the length or width on a side of the lid at a location corresponding to a predetermined strain location. | 2021-10-14 |
20210320286 | BATTERY AND METHOD OF MANUFACTURING THEREOF - A battery includes a plurality of energy storage units, a flexible linkage arranged to physically and electrically connect each adjacent pair of energy storage units, and an encapsulation arranged to encapsulate the energy storage units and the linkages. The energy storage units are movable with respect to each other via the flexible linkage within each adjacent pair of energy storage units in the encapsulation. | 2021-10-14 |
20210320287 | ELECTRODE STRUCTURE, METHOD FOR PRODUCING ELECTRODE STRUCTURE, ELECTROLYTIC CELL, AND ELECTROLYZER - An electrode structure including:
| 2021-10-14 |
20210320288 | METHOD FOR PRODUCING A DRY FILM, ROLLING DEVICE, DRY FILM, AND SUBSTRATE COATED WITH THE DRY FILM - The invention relates to a method for producing a dry film ( | 2021-10-14 |
20210320289 | ACCELERATED FORMATION OF INTERCALATION COMPOUNDS WITHIN CAPACITOR OR BATTERY CELL NEGATIVE ELECTRODE - A manufacturing method for the formation of lithium, potassium, and/or calcium intercalation compounds on a negative electrode for a battery or capacitor cell is disclosed. The battery or capacitor cell is constructed with a negative electrode that may contain graphitic carbon, silicon, metal oxide, and/or complex metal oxides and a lithium, potassium, and/or calcium ion source supplemental electrode. After construction of the cell, a method of controlled electrical contact is applied between the positive electrode and negative electrode to accelerate and regulate a process of ion exchange between the supplemental metal ion source electrode and the negative electrode which results in the formation of intercalation compounds within the negative electrode, and produces a battery or capacitor with a higher working voltage, high cycle life, and long DC life. | 2021-10-14 |
20210320290 | POSITIVE ELECTRODE ACTIVE MATERIAL INCLUDING LITHIUM COBALTATE COATED WITH LITHIUM TITANATE AND MAGNESIUM OXIDE - A positive electrode active material which can improve cycle characteristics of a secondary battery is provided. Two kinds of regions are provided in a superficial portion of a positive electrode active material such as lithium cobaltate which has a layered rock-salt crystal structure. The inner region is a non-stoichiometric compound containing a transition metal such as titanium, and the outer region is a compound of representative elements such as magnesium oxide. The two kinds of regions each have a rock-salt crystal structure. The inner layered rock-salt crystal structure and the two kinds of regions in the superficial portion are topotaxy; thus, a change of the crystal structure of the positive electrode active material generated by charging and discharging can be effectively suppressed. In addition, since the outer coating layer in contact with an electrolyte solution is the compound of representative elements which is chemically stable, the secondary battery having excellent cycle characteristics can be obtained. | 2021-10-14 |
20210320291 | Rechargeable Lithium Battery with a Composite Anode - The invention relates to a rechargeable lithium battery comprising a composite anode (negative electrode) containing a metal nitrogen compound as the electrochemically active component in the composite anode, according to the general formulas (I) and/or (II) | 2021-10-14 |
20210320292 | ELECTROACTIVE MATERIALS FOR SECONDARY BATTERIES | 2021-10-14 |
20210320293 | METHOD FOR RECOVERING LITHIUM BATTERY ACTIVE CATHODE MATERIAL FROM CATHODE WASTE - A method for recovering and recycling a cathode active material comprises combining a cathode waste from a lithium battery cathode waste stream with lithium-containing compound (e.g., lithium hydroxide) to form a reaction mixture; wherein the cathode waste comprises carbon, a fluorinated polymeric binder, and a cathode material selected from the group consisting of a lithiated cathode material and a delithiated cathode material; heating the reaction mixture in a stream of oxygen-containing gas to a temperature and for a period of time sufficient to burn off the carbon and the binder, to lithiate any delithiated cathode material present in the cathode waste, and for lithium in the reaction mixture to capture fluoride formed from decomposition of the binder; cooling the reaction mixture to ambient room temperature; and recovering the lithiated cathode active material. | 2021-10-14 |
