13th week of 2022 patent applcation highlights part 72 |
Patent application number | Title | Published |
20220102635 | ORGANIC LIGHT-EMITTING ELEMENT USING POLYCYCLIC AROMATIC DERIVATIVE COMPOUND - An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device. | 2022-03-31 |
20220102636 | ORGANIC MOLECULES FOR OPTOELECTRONIC DEVICES - The invention relates to an organic molecule, in particular for the application in optoelectronic devices. According to the invention, the organic molecule has a structure of formula I | 2022-03-31 |
20220102637 | PYRROMETHENE METAL COMPLEX, PYRROMETHENE COMPOUND, LIGHT-EMITTING ELEMENT MATERIAL, LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, AND ILLUMINATION DEVICE - An object of the present invention is to provide a red-light-emitting material and a red-light-emitting element that have high luminous efficiency and excellent color purity. The present invention is a pyrromethene metal complex represented by a specific general formula. | 2022-03-31 |
20220102638 | MASK-FRAME ASSEMBLY AND METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY APPARATUS BY USING THE SAME - Provided are a mask-frame assembly including (i) a frame including an opening portion, (ii) an open mask coupled to the frame to cover the opening portion and including a main portion including a plurality of openings located in the opening portion, a first rib connected to the main portion and extending in a first direction away from a center of the main portion, a second rib connected to the main portion and extending in a second direction across the first direction and away from the center of the main portion, and a first bridge portion connecting a first edge of the first rib in a direction toward the second rib to a second edge of the second rib in a direction toward the first rib, and (iii) mask sticks overlapping the open mask, having both ends coupled to the frame, and including a plurality of holes. | 2022-03-31 |
20220102639 | AQUEOUS SOLUTION PRECURSORS FOR MAKING OXIDE THIN FILMS, AND COMPOSITION AND METHOD FOR MAKING CONDUCTIVE OXIDE THIN FILMS THEREFROM - Reagents and aqueous solutions thereof are described that are useful for aqueous processing to form thin films comprising metal oxides. A film, or layered film, may be incorporated into working devices where the thin film provides useful optical properties, electrical properties, or both. | 2022-03-31 |
20220102640 | Organic Light Emitting Display Device - An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between an anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2. | 2022-03-31 |
20220102641 | FUNCTIONAL MATERIALS FOR OLED APPLICATIONS - Compounds of General Formula I may act electron transporting materials, hole blocking materials, and host materials. Devices incorporating compounds of General Formula I may have exhibit device performance characteristics. | 2022-03-31 |
20220102642 | LIGHT EMITTING DEVICE COMPOSITION AND LIGHT EMITTING DEVICE CONTAINING THE SAME - A composition which is useful for production of a light emitting device of which initial deterioration is suppressed, and a light emitting device formed using the composition, are provided. The composition contains a host material and a guest material blended therein. The host material contains an aromatic compound having a condensed ring skeleton in which only three or more benzene rings are condensed. The guest material contains an aromatic amine compound. The total amount of sodium atoms contained in the host material and sodium atoms contained in the guest material is 400 ppb by mass or less with respect to the total amount of the host material and the guest material. | 2022-03-31 |
20220102643 | COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF - Provides are a compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic element employing the same, and an electronic device thereof. | 2022-03-31 |
20220102644 | ORGANIC ELECTROLUMINESCENT DEVICE - The present invention relates to an organic electroluminescent device. The organic electroluminescent device of the present invention shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound. | 2022-03-31 |
20220102645 | PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME - The present disclosure relates to a plurality of host materials comprising at least one of a first host compound represented by formula 1 and at least one of a second host compound represented by formula 2 and an organic electroluminescent device comprising the same. By comprising the host materials, an organic electroluminescent device having low driving voltage and/or a high luminous efficiency and/or long lifespan can be provided. | 2022-03-31 |
20220102646 | COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME - A compound of Formula 1 and an organic light emitting device including the same, and the compound providing low driving voltage, high light emitting efficiency, and a long service life of the organic light emitting device. | 2022-03-31 |
20220102647 | Composition, Organic Semiconductor Layer and Electronic Device - The present invention relates to a composition, in particular to an organic semiconductor layer comprising a composition, suitable for use as an organic semiconductor layer for electronic devices, and a method of manufacturing the same, wherein the composition comprises: a) a compound of formula 1; and b) at least one organic metal complex, wherein the metal of the organic metal complex is selected from the group comprising alkali, alkaline earth or rare earth metal. | 2022-03-31 |
20220102648 | ORGANIC LIGHT-EMITTING DEVICES, DISPLAY PANELS AND DISPLAY APPARATUSES - Organic light-emitting devices, display panels and display apparatuses are provided. An organic light-emitting device includes: a first electrode layer; a first light-emitting layer provided on the first electrode layer and including a first host material and a first guest material; a second light-emitting layer provided on the first light-emitting layer and including a second host material and a second guest material; and a second electrode layer provided on the second light-emitting layer. The first guest material has a general structural formula as indicated in Formula I. X is selected from carbon, nitrogen, oxygen, sulfur, or boron; Y is selected from nitrogen or boron, and Y is different from X; and R | 2022-03-31 |
20220102649 | ESTERS CONTAINING AROMATIC GROUPS AS SOLVENTS FOR ORGANIC ELECTRONIC FORMULATIONS - The present invention relates to formulations for the preparation of organic electronic devices (OLEDs) which comprise (A) at least one specific ester solvent containing an aromatic group and (B) at least one organic functional material selected from organic conductors, organic semiconductors, organic fluorescent compounds, organic phosphorescent compounds, organic light-absorbent compounds, organic light-sensitive compounds, organic photosensitisation agents and other organic photoactive compounds, selected from organometallic complexes of transition metals, rare earth metals, lanthanides and actinides. | 2022-03-31 |
20220102650 | PHOTOELECTRIC CONVERSION ELEMENT, DEVICE, AND POWER SUPPLY MODULE - A photoelectric conversion element includes a substrate, a first electrode, an electron-transporting layer, a photoelectric conversion layer, a hole-transporting layer, and a second electrode. The first electrode, the electron-transporting layer, the photoelectric conversion layer, the hole-transporting layer, and the second electrode are disposed on or above the substrate. The photoelectric conversion layer includes an organic material represented by General Formula (1) below, and a N-type semiconductor material. | 2022-03-31 |
20220102651 | PHOTOELECTRIC CONVERSION ELEMENT, SOLAR CELL MODULE, POWER SUPPLY MODULE, AND ELECTRONIC DEVICE - Provided is a photoelectric conversion element including a first electrode, an electron-transporting layer, a hole-transporting layer, and a second electrode, wherein the hole-transporting layer includes a hole-transporting material, an alkali metal salt, and a hypervalent iodine compound. | 2022-03-31 |
20220102652 | ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE - An organometallic compound represented by Formula 1: | 2022-03-31 |
20220102653 | ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - An organometallic compound having a novel structure represented by Formula 1 and an organic light-emitting device including the same. In Formula 1, the substituents are the same as described in the Detailed Description. | 2022-03-31 |
20220102654 | ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC LIGHT-EMITTING DEVICE - Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an electronic apparatus including the organic light-emitting device, in which the organometallic compound may be represented by Formula 1-1: | 2022-03-31 |
20220102655 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - A compound having a structure of Formula I, | 2022-03-31 |
20220102656 | PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTRIC CONVERSION DEVICE, PHOTOELECTRIC CONVERSION ELEMENT PRECURSOR, LIGHT DETECTION METHOD, AND PRODUCTION METHOD FOR PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element includes a first layer, a second layer, and a third layer that are laminated in this order. The first layer is formed of a plurality of particles including an inorganic semiconductor as a main component, an aggregate of the particles, or a thin film including an inorganic semiconductor as a main component. The second layer is provided on a surface of each of the particles or the aggregate and is formed of a plurality of particles including a perovskite structure as a main component, an aggregate of the particles, or a thin film including a perovskite structure as a main component. The third layer is formed of a plurality of particles including an organic metal complex as a main component, an aggregate of the particles, or a thin film including an organic metal complex as a main component. | 2022-03-31 |
20220102657 | PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR BATTERY MODULE - The photoelectric conversion element includes a surface electrode, a backside electrode, a light absorption layer disposed between the surface electrode and the backside electrode, and a hole transport layer disposed between the backside electrode and the light absorption layer. The light absorption layer contains a conical or elliptical conical crystal. The crystal has a perovskite layer containing a perovskite compound. The hole transport layer contains an inorganic material. A solar battery module includes a plurality of photoelectric conversion elements connected in series. The photoelectric conversion elements are the aforementioned photoelectric conversion element. | 2022-03-31 |
20220102658 | PHOTODETECTOR COMPOSITION - A composition comprising a first compound and a second compound of formula (I) wherein EDG is an electron-donating group comprising a polycyclic hetero aromatic group and each BAG is an electron-accepting group of formula (II) --- is a bond to EDG; each R | 2022-03-31 |
20220102659 | PHOTOVOLTAIC MODULE - Photovoltaic module comprising a plurality of multijunction photovoltaic cells, at least one of said multijunction photovoltaic cells comprising :
| 2022-03-31 |
20220102660 | DEFECT SUPPRESSED METAL HALIDE PEROVSKITE LIGHT-EMITTING MATERIAL AND LIGHT-EMITTING DIODE COMPRISING THE SAME - Disclosed are a metal halide perovskite light-emitting material with controlled defects and wavelength converting body having the same, and light-emitting device. Monvalent organic cation (A | 2022-03-31 |
20220102661 | LIGHT EMITTING PANEL, DISPLAY APPARATUS, AND MANUFACTURING METHOD OF LIGHT EMITTING PANEL - Disclosed are a light emitting panel, a display apparatus, and a method for manufacturing the light emitting panel. The light emitting panel includes: a substrate, at least two electrode layers arranged on one side of the substrate, a light emitting layer between the electrode layers. An interfacial modification layer is arranged on one side of at least one of the electrode layers facing the light emitting layer. The interfacial modification layer includes: a polycyclic structure, a first electriferous group connected to a side of the polycyclic structure away from the light emitting layer, a second electriferous group connected to a side of the polycyclic structure facing the light emitting layer. Charges of the first and second electriferous group are different, so that the interfacial modification layer has a dipole moment, therefore a work function of the electrode layers in contact with the interfacial modification layer is adjusted. | 2022-03-31 |
20220102662 | LIGHT EMITTING DEVICE, DISPLAY SUBSTRATE AND DISPLAY EQUIPMENT - The present disclosure provides a light emitting device, a display substrate and a display equipment. The light emitting device includes: a light emitting layer, the light emitting layer including a host material including an aggregation-induced delayed fluorescent material and a guest material including at least one of a fluorescent material or a phosphorescent material. | 2022-03-31 |
20220102663 | ORGANIC LIGHT-EMITTING DIODE, METHOD FOR MANUFACTURING SAME, AND DISPLAY PANEL - An organic light-emitting diode (OLED) includes: a first electrode, a first light-emitting layer disposed on a side of the first electrode, a charge generation layer disposed on a side, away from the first electrode, of the first light-emitting layer, a second light-emitting layer disposed on a side, away from the first light-emitting layer, of the charge generation layer, and a second electrode disposed on a side, away from the charge generation layer, of the second light-emitting layer. The OLED further includes: a process conversion layer, disposed between the first electrode and the second electrode, and configured to fill an uneven region between the first electrode and the second electrode. | 2022-03-31 |
20220102664 | QLED DEVICES, HOLE TRANSPORT MATERIALS AND PRODUCING METHODS THEREOF, AND DISPLAY DEVICES - The present invention provides QLED devices, hole transport materials and producing methods thereof, and display devices. A hole transport material includes a polymer, wherein the polymer is a single nanoparticle including at least a first metal compound and a second metal compound, the first metal compound and the second metal compound are linked via a covalent bond or a Van der Waals force, and valence band energy levels of the first metal compound and the second metal compound are different. | 2022-03-31 |
20220102665 | ORGANIC ELECTROLUMINESCENT STRUCTURE AND FABRICATION METHOD THEREOF, AND DISPLAY DEVICE - This disclosure relates to an organic electroluminescent structure and, a fabrication method thereof, and a display device. The organic electroluminescent structure includes a base substrate; a passivation protective layer formed at a side of the base substrate, in which the passivation protective layer is formed with a plurality of inner cutting portions arranged at intervals at a side facing away from the base substrate; an anode layer including a plurality of anodes arranged at intervals, and each of the anodes is correspondingly formed on the second surface; an organic light-emitting functional layer having a hole injection layer, in which the hole injection layer includes a plurality of hole injection blocks arranged at intervals, and each of the hole injection blocks is correspondingly formed on one anode; and a cathode layer formed at a side of the organic light-emitting functional layer facing away from the anode layer. | 2022-03-31 |