20210320294 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A negative electrode active material for a lithium secondary battery which includes: silicon particles; and a coating layer surrounding respective silicon particles, wherein the silicon particles have a full width at half maximum (FWHM) of peak ranging from 2 to 10 in the particle diameter distribution having an average particle diameter (D | 2021-10-14 |
20210320295 | PROTECTED ZINC METAL ELECTRODES AND METHODS FOR RECHARGEABLE ZINC CELLS AND BATTERIES - A protected zinc electrode, rechargeable cell, and methods of fabricating and operating the protected zinc electrode are provided. The protected zinc electrode includes a zinc electrode including an electrode active material including bulk zinc metal. The protected zinc electrode also includes a protective structure in physical continuity with the bulk zinc metal. The protective structure includes one or more layers. Each layer includes a solid-electrolyte component forming a continuous Zn2+ ion-conducting network throughout the layer. | 2021-10-14 |
20210320296 | Method of Producing a Rechargeable High-Energy Battery Having an Anionically Redox-Active Composite Cathode - The invention relates to a method for producing a rechargeable high-energy battery with an anion-redox-active composite cathode containing lithium hydroxide as the electrochemically active component, which is mixed and contacted with electroconically or mixed-conductive transition metals and/or transition metal oxides, so that an electronically or mixed-conductive network is formed, this mixture is applied to a current drain, and the composite cathode thus formed is placed in a cell housing together with a separator, a lithium-conductive electrolyte and a lithium-containing anode, so that an electrochemical cell is present and is subjected to at least one initial forming cycle. | 2021-10-14 |
20210320297 | LITHIUM SECONDARY BATTERY - Provided is a lithium secondary battery including a positive electrode layer composed of a cobalt-containing lithium composite oxide sintered body, a negative electrode layer composed of a titanium-containing sintered body, a ceramic separator interposed between the positive electrode layer and the negative electrode layer, an electrolyte impregnating at least the ceramic separator, and an exterior body having a closed space and accommodating the positive electrode layer, the negative electrode layer, the ceramic separator, and the electrolyte within the closed space. The positive electrode layer, the ceramic separator, and the negative electrode layer are bonded together. The lithium composite oxide sintered body contains, as an auxiliary agent, 0.05 to 2.0 mol % of boron with respect to the content of cobalt in the lithium composite oxide sintered body or 0.05 to 1.2 mol % of strontium with respect to the aforementioned cobalt content. | 2021-10-14 |
20210320298 | Lithium Fluoride-Containing Coatings for Cathode Active Materials in Li-Ion Batteries - The disclosure provides a plurality of particles. Each particle may include a material comprising 0.95 to 1.30 mole fraction Li, at least 0.60 and less than 1.00 mole fraction Co, up to 10,000 ppm Al, 1.90 to 2.10 mole fraction O, and up to 0.30 mole fraction M, where M is at least one element selected from B, Na, Mg, P, Ti, Ca, V, Cr, Fe, Mn, Ni, Cu, Zn, Al, Sc, Y, Ga, Zr, Ru, Mo, La, Si, Nb, Ge, In, Sn, Sb, Te, and Ce. Each particle may also include a surface composition comprising a mixture of LiF and a metal fluoride. An amount of fluorine (F) is greater than 0 and less than or equal to 5000 ppm. The metal fluoride comprises a material selected from the group consisting of AlF | 2021-10-14 |
20210320299 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY - A negative electrode active material for a secondary battery includes silicate composite particles each of which contain a silicate phase and silicon particles dispersed in the silicate phase, the silicate phase is an oxide phase containing Si, O, and alkali metals, and the alkali metals include at least Na and K. | 2021-10-14 |
20210320300 | METAL OXIDES IN LEAD-ACID BATTERIES - Disclosed is a lead acid battery having a negative electrode plate and a positive electrode plate, each plate formed of a lead-antimony grid coated with an active material. A separator is disposed between the first and second electrode plate faces and an electrolyte solution immersing the negative electrode plate, the positive electrode plate the separator. At least one of the lead-antimony electrode grids, the separator or the electrolyte solution contains TiO | 2021-10-14 |
20210320301 | SOLID OXIDE FUEL CELL INTERCONNECT - Disclosed is a solid oxide fuel cell including an electrode-electrolyte assembly and an interconnect in communication with the electrode-electrolyte assembly, wherein the interconnect comprises a carbon matrix composite. | 2021-10-14 |