20220102666 | DISPLAY PANEL AND ELECTRONIC APPARATUS INCLUDING THE SAME - A display panel includes an insulating substrate in which at least one hole is defined, wherein the insulating substrate comprises a hole area in which the hole is defined, a display area surrounding the hole area, and a peripheral area adjacent to the display area, a plurality of pixels in the display area, a plurality of main signal lines in the display area and electrically connected to the pixels, and a plurality of sub-signal lines in the hole area and electrically connected to the pixels, wherein the hole area comprises a line area which surrounds the hole and in which the sub-signal lines are located, and a compensation area between the line area and the display area in a plan view and configured to display a black color. | 2022-03-31 |
20220102667 | LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A highly reliable light-emitting device and a manufacturing method thereof are provided. A light-emitting element and a terminal electrode are formed over an element formation substrate; a first substrate having an opening is formed over the light-emitting element and the terminal electrode with a bonding layer provided therebetween; an embedded layer is formed in the opening; a transfer substrate is formed over the first substrate and the embedded layer; the element formation substrate is separated; a second substrate is formed under the light-emitting element and the terminal electrode; and the transfer substrate and the embedded layer are removed. In addition, an anisotropic conductive connection layer is formed in the opening, and an electrode is formed over the anisotropic conductive connection layer. The terminal electrode and the electrode are electrically connected to each other through the anisotropic conductive connection layer. | 2022-03-31 |
20220102668 | DISPLAY PANEL AND ELECTRONIC DEVICE - A display panel and an electronic device are provided. The display panel includes: an opening area; a display area surrounding the opening area; at least one isolation ring, wherein at least a part of the at least one isolation ring is located between the display area and the opening area, and the at least one isolation ring surrounds the opening area; and a drainage structure extending from a sidewall of an isolation ring in the at least one isolation ring along a straight line passing through a center of the isolation ring. | 2022-03-31 |
20220102669 | ORGANIC ELECTROLUMINESCENT STRUCTURE AND FABRICATION METHOD THEREOF, AND DISPLAY DEVICE - This disclosure relates to an organic electroluminescent structure and a fabrication method thereof, and a display device. The organic electroluminescent structure includes a base substrate; an anode layer formed on the base substrate, in which the anode layer comprises a plurality of anodes arranged at intervals; an organic light-emitting functional layer having a hole injection layer, in which the hole injection layer includes a plurality of hole injection blocks arranged at intervals, and each of the hole injection blocks is correspondingly formed on the second surface of one of the anodes; and a cathode layer formed at a side of the organic light-emitting functional layer facing away from the anode layer. | 2022-03-31 |
20220102670 | LIGHT-TRANSMITTING DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME, AND DISPLAY PANEL - A light-transmitting display panel and a display panel. The light-transmitting display panel includes an array substrate; first electrodes located on the array substrate; first light-emitting structures, each of the first light-emitting structures being located on one of the first electrodes; and a second electrode layer group located on the first light-emitting structures and including a first sub-electrode layer and a second sub-electrode layer that are stacked, where the first sub-electrode layer includes electrode blocks spaced from each other, an orthographic projection of each of the electrode blocks on the array substrate covers an orthographic projection of at least one first electrode on the array substrate, the second sub-electrode layer connects at least a part of adjacent electrode blocks of the electrode blocks, and transmittance of the second sub-electrode layer is greater than transmittance of the electrode blocks. | 2022-03-31 |
20220102671 | FOLDABLE DISPLAY PANEL WITH SHOCK ABSORBER - A shock-absorbing display panel apparatus for folding flat screen displays, the shock-absorbing apparatus includes a planar display layer comprising a viewing surface and an opposing non-viewing surface, the display layer further comprising at least one folding region and at least one non-folding region for folding along at least one axis of rotation; a shock absorber in co-planar peripheral contour with the display layer, the shock absorber having at least one first discontinuity sub-dividing the shock absorber into physically separate regions; an adhesive layer disposed between the shock absorber and the non-viewing surface; and wherein the adhesive layer has at least one second discontinuity between the shock absorber and the display panel in the at least one folding region of the display layer. | 2022-03-31 |
20220102672 | FOLDABLE SCREEN DEVICE, SUPPORTING DEVICE AND SUPPORTING STRUCTURE - A supporting structure, including: a carrying plate configured to carry a foldable screen; a supporting assembly comprising two supporting members, each of which are rotatably connected to the carrying plate; a coupling shaft located between the two supporting member and disposed parallel to the carrying plate and rotation axes of the two supporting members; and a connecting assembly, comprising a first connecting piece and a second connecting piece, the first connecting piece rotatably connected to the first supporting member and the coupling shaft respectively, and the second connecting piece rotatably connected to the second supporting member and the coupling shaft respectively; wherein, in a case that the coupling shaft is at a first position, the supporting structure is in a storage state; and in a case that the coupling shaft is at a second position, the two supporting members are configured to support the carrying plate. | 2022-03-31 |
20220102673 | ELECTRONIC APPARATUS - An electronic apparatus includes a display module including a front surface and a rear surface and displaying an image via the front surface and a chassis accommodating the display module. The chassis includes a bottom portion provided with an opening defined therethrough and including an inner surface adjacent to the display module and an outer surface facing the inner surface, a bezel portion protruding from the inner surface of the bottom portion, and a chassis plate disposed in the opening. | 2022-03-31 |
20220102674 | FLEXIBLE DISPLAY SCREEN, FLEXIBLE DISPLAY DEVICE AND MANUFACTURING METHOD OF FLEXIBLE DISPLAY SCREEN - A flexible display screen includes: a flexible substrate ( | 2022-03-31 |
20220102675 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device includes: a window; a display panel disposed on a rear surface of the window; an adhesive layer disposed between the window and the display panel and attaching the display panel to the window; and a protruding structure that protrudes from the rear surface of the window and includes a first surface facing the adhesive layer. | 2022-03-31 |
20220102676 | DISPLAY PANEL AND DISPLAY DEVICE - A display panel includes: a substrate; a display component layer disposed on a side of the substrate; an encapsulation layer disposed on a side of the display component layer away from the substrate; and a touch-control layer disposed on a side of the encapsulation layer away from the display component layer. The display component layer and the touch-control layer are bonded by a bonding structure. A through hole is disposed in the encapsulation layer, and the bonding structure is disposed in the through hole. According to the display panel provided in the embodiments of the present application, a touch-control chip and a display driving chip are integrated into one chip assembly, and a position of the touch-control layer contacted with a display screen body and an encapsulation area of the display screen body are overlapped. | 2022-03-31 |
20220102677 | PACKAGING STRUCTURE, DISPLAY PANEL AND DISPLAY DEVICE - Provided is a packaging structure, including an inorganic packaging layer and an organic packaging layer that are laminated on a substrate, wherein the organic packaging layer includes a microstructure layer and a planarization layer, a refractive index of the planarization layer being lower than that of the microstructure layer; wherein the microstructure layer includes a base structure on the inorganic packaging layer and a plurality of protrusion structures spaced apart on a surface of the base structure away from the inorganic packaging layer; and the planarization layer fills at least gaps between adjacent protrusion structures, and a side of the planarization layer away from the inorganic packaging layer is of a planar structure. | 2022-03-31 |
20220102678 | DISPLAY PANEL, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS USING THE SAME - A display panel includes: a substrate including an opening; a plurality of light-emitting elements arranged in a display area around the opening, the plurality of light-emitting elements each including a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode; a plurality of partition walls arranged in an intermediate area between the display area and the opening; and an encapsulation layer on the plurality of light-emitting elements, the encapsulation layer including an inorganic encapsulation layer and an organic encapsulation layer. The second electrode extends toward the intermediate area from the display area. An organic layer of the intermediate layer includes a plurality of opening portions arranged in a region from the opening to an edge portion of the second electrode facing the opening. | 2022-03-31 |
20220102679 | DISPLAY PANEL, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE - A display panel, a manufacturing method and a display device are provided. The display panel includes a substrate having a display area and a non-display area; a planarization layer covering the display area and the non-display area of the substrate; an organic light emitting element located in the display area and located at a side of the planarization layer away from the substrate; an encapsulation structure including a first inorganic layer, an organic layer and a second inorganic layer which are sequentially stacked, where the first inorganic layer and the second inorganic layer extend into a non-display area, and the first inorganic layer is arranged close to the planarization layer; and/or, a part of the planarization layer located in the non-display area is provided with a groove, and the groove is filled with a flexible water-oxidation resistant material. | 2022-03-31 |
20220102680 | DISPLAY DEVICE - A display device includes a substrate including a display area, a non-display area, a first additional area connected to the non-display area at a first boundary, and a second additional area connected to the first additional area at a second boundary, pixels on the display area, an encapsulation film on the pixels, electrodes on the encapsulation film, pads on the second additional area, sensing wires connecting the electrodes and the pads, a first sensing insulating film on the encapsulation film, and a second sensing insulating film on the first sensing insulating film. The substrate includes a curved first side in the first additional area and the first additional area decreases in width from the first boundary to the second boundary, and a boundary of the first sensing insulating film is closer to the first side than a boundary of the second sensing insulating film is to the first side. | 2022-03-31 |
20220102681 | ORGANIC LIGHT EMITTING COMPONENT, FABRICATION METHOD THEREOF, AND DISPLAY DEVICE - An organic light emitting component, including a substrate, an intermediate structure layer disposed on the substrate. The intermediate structure layer includes a display area and a non-display area at a periphery of the display area. The intermediate structure layer further includes a planarization layer, and an anti-shrinkage stop structure disposed at the non-display area and a display structure portion disposed at the display area are both disposed on the planarization layer and spaced apart from each other. The organic light emitting component includes a thin film encapsulation structure layer disposed on the surface of the intermediate structure layer facing away from the substrate. The anti-shrinkage stop structure is disposed between the thin film encapsulation structure layer and the planarization layer, and a free end of the anti-shrinkage stop structure extends into the thin film encapsulation structure layer. | 2022-03-31 |
20220102682 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a display device including providing a protection resin having a base resin, a first initiator, and a second initiator to the non-display area, irradiating light having a first wavelength region to the protection resin to form a preliminary protection layer, bending the flexible substrate so that the bending part has a first curvature radius, and additionally curing the preliminary protection layer to form a protection layer. | 2022-03-31 |
20220102683 | DISPLAY PANEL, METHOD FOR MANUFACTURING THE SAME AND DISPLAY DEVICE - A display panel includes a substrate and a grating disposed on a light-emitting side of the display panel. The grating includes a plurality of protruding portions and a plurality of interval portions, each interval portion is located between two adjacent protruding portions. The plurality of protruding portions are arranged on the substrate along a first direction, and each protruding portion extends along a second direction perpendicular to the first direction. Each protruding portion includes an outer surface and a bottom surface; the outer surface is a smooth curved surface, and the bottom surface is a flat surface. A cross-sectional figure of each protruding portion along a thickness direction of the display panel is a first figure; the first figure includes a curve and a bottom edge, and the first figure is a dosed figure formed by the curve and the bottom edge. The curve is a cross-sectional figure of the outer surface along the thickness direction of the display panel, and the bottom edge is a cross-sectional figure of the bottom surface along the thickness direction of the display panel. | 2022-03-31 |