20210320302 | ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL - An electrode catalyst layer includes a catalyst material, a conductive carrier, which supports the catalyst material, a polymer electrolyte, and a fibrous material. The electrode catalyst layer includes a three-dimensional network of a flow path. The flow path includes a plurality of terminal points and a plurality of branches. Each of the branches is an elongated hole connecting a pair of the terminal points. The plurality of branches include a bifurcated branch. One of the pair of the terminal points of the bifurcated branch is connected to another branch. The number of branches per unit volume of the electrode catalyst layer is 8500 or more and 13000 or less. The unit volume is defined as 3.9 μm×3.9 μm×4.4 μm. | 2021-10-14 |
20210320303 | STYRENE-BASED COPOLYMER FOR ELECTRODE BINDER OF SOLID ALKALINE FUEL CELL AND MEMBRANE ELECTRODE ASSEMBLY COMPRISING THE SAME - The present disclosure relates to a styrene-based copolymer for an electrode binder of a solid alkaline fuel cell, represented by the following Chemical Formula 1, an electrode binder including the same, and a membrane electrode assembly including the electrode binder. The electrode binder for a solid alkaline fuel cell is obtained by dispersing the styrene-based copolymer for an electrode binder in a mixed solvent of alcohol with water. Thus, even when coating electrode catalyst slurry including the electrode binder directly on an electrolyte membrane, the electrolyte membrane is not damaged so that the quality of a solid alkaline fuel cell using the same may be improved. | 2021-10-14 |
20210320304 | METHOD FOR PRODUCING A NOBLE METAL-FREE CATALYST, A NOBLE METAL-FREE CATALYST, A FUEL CELL AND A MOTOR VEHICLE - A method for producing a noble metal-free catalyst comprises providing a catalyst support comprising organic heterocycles as catalyst, and applying an oxidation-inhibiting protective layer. Embodiments further relate to a noble metal-free catalyst, a fuel cell, and a motor vehicle. | 2021-10-14 |
20210320305 | Redox-Active Interfaces For Accelerated Liquid-Solid Charge Transfer Reactions - Provided herein is a redox flow battery comprising an anode comprising anodic redox mediators; a negative electrolyte tank comprising an anolyte; and an anode pump capable of circulating the anolyte through the anode. The redox flow battery further comprises a cathode comprising cathodic redox mediators; a positive electrolyte tank comprising a catholyte and a cathode pump capable of circulating the catholyte through the cathode. A separator is between the anode and cathode. | 2021-10-14 |
20210320306 | FUEL CELL - The invention relates to a fuel cell ( | 2021-10-14 |
20210320307 | LITHIUM PRIMARY CELL AND SMART METER - A lithium primary cell includes an electrode group and a non-aqueous electrolytic solution. The electrode group includes a positive electrode, a negative electrode, and a separator, in which the positive electrode and the negative electrode are wound with the separator interposed therebetween. In the electrode group, an area where the positive electrode and the negative electrode face each other is 250 cm | 2021-10-14 |
20210320308 | METHOD FOR PREPARING MODULAR PLANAR INTERCONNECT PLATE - A method for preparing a modular planar interconnect plate for a solid oxide fuel cell includes the steps of: (a) providing a metal blank sheet, (b) stamping a main region of the metal blank sheet to form a plurality of columns of upper protrusions on an upper surface of the main region of the metal blank sheet and a plurality of columns of lower depressions on a lower surface of the main region of the metal blank sheet, and (c) stamping the main region of the metal blank sheet to form a plurality of rows of lower protrusions on a lower surface of the main region of the metal blank sheet and a plurality of rows of upper depressions on the upper surface of the main region of the metal blank sheet. | 2021-10-14 |
20210320309 | STAMPING ASSEMBLY FOR PREPARING MODULAR PLANAR INTERCONNECT PLATE - A method for preparing a modular planar interconnect plate for a solid oxide fuel cell includes the steps of: (a) providing a metal blank sheet, (b) stamping a main region of the metal blank sheet to form a plurality of columns of upper protrusions on an upper surface of the main region of the metal blank sheet and a plurality of columns of lower depressions on a lower surface of the main region of the metal blank sheet, and (c) stamping the main region of the metal blank sheet to form a plurality of rows of lower protrusions on a lower surface of the main region of the metal blank sheet and a plurality of rows of upper depressions on the upper surface of the main region of the metal blank sheet. | 2021-10-14 |
20210320310 | SEPARATOR PLATE FOR A PROTON-EXCHANGE MEMBRANE FUEL CELL - The present disclosure provides a separator plate suitable for use in a proton-exchange membrane fuel cell. Also provided is a fuel cell and an article including the separator plate. Further, the present disclosure provides a fuel cell stack where each fuel cell includes the separator plate. Additionally, a closed-cathode proton-exchange membrane fuel cell stack is disclosed. | 2021-10-14 |
20210320311 | HUMIDIFIER, FUEL CELL DEVICE HAVING A HUMIDIFIER, AND MOTOR VEHICLE - A humidifier has a plurality of humidifier modules that are clamped between end plates by tie rods and have a membrane that is permeable to water vapor, in which on both sides of the membrane there is respectively arranged a flow field frame having a multiplicity of webs defining a flow field. The tie rods are configured as hollow rods forming coolant tubes for a coolant to be led through. A fuel cell device and a motor vehicle having such a humidifier are also provided. | 2021-10-14 |
20210320312 | METHOD AND DEVICE FOR PREDICTING SERVICE LIFE AND REMAINING LIFE OF FUEL CELL - Provided are method and device for predicting service life and remaining life of a fuel cell. The method includes: activating the fuel cell, obtaining an initial polarization curve of the fuel cell, and selecting a first point having a first current in the initial polarization curve; determining a life end point of the fuel cell according to the initial polarization curve and a decay ratio; obtaining a current polarization curve, and determining a second point having a second current and a same voltage as the first point in the current polarization curve; and determining the service life of the fuel cell according to the first current, the second current, a current relationship between two polarization curves and a service life algorithm of the fuel cell, and obtaining the remaining life of the fuel cell according to the service life and a time of the current polarization curve. | 2021-10-14 |
20210320313 | FUEL CELL HAVING A MODULAR BASE ACTIVE AREA - A modular fuel cell includes a membrane electrode assembly interposed between a pair of bipolar plates, and the membrane electrode assembly has a total active area measured in an x-y plane that is generally perpendicular to the z-axis. Each bipolar plate includes a plurality of common passages extending generally parallel to the z-axis. The total active area of the membrane electrode assembly includes a plurality of base active areas arranged co-planar in the x-y plane along an x-axis. | 2021-10-14 |
20210320314 | MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL - A membrane electrode assembly according to the present disclosure is a membrane electrode assembly including: a solid electrolyte membrane containing an electrolyte material; and an electrode in contact with a reactant gas, wherein the electrode includes a structural support including a ceramic member, and a pore extending from a boundary surface in contact with the reactant gas toward the solid electrolyte membrane in the structural support and filled with a filler having at least one selected from the group consisting of hydrogen oxidation activity, oxygen reduction activity, proton reduction activity, steam decomposition activity, and oxide ion oxidation activity. | 2021-10-14 |
20210320315 | ANION EXCHANGE POLYMERS AND ANION EXCHANGE MEMBRANES FOR DIRECT AMMONIA FUEL CELLS - An anion exchange polymer includes aryl ether linkage free polyarylenes having aromatic/polyaromatic rings in polymer backbone and a tethered alkyl quaternary ammonium hydroxide side groups. This anion exchange polymer may be utilized in an anion exchange process and may be made into a thin anion transfer membrane. An ion transfer membrane may be mechanically reinforced having one or more layers of functional polymer based on a terphenyl backbone with quaternary ammonium functional groups and an inert porous scaffold material for reinforcement. An anion exchange membrane may have multilayers of anion exchange polymers which each containing varying types of backbones, varying degrees of functionalization, or varying functional groups to reduce ammonia crossover through the membrane. | 2021-10-14 |
20210320316 | SOLID OXIDE FUEL CELL INTERCONNECT - Disclosed is a solid oxide fuel cell including an electrode-electrolyte assembly and an interconnect in communication with the electrode-electrolyte assembly, wherein the interconnect has a porosity gradient. | 2021-10-14 |
20210320317 | FUEL CELL SYSTEM FOR PORTABLE APPLICATIONS - A fuel cell system component includes a glass ceramic composite. | 2021-10-14 |