20220102684 | ELECTROLUMINESCENT DISPLAY DEVICE - Matrix display device ( | 2022-03-31 |
20220102685 | BAND EDGE EMISSION ENHANCED ORGANIC LIGHT EMITTING DIODE-BASED DEVICES THAT EMIT MULTIPLE LIGHT WAVELENGTHS - Light emitting photonic crystals that comprise organic light emitting diodes and that are capable of emitting multiple wavelengths of light simultaneously and methods for fabricating the same are disclosed. Disclosed light emitting photonic crystals emit light at wavelengths at the two edges of a stop-band. Methods for adjusting the width of stop-bands of disclosed devices are also disclosed. | 2022-03-31 |
20220102686 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode (OLED) display may include: an OLED configured to emit light of wavelength λ; an encapsulation layer encapsulating the OLED, the encapsulation layer including: a first inorganic layer disposed on the OLED, the first inorganic layer including: one or more first layers having a first refractive index (n | 2022-03-31 |
20220102687 | DISPLAY MODULE AND METHOD FOR MANUFACTURING THE SAME, AND DISPLAY APPARATUS - A display module has a display area. The display area includes a main display area and a sub display area. The display module includes: a display panel, a first color filter layer disposed at a light exit side of the display panel and located in the main display area, and a polarizing layer disposed at the light exit side of the display panel and located in the sub display area. The polarizing layer serves to change a polarization direction of at least part of external light entering an inside of the display panel, so as to prevent the at least part of the external light entering the inside of the display panel from exiting from the light exit side of the display panel. | 2022-03-31 |
20220102688 | ORGANIC LIGHT EMITTING TRANSISTOR DEVICES WITH SHARED SUBSTRATES - In example implementations, an organic light emitting transistor is provided. The organic light emitting transistor includes a substrate, at least one layer deposited onto the substrate, a thin film transistor, and an organic light emitting transistor. The thin film transistor is formed on the substrate to include a first portion of the at least one layer and the organic light emitting transistor is formed on the substrate to include a second portion of the at least one layer. | 2022-03-31 |
20220102689 | Manufacturing Method for Display Substrate, Display Substrate and Display Device - A manufacturing method for a display substrate, a display substrate and a display device are provided. The display substrate includes a display area and a bonding area at one side of the display area. The bonding area includes an isolation area disposed close to the display area and a bonding pad area disposed at one side of the isolation area far away from the display area. The manufacturing method of the display substrate includes forming a driving structure layer in the display area of a substrate and a bonding structure layer in the bonding area of the substrate, forming a light emitting structure layer on the driving structure layer of the display area, forming an isolation dam on the bonding structure layer of the isolation area, forming an encapsulation structure layer in the display area. | 2022-03-31 |
20220102690 | METHOD FOR MANUFACTURING DISPLAY BACKPLANE, DISPLAY BACKPLANE, AND DISPLAY DEVICE - A method for manufacturing a display backplane, a display backplate, and a display device are disclosed. The method includes: forming a planarization layer on one side of a substrate inside a pixel region, a partition region, and a perforation region; forming at least one girdle of annular passivation layer disposed around the perforation region on a surface, away from the substrate, of the planarization layer inside a portion of the partition layer; removing a portion of the planarization layer, inside the partition region, uncovered by the annular passivation layer and the planarization layer, inside the partition region, partially covered by the annular passivation layer, to obtain at least one girdle of annular isolation columns disposed between the substrate and the annular passivation layer and around the perforation region; and forming organic light-emitting elements on one side of the planarization layer away from the substrate to obtain the display backplane. | 2022-03-31 |
20220102691 | Battery Expansion Control System - A battery pack includes a battery, an outer enclosure housing the battery to form a battery pack, and an expandable portion extending from the outer enclosure and allowing the battery pack to expand along an X-axis of the battery pack. The expandable portion includes an inner portion, an outer portion, and a gap portion between the inner portion and the outer portion. The inner portion and the outer portion have a sealing layer to seal off an interior space and the gap portion is devoid of the sealing layer. The sealing layer allows for fluid communication between the gap portion and the interior space when a pressure exerted on the sealing layer exceeds a pressure threshold. The expandable portion includes folds allowing the expandable portion to fold toward the battery pack in an initial folded configuration and expand away from the battery pack in an at least partially unfolded configuration. | 2022-03-31 |
20220102692 | RECHARGEABLE ENERGY STORAGE SYSTEM HIGH FLOW THERMAL VENT MANAGEMENT SYSTEM - A rechargeable energy storage system, includes a housing. A plurality of battery cells are disposed in the housing. A discharge vent passage is in communication with the housing, the discharge vent passage including a one-way valve and a nozzle. A chamber is in communication with the nozzle and including an air inlet passage with a one-way valve. An outlet pipe is connected to the chamber. According to an aspect, the air inlet passage of the thermal vent management system is arranged as a Venturi opening adjacent to the nozzle. | 2022-03-31 |
20220102693 | TEMPERATURE AND SPARK REDUCTION DEVICE - An electrochemical assembly includes a case defining an interior region, an electrochemical cell, a device, and a pressure relief valve. The electrochemical cell is disposed within the interior region. The device includes a spreader component. The spreader component includes a polymer matrix and an additive embedded in the polymer matrix. The additive includes an endothermic phase change material, a flame retardant material, an intumescent material, or any combination thereof. The device defines a device outlet. The pressure relief valve has a valve inlet fluidly connected to the interior region and a valve outlet fluidly connected to the device. The pressure relief valve is configured to transfer a gas from the interior region to the device when a pressure in the interior region exceeds a predetermined pressure. The spreader component is configured to be in fluid communication with the gas and direct the gas to the device outlet. | 2022-03-31 |
20220102694 | Electrode Slurry Coating Method and Apparatus Comprising Pressure Adjustment Member - The present technology relates to an electrode slurry coating method and apparatus comprising a pressure adjustment member for adjusting the discharge pressure of slurry, and enables electrode slurry to be discharged under constant pressure even when a coated part and an uncoated part are repeatedly formed on a current collector layer. | 2022-03-31 |