20210320318 | MODULAR AND COMPACT IMPLANTATION OF BATTERY MODULES IN A CONTAINER - The invention relates to a method for installing battery modules in a container in such a way as to maximize the amount of energy installed, while providing modularity of the voltage delivered by the container. The invention also relates to a method for installing electrochemical elements of parallelepipedal format in a volume of parallelepipedal format, such as a module or a vertical volume of a container. | 2021-10-14 |
20210320319 | METHOD FOR IMPROVING PERFORMANCE OF LAYERED ELECTRODE MATERIALS - Disclosed is a method for improving the performance of a layered electrode material. An interlayer spacing of the layered electrode material is measured and donated as (b). A salt compound is selected and added into a solvent with a molecular diameter of (c) to prepare an electrolytic solution, where a diameter (a) of a cation in the salt compound is smaller than the interlayer spacing (b), and c>b−a. The electrolytic solution is used as the working electrolytic solution for the layered electrode material. | 2021-10-14 |
20210320320 | STABILIZATION OF LI-ION BATTERY ANODES - Li-ion batteries are provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, a separator electrically separating the anode and the cathode, and at least one hydrofluoric acid neutralizing agent incorporated into the anode or the separator. Li-ion batteries are also provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode, where the electrolyte may be formed from a mixture of an imide salt and at least one salt selected from the group consisting of LiPF | 2021-10-14 |
20210320321 | Solution-Assisted Densification of NaSICON Ceramics - A sodium-ion conducting NaSICON ceramic can be densified via the addition of a solvent to a NaSICON powder and subsequent pressing under high pressure and mild heat. Densification to ˜90% relative density can be achieved, providing a path toward low-temperature fabrication of Na-ion conductors. | 2021-10-14 |
20210320322 | 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 a polymer represented by a specific formula. Provided are also 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 are formed of the solid electrolyte composition, a sheet for an all-solid state secondary battery, and a method of manufacturing an all-solid state secondary battery. | 2021-10-14 |
20210320323 | STACKED SOLID STATE BATTERIES AND METHODS OF MAKING THE SAME - A solid-state battery and a method of making the same are disclosed. The battery includes a base frame or support, first and second exterior contacts on the base frame/support, stacked solid-state battery unit cells, first and second electrical connections, and encapsulation in contact with the base frame/support and covering the solid-state battery unit cells and the electrical connections. Each stacked solid-state battery unit cell is on a metal substrate and has exposed cathode and anode current collectors. The electrical connections respectively electrically connect the exposed cathode and anode current collectors to the first and second exterior contacts. The method includes forming the stacked solid-state battery unit cells on the base frame/support, forming the exterior contacts on the base frame/support, electrically connecting the exposed cathode and anode current collectors to the respective exterior contacts, and encapsulating the solid-state battery unit cells and the electrical connections. | 2021-10-14 |
20210320324 | MULTILAYER SOLID-STATE ELECTROLYTE, BATTERY CELLS INCLUDING THE SAME, AND METHODS OF MAKING THE SAME - A multilayer solid-state electrolyte, solid-state battery cells including the same, and methods of making the electrolyte and the battery cells are disclosed. The multi-layer solid-state electrolyte includes a solid bulk electrolyte layer comprising carbon-doped lithium phosphorus oxynitride (LiPON) or WO | 2021-10-14 |
20210320325 | Solid Composition And Method For Producing Solid Electrolyte Molded Body - A solid composition according to the present disclosure includes first particles constituted by a first solid electrolyte containing at least lithium, an oxide having a different formulation from the first solid electrolyte, and an oxoacid compound. It is preferred that the oxide and the oxoacid compound are contained in second particles that are different from the first particles. It is preferred that the oxoacid compound contains at least one of a nitrate ion and a sulfate ion as an oxoanion. | 2021-10-14 |
20210320326 | ELECTROLYTE MATERIAL AND METHODS OF FORMING - A solid electrolyte material can include an ammonium-containing complex metal halide. In an embodiment, the ammonium-containing complex metal halide can be represented by (NH | 2021-10-14 |
20210320327 | ION CONDUCTIVE MATERIAL, ELECTROLYTE INCLUDING ION CONDUCTIVE MATERIAL, AND METHODS OF FORMING - A solid ion conductive material can include a complex metal halide. The complex metal halide can include at least one alkali metal element. In an embodiment, the solid ion conductive material including the complex metal halide can be a single crystal. In another embodiment, the ion conductive material including the complex metal halide can be a crystalline material having a particular crystallographic orientation. A solid electrolyte can include the ion conductive material including the complex metal halide. | 2021-10-14 |
20210320328 | LITHIUM ION CONDUCTING SULFIDE GLASS FABRICATION - Preparation of anhydrous lithium sulfide (Li | 2021-10-14 |
20210320329 | Solid Electrolytes, Electronic Devices, and Methods - Solid electrolytes, including lithium-argyrodite solid electrolytes, and electronic devices, such as lithium-ion batteries that include the solid electrolytes. Methods of making solid electrolytes, including methods for making solid electrolytes with varying degrees of lithium deficiency. | 2021-10-14 |
20210320330 | WIDE-RANGE TEMPERATURE ELECTROLYTE, PREPARATION THEREOF AND LITHIUM ION BATTERY - Disclosed herein is a wide-range temperature electrolyte, a preparation thereof and a lithium ion battery. The wide-range temperature electrolyte includes a glycerin segment, a diisocyanate segment and a segment containing at least two terminal hydroxyl groups and one disulfide bond, and the self-healing electrolyte has a three-dimensional cross-linked network structure. The wide-range temperature electrolyte introduces a large number of repetitive disulfide bond groups and self-complementary hydrogen bond structures into molecules of an electrolyte base material having self-complementary hydrogen bond structures, so as to form the three-dimensional cross-linked network structure. An intermolecular exchange reaction of the disulfide bonds realizes a cross-scale (molecular, micro, and macro-scale) damage sensing response of the electrolyte and a rapid self-healing of the material, and further achieves a multi-level (molecule-component-device-system) self-healing repair function. | 2021-10-14 |
20210320331 | SOLID POLYMER MATRIX ELECTROLYTE (PME) FOR RECHARGEABLE LITHIUM BATTERIES AND BATTERIES MADE THEREWITH - A rechargeable lithium battery is provided. The battery includes an anode comprising an anode binder polymer and an anode active material, a cathode comprising a cathode binder polymer and a cathode active material and a polymer-matrix electrolyte (PME) comprising an electrolyte polymer, a lithium salt and an electrolyte solvent. The polymer-matrix electrolyte is positioned between the anode and the cathode and directly contacts the anode and cathode to form a battery cell. The polymer-matrix electrolyte interpenetrates into the adjacent anode and cathode to form an integral structure. | 2021-10-14 |
20210320332 | ELECTROLYTE MEMBRANE FOR ALL-SOLID-STATE BATTERIES, AND METHOD FOR MANUFACTURING SAME - Provided is a solid electrolyte membrane including a support member, such as a porous sheet, embedded in an electrolyte membrane, wherein the support member is coated with an inhibiting material for inhibiting growth of lithium dendrite. Thus, the solid electrolyte membrane has excellent physical strength, such as puncture strength, and improved durability. In addition, the solid electrolyte membrane has an effect of inhibiting lithium dendrite growth. Thus, when the solid electrolyte membrane is applied to a lithium metal battery including lithium metal as a negative electrode material, there is provided an effect of improving the life characteristics of the battery. | 2021-10-14 |
20210320333 | NON-AQUEOUS ELECTROLYTIC SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolytic solution including a predetermined cyano ester compound and a cyclic sulfuric acid ester. | 2021-10-14 |
20210320334 | NONAQUEOUS ELECTROLYTE, CAPACITOR DEVICE USING SAME, AND CARBOXYLIC ACID ESTER COMPOUND USED IN SAME - The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in the case of using an energy storage device at a high temperature and at a high voltage and further capable of inhibiting the gas generation while maintaining a capacity retention rate after storage at a high temperature and at a high voltage and also provides an energy storage device using the same. Disclosed is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing a carboxylic acid ester compound represented by the following general formula (I). | 2021-10-14 |