20220102695 | METHOD FOR PRODUCING ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS SECONDARY BATTERY - Provided is a method for producing an electrode active material capable of forming a non-aqueous secondary battery with superior durability and output characteristics. The method for producing an electrode active material for a non-aqueous secondary battery includes contacting a dispersion containing graphene and a dispersion medium with alkali-metal-transition-metal composite oxide particles, and the dispersion has a dispersibility index of 0.25 or more. | 2022-03-31 |
20220102696 | METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY - The present invention provides a method of manufacturing a positive electrode active material for a lithium ion secondary battery. The method includes a water-washing step of washing a lithium-nickel composite oxide containing lithium (Li), nickel (Ni) , and an element. M (wherein, the element M is at least one element selected from. Mn, V, Mg, Mo, Nb, T, Co, and Al) with water, and conducting a filtration to form a washed cake; a filling, step of filling, the washed cake which is a material to be dried and a tungsten compound without lithium into a dryer; and a drying step of drying the material to be dried by the dryer with flowing, wherein the filling step includes a time period in which the washed cake and the tungsten compound without lithium are supplied to the dryer at the same time. | 2022-03-31 |
20220102697 | DIRECT COATING OF ELECTRODES USING PYROLYSIS OF FLAT SHEETS IN SILICON-DOMINANT ANODE CELLS - Systems and methods are provided for direct coating of electrodes using pyrolysis of flat sheets in silicon-dominant anode cells. A plurality of flat electrode sheets may be formed, and at least a portion of the plurality of flat electrode sheets may be arranged into one or more stacks of flat electrode sheets. Each stack of flat electrode sheets may be placed onto a flat pyrolysis boat, and heat treatment (e.g., pyrolysis) may be applied to each flat pyrolysis boat. Forming of the flat electrode sheets may include use of cutting, punching, and/or notching, such as doing so based on predetermined electrode shapes and/or dimensions. The forming and/or arranging of the flat electrode sheets may be based on one or more predetermined criteria or considerations, such as shrinkage or expansion during the heat treatment. | 2022-03-31 |
20220102698 | ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, AND APPARATUS THEREOF - This application relates to an electrode plate, an electrochemical apparatus, and an apparatus thereof. The electrode plate includes a current collector, an electrode active material layer provided on at least one surface of the current collector, and an electrical connection member electrically connected to the current collector. The electrode active material layer is provided at a zone referred to as a membrane zone on a main body portion of the current collector, the electrical connection member and the current collector are welded and connected at a welding zone referred to as an adapting welding zone at an edge of the current collector, and a transition zone is referred to as an extension zone, where the transition zone is of the current collector between the membrane zone and the adapting welding zone and coated with no electrode active material layer. The current collector is a composite current collector. | 2022-03-31 |
20220102699 | Secondary Battery and Method for Manufacturing Same - A method for manufacturing a secondary battery according to the present invention includes the steps of: a) adding a point-type conductive carbon material to a negative electrode active material slurry and mixing the materials to prepare a first mixed slurry; b) adding a linear conductive carbon material to the first mixed slurry and mixing the materials to prepare a second mixed slurry; and c) coating a current collector with the second mixed slurry and performing rolling to manufacture an electrode. | 2022-03-31 |
20220102700 | SECONDARY BATTERY AND BATTERY MODULE, BATTERY PACK AND APPARATUS CONTAINING THE SAME - This application discloses a secondary battery, and a battery module, a battery pack and an apparatus containing the secondary battery. The secondary battery has a positive and negative electrodes having specific positive and negative active materials respectively, such that the secondary battery may have improved dynamic performance and at the same time have better cycle performance at high temperature and safety performance. | 2022-03-31 |
20220102701 | SECONDARY BATTERY, PROCESS FOR PREPARING THE SAME AND APPARATUS CONTAINING THE SECONDARY BATTERY - The present application relates to a secondary battery, a process for preparing the same and an apparatus containing the secondary battery. Particularly, the secondary battery comprises a negative electrode plate, wherein the negative electrode plate comprises a negative electrode current collector and a negative electrode film, and the negative electrode film comprises a first negative electrode film and a second negative electrode film; the first negative electrode film is disposed on at least one surface of the negative electrode current collector and comprises a first negative electrode active material; and the second negative electrode film is disposed on the first negative electrode film and comprises a second negative electrode active material; the first and second negative electrode active materials both comprise artificial graphite; the first negative electrode active material comprises primary particles, and a number percentage of the primary particles in the first negative electrode active material A satisfies A≥50%. | 2022-03-31 |
20220102702 | ANODE MATERIAL AND SOLID-STATE BATTERY - To provide an anode material which is resistant to deactivation even when it is exposed to an oxygen-containing gas atmosphere, and a solid-state battery using the same. An anode material for solid-state batteries that use a precipitation-dissolution reaction of lithium metal as an anode reaction, wherein the anode material is a multiphase alloy comprising a Li single phase and a Li-M alloy phase; wherein M of the Li-M alloy phase is at least one metal selected from the group consisting of Al, In and Zn; and wherein an amount of the M in the multiphase alloy is 0.90% by mass or more and 21.00% by mass or less. | 2022-03-31 |
20220102703 | PRODUCTION METHOD FOR CONDUCTIVE POLYMER INORGANIC SOLID ELECTROLYTE SECONDARY BATTERY - Production of conductive polymer inorganic solid electrolyte secondary batteries: (I) producing positive electrode with close-packed structure having a pore packing rate of at least 70% including a conductive material and an ion-transfer binder; (II) positive electrode obtained in (I) impregnated and filled and/or surface thin-film coated with conductive polymer solution; (III) inorganic solid electrolyte blended into the conductive polymer solution and casting shiny prepared on the positive electrode obtained in (II), surface-coated, and integrally formed with the positive electrode, or conductive polymer solid electrolyte membrane is prepared, press-bonded, and molded into two layers, to produce a positive electrode; heating (IV) positive electrode having the conductive polymer and inorganic solid electrolyte obtained in (III); and (V) positive electrode having conductive polymer solid electrolyte obtained in (IV) and bonding/heat pressing a negative electrode, or a negative electrode having the conductive polymer formulation solution impregnated and filled and/or surface thin-film coated thereupon. | 2022-03-31 |
20220102704 | ELECTROACTIVE PARTICLES HAVING ELECTRONICALLY CONDUCTIVE COATINGS - The present disclosure relates to a negative electrode material and methods of preparation and use relating thereto. The electrode material comprises a plurality of electroactive material particles, where each electroactive material particle includes an electroactive material core and an electronically conductive coating. The method includes contacting an electroactive material precursor including a plurality of electroactive material particles with a solution so as to form an electronically conductive coating on each of the electroactive material particles. The solution includes a solvent and one or more of copper fluoride (CuF | 2022-03-31 |
20220102705 | COMPOSITE SULFIDE ELECTRODE AND MANUFACTURING METHOD THEREFOR - A composite sulfide electrode and a manufacturing method therefor are disclosed. A method for manufacturing a composite sulfide electrode comprises the steps of: preparing a mixed solution of polyacrylonitrile (PAN) and a metallic oxide; stirring the prepared mixed solution; electrospinning the stirred mixed solution to prepare a wire-type precursor bearing a metallic oxide in PAN; drying the prepared wire-type precursor; mixing the dried wire-type precursor and a sulfur powder; and injecting a gas to the mixture of the wire-type precursor and the sulfur powder to sulfurize the wire-type precursor. | 2022-03-31 |
20220102706 | POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES, POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY - A positive electrode material for lithium ion secondary batteries is provided, wherein a ratio (A/B) of an oil absorption amount (A) of powder per unit mass of the material, which is measured using N-methyl-2-pyrrolidone, to a void volume (B) of powder per unit mass of the material is 0.30 or more and 0.85 or less, and a ratio (C/D) of a powder density (C) of the material, which is measured in a powder pressure test at a pressure of 4.5 MPa, to an initial powder density (D) of the material is 1.3 or more and 1.7 or less. | 2022-03-31 |
20220102707 | METHOD TO PREPARE COMPOSITE GRAPHITE PARTICLES FOR NONAQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, AND NONAQUEOUS SECONDARY BATTERY - The invention relates to composite graphite particles for a nonaqueous secondary battery negative electrode containing graphite (A) and metal particles (B) capable of alloying with Li, wherein the degree of dispersion of the metal particles (B) in the composite graphite particles is 0.78 or more and the internal void fraction of the composite graphite particles is 3% or more and 40% or less. | 2022-03-31 |
20220102708 | SECONDARY BATTERY, PROCESS FOR PREPARING SAME, AND APPARATUS COMPRISING SECONDARY BATTERY - The present application discloses a secondary battery, a process for preparing the same, and an apparatus including the secondary battery. The secondary battery includes a negative electrode plate, and the negative electrode plate includes a negative electrode current collector and a negative electrode film; the negative electrode film includes a first negative electrode coating layer and a second negative electrode coating layer; the first negative electrode coating layer is disposed on at least one surface of the negative electrode current collector and includes a first negative electrode active material, the first negative electrode active material includes graphite; the second negative electrode coating layer is disposed on a surface of the first negative electrode coating layer and includes a second negative electrode active material, and the second negative electrode active material includes artificial graphite and a silicon-based material. | 2022-03-31 |
20220102709 | NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND APPARATUS CONTIANING THE SECONDARY BATTERY - The present application discloses a negative electrode plate including a negative electrode active material layer including a first active material layer; wherein in a first cross section in a thickness direction of the negative electrode plate, the first active material has a size a in a direction parallel to the metal conductive layer, the first active material has a size b in the thickness direction, satisfying 0.8≤a/b≤20; in a second cross section in the thickness direction of the negative electrode plate, the first active material has a size c in the direction parallel to the metal conductive layer, the first active material has a size din the thickness direction, satisfying 0.8≤c/d≤20; and the first cross section is parallel to a first direction, the second cross section is parallel to a second direction, and the first direction intersects the second direction. | 2022-03-31 |
20220102710 | SECONDARY BATTERY, PROCESS FOR PREPARING THE SAME AND APPARATUS CONTAINING THE SECONDARY BATTERY - The present application relates to a secondary battery, a process for preparing the same and an apparatus containing the secondary battery. The negative electrode film of the secondary battery comprises a first negative electrode film and a second negative electrode film; the first negative electrode film is disposed on at least one surface of the negative electrode current collector and comprises a first negative electrode active material; and the second negative electrode film is disposed on the first negative electrode film and comprises a second negative electrode active material, the first negative electrode active material comprises natural graphite and the first negative electrode active material satisfies: 0.60≤S1≤0.85; and the second negative electrode active material comprises artificial graphite. The secondary battery according to the present application has both better low-temperature rate performance and longer high-temperature cycle life while having a higher energy density. | 2022-03-31 |
20220102711 | NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, SECONDARY BATTERY AND APPARATUS INCLUDING THE SECONDARY BATTERY - The present application discloses a negative electrode active material and a method for preparing the same, a secondary battery, and an apparatus including the secondary battery. The negative electrode active material includes a core and a coating layer covering the surface of the core, the core includes artificial graphite, the coating layer includes amorphous carbon, and the particle size uniformity of the negative electrode active material is from 0.25 to 0.45. | 2022-03-31 |
20220102712 | METHODS OF FORMING LITHIUM-SILICON ALLOYS FOR ELECTROCHEMICAL CELLS - Method for forming prelithiated electroactive materials are provided. Methods include preparing a precursor that includes lithium and silicon and centrifugally distributing the precursor using a centrifugal atomizing reactor. Methods for preparing the precursor include contacting a first mixture including lithium and having a first temperature and a second mixture including silicon and having a second temperature in a mixing chamber to form a precursor. The first mixture and the second mixture each enters the mixing chamber at a pressure greater than or equal to about 10 PSI. The second temperature is greater than the first temperature. The method may further include centrifugally distributing the precursor by contacting the precursor with a rotating surface in a centrifugal atomizing reactor and solidifying the precursor to form a plurality of substantially round solid electroactive particles including lithium and silicon and having D50 diameters of less than or equal to about 30 micrometers. | 2022-03-31 |