20210320335 | SOLID-STATE THIN FILM BATTERY FOR MICROCOMPUTING DEVICES - A device includes a solid-state thin film battery (STFB) configured for use as an energy storage device of a microcomputing device. The STFB includes an anode and a cathode to account for voltage mismatch by enabling a first electromotive force associated with the STFB to be less than a second electromotive force associated with a photovoltaic device of the microcomputing device. | 2021-10-14 |
20210320336 | Secondary Battery And Method For Manufacturing The Same - The secondary battery according to the present invention may comprise the separator pocket part having the accommodation groove in which the first electrode plate is accommodated and a radical unit provided as the second electrode plate disposed on one surface of the separator pocket part to secure the stacking property, safety, and insulation. | 2021-10-14 |
20210320337 | BATTERY MODULE - The application provides a battery module, which includes a plurality of batteries, an upper cover, and a pressing strip. The pressing strip covers an explosion-proof valve of a battery, and includes a main body portion and a bottom plate portion. The bottom plate portion is connected to the main body portion and forms an accommodating cavity together with the main body portion. A fire extinguishing agent is sealed in the accommodating cavity. The bottom plate portion of the pressing strip is configured to be melted. The fire extinguishing agent is constantly stored in the accommodating cavity of the pressing strip, so as to avoid wasteful use of the fire extinguishing agent caused by the same flowing in all directions, so that the amount of the fire extinguishing agent can be maintained at a constant level at all times. | 2021-10-14 |
20210320338 | BATTERY PACK - This application relates to a battery pack. In one aspect, the battery pack includes at least one battery cell, a heat transfer piece arranged on the battery cell at a position spaced apart from a charge-discharge path, and a circuit board including a lead portion coupled to the heat transfer piece and a main body connected to the lead portion. The circuit board is configured to acquire temperature information from the at least one battery cell. The battery pack further includes a temperature sensor arranged on the lead portion, a moisture-proof layer provided on the temperature sensor and configured to block penetration of external substances onto the temperature sensor, and an anti-shock layer provided on the moisture-proof layer and configured to absorb external shock. The battery pack is configured to accurately detect the temperature of the at least one battery cell and has a temperature sensing structure improved for reliably protecting the temperature sensor. | 2021-10-14 |
20210320339 | SHUTDOWN METHOD AND TERMINAL - A shutdown method applicable to a terminal having a rechargeable battery, the method includes: determining a first impedance and a second impedance of the rechargeable battery, wherein the first impedance is an impedance determined based on a current temperature of the rechargeable battery, and the second impedance is an impedance determined based on a current number of charge times of the rechargeable battery; determining a target impedance as a larger impedance value from the first impedance and the second impedance; determining a shutdown voltage of the terminal based on a preset open circuit voltage of the rechargeable battery, the target impedance and a current operating current of a charging circuit; and controlling the terminal to shut down, when an operating voltage of the rechargeable battery is decreased to the shutdown voltage. | 2021-10-14 |
20210320340 | BATTERY PACK - A battery pack including a frame including a thermistor seat and a thermistor accommodated in the thermistor seat; at least one battery cell on the frame and connected to the thermistor; and a protective circuit module, the protection circuit module including a projection between a portion of the thermistor and the at least one battery cell. | 2021-10-14 |
20210320341 | BATTERY PACK HOUSING - A battery pack housing for improved cooling efficiency of a battery cell is disclosed. A cooling fluid introduced into a battery pack of the battery pack housing flows to generate turbulence around a battery tab at which high-temperature heat is typically generated. A flow rate and a flow velocity of the cooling fluid may be increased around the battery tab, the cooling fluid may be more actively circulated, and a temperature deviation between cells in the battery pack may be effectively reduced so that performance degradation of the battery pack may be prevented and a lifetime of the battery pack may be increased. In addition, even when the same amount of cooling fluid is used, the cooling efficiency of the battery pack may be improved, and an amount of the fluid needed for cooling may be reduced to simplify an entire system of the battery pack. | 2021-10-14 |
20210320342 | INORGANIC PARTICLE LAYER, ELECTRODE, ELECTRODE ELEMENT, AND NON-AQUEOUS ELECTROLYTE POWER STORAGE ELEMENT - An inorganic particle layer for use in an electrode of a non-aqueous electrolyte power storage element is provided. The inorganic particle layer includes an inorganic particle and a polymer. The inorganic particle is insulating and has a surface potential. The polymer has an ionic functional group (A) and an ion-conducting functional group (B) each charged opposite to the surface potential of the inorganic particle. The inorganic particle and the polymer are bonded to each other. | 2021-10-14 |
20210320343 | A DUCT AND A METHOD OF MANUFACTURING A DUCT - A battery pack comprises one or more cells | 2021-10-14 |
20210320344 | THERMAL MANAGEMENT STRUCTURE WITH FLUID CHANNELS - The invention relates to a structure comprising at least one thermal management element comprising: a composite body ( | 2021-10-14 |
20210320345 | BATTERY MODULE - A battery module includes a phase change material in an insulation sheet to absorb heat and reduce thermal conductivity, thereby preventing or reducing heat transfer between battery cells, and delaying, preventing, or reducing an event that may be caused by the heat. As an example, the battery module includes a plurality of battery cells and a plurality of insulation sheets interposed between the plurality of battery cells, where each of the insulation sheets includes a heat-insulating sheet having a first surface and second surface, a plurality of through-holes defined in the heat-insulating sheet and passing between the first surface and the second surface opposite the first surface, and a phase change material filled in the plurality of through-holes. | 2021-10-14 |
20210320346 | BATTERY PACK - A battery pack has a plurality of battery stacks, a case, and a thermal insulation cover. The case accommodates the plurality of battery stacks. The thermal insulation cover is arranged so as to expose an outer surface of at least one battery stack from among the plurality of battery stacks inside the case, and to cover an outer surface of a battery stack that is adjacent to the exposed battery stack. A difference obtained by subtracting an amount of removed heat from an amount of heat generated during heat generation is greater in the battery stack that is exposed from the thermal insulation cover than in the battery stack that is covered by the thermal insulation cover. | 2021-10-14 |
20210320347 | Electrical Energy Storage Unit for a Motor Vehicle, and Method for Operating Such an Electrical Energy Storage Unit - An electrical energy storage unit for a motor vehicle, having at least one storage unit cell designed to store electrical energy, which storage unit cell has a cell housing in which an electrolyte and an electrode device are arranged, and having a temperature control device that has at least one temperature control channel arranged outside the cell housing, which temperature control channel is able to be flowed through by a temperature control fluid in order to control the temperature of the storage unit cell. At least one heating device is able to be supplied with the electrical energy stored in the storage unit cell and thereby able to be electrically operated. By way of the heating device, the storage unit cell is able to be heated, wherein the heating device is able to be operated without any damage only when the storage unit cell has a state of charge that is not more than 60% of the maximum state of charge of the storage unit cell. | 2021-10-14 |
20210320348 | BATTERY PACK - A battery pack includes: a plurality of battery cells each including a terminal surface on which a terminal unit is arranged, a bottom surface opposite the terminal surface, and first and second side surfaces connecting the terminal surface to the bottom surface; and pack cases accommodating the plurality of battery cells in two rows such that the bottom surfaces face each other, and including a flow path plate which is between the bottom surfaces of the battery cells in the two rows, and including a plurality of flow paths accommodating a flow of a cooling medium, and first and second tank plates which define first and second connection tanks, respectively, that are fluidly connected to the plurality of flow paths, and which extend across the flow path plate from upper and lower portions of the flow path plate, respectively, to cover the first and second side surfaces. | 2021-10-14 |