20220102713 | AQUEOUS BASED POLYMERS FOR SILICON DOMINANT ANODES - Systems and methods utilizing aqueous-based polymer binders for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and a water soluble polymer and may comprise one or more of the following materials: pH modifiers, viscosity modifiers, strengthening additives, surfactants and anti-foaming agents. The electrode coating layer may include more than 70% silicon and the anode may be in a lithium ion battery. | 2022-03-31 |
20220102714 | SECONDARY BATTERY AND BATTERY MODULE, BATTERY PACK AND APPARATUS COMPRISING THE SECONDARY BATTERY - The present application refers to secondary battery and battery module, battery pack and apparatus including the secondary battery. In particular, the secondary battery includes a housing as well as an electrode assembly and an electrolyte contained in the housing; the electrode assembly includes a positive electrode plate, a negative electrode plate and a separator, and the positive electrode plate includes a positive current collector and a positive electrode film that is disposed on at least one surface of the positive electrode current collector and includes a positive electrode active material; the positive electrode active material includes one or more of lithium nickel cobalt manganese oxide and lithium nickel cobalt aluminum oxide; the negative electrode plate includes a negative electrode current collector and a negative electrode film that is disposed on at least one surface of the negative electrode current collector and includes a negative electrode active material. | 2022-03-31 |
20220102715 | CATHODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND SECONDARY BATTERY INCLUDING CATHODE COMPRISING SAME - The present disclosure relates to a cathode active material, a method of preparing the same, and a lithium secondary battery including a cathode including the cathode active material, the cathode active material including: a transition metal (M) other than a Co element, includes at least one element of W, Mg and Ti, and further includes an S element, a preparation method thereof, and a lithium secondary battery including a cathode including the cathode active material. | 2022-03-31 |
20220102716 | METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A method of producing a positive electrode active material for a nonaqueous electrolyte secondary battery, the method includes preparing nickel-containing composite oxide particles having a ratio | 2022-03-31 |
20220102717 | POSITIVE ELECTRODE MATERIAL FOR HIGH-POWER LITHIUM ION BATTERY AND PREPARATION METHOD THEREOF - Disclosed is a positive electrode material for a high-power lithium ion battery. The positive electrode material is in form of secondary particles with a hollow microsphere structure, and a shell of the secondary particles is formed by aggregating a plurality of primary particles. The secondary particles have a uniform particle size, a loose and porous surface, and a large specific surface area. The obtained particles are regular in shape, stable in material structure, so that the positive electrode material has high rate performance and excellent cycle performance. The disclosure also provides a preparation method for the positive electrode material comprising (1) synthesizing a Ni | 2022-03-31 |
20220102718 | NICKEL MANGANESE COBALT COMPOSITE HYDROXIDE, METHOD FOR PRODUCING NICKEL MANGANESE COBALT COMPOSITE HYDROXIDE, LITHIUM NICKEL MANGANESE COBALT COMPOSITE OXIDE, AND LITHIUM ION SECONDARY BATTERY - A nickel manganese cobalt composite hydroxide, which is a precursor of positive electrode active material, and composed of secondary particles wherein primary particles containing nickel, manganese, and cobalt are aggregated, or composed of primary and secondary particles, wherein sodium content contained in nickel manganese cobalt composite hydroxide is less than 0.0005% by mass, and void ratio of particles of nickel manganese cobalt composite hydroxide is 20% to 50%. Also, ratio of average particle size of lithium nickel manganese cobalt composite oxide divided by average particle size of nickel manganese cobalt composite hydroxide, which is a precursor, is 0.95 to 1.05, and further, when observing 100 or more particles of lithium nickel manganese cobalt composite oxide selected randomly by scanning electron microscope, number that aggregation of secondary particles is observed is 5% or less with respect to total number of observed secondary particles. | 2022-03-31 |
20220102719 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING SAME - A method for producing a positive electrode active material for a non-aqueous electrolyte secondary battery. The method includes providing a composition containing a first lithium transition metal composite oxide having a 50% particle size | 2022-03-31 |
20220102720 | Procede de preparation d'un materiau actif d'electrode positive du type oxyde metallique lithie comprenant du titane - A method for preparing a positive electrode active material for a lithium battery consisting of a lithiated oxide comprising titanium and optionally one or more other metal elements comprising the following successive steps: a) a step of forming a precipitate comprising titanium and the optional other metal element(s) by contacting a titanium coordination complex and, if necessary, at least one salt of the other metal element(s) with an aqueous medium; b) a step of recovering the precipitate thus formed; c) a step of calcining the precipitate in the presence of a lithium source. | 2022-03-31 |
20220102721 | PRELITHIATION SOLUTION FOR GRAPHITE OR GRAPHITE COMPOSITE ANODE AND PRELITHIATION METHOD USING SAME - The present disclosure provides a prelithiation solution for a graphite or graphite/silicon composite anode, which includes: (a) a cyclic or linear ether-based solvent; and (b) an aromatic hydrocarbon-lithium complex, and has a reduction potential of 0.25 V (vs Li/Li | 2022-03-31 |
20220102722 | SULFUR ELECTRODE AND METHOD FOR MANUFACTURING SAME - A sulfur electrode and a method for manufacturing the same are disclosed. The method for manufacturing the sulfur electrode includes: growing carbon fibers on a surface of stainless steel; connecting the stainless steel on which the carbon fibers are grown to a cathode of a current controller in an aqueous solution in which sulfur ions are dissolved; and forming a sulfur thin film on each of surfaces of the carbon fibers grown on the surface of the stainless steel and in each of spaces between the carbon fibers by controlling a current of the current controller. | 2022-03-31 |
20220102723 | SECONDARY BATTERY AND APPARATUS CONTAINING THE SECONDARY BATTERY - This application discloses a secondary battery and an apparatus containing the secondary battery. The secondary battery comprises a positive electrode plate comprising a positive active material and a negative electrode plate comprising a negative active material. The negative active material comprises a first material and a second material, the first material comprises artificial graphite, and the second material comprises natural graphite. The positive active material comprises one or more of layered lithium transition metal oxides and modified compounds thereof, and a smoothness L of a surface of the negative electrode film away from the negative electrode current collector satisfies: 40≤L≤50; or the positive active material comprises one or more of lithium-containing phosphates with olivine structure and modified compounds thereof, and a smoothness L of a surface of the negative electrode film away from the negative electrode current collector satisfies: 45≤L≤55. | 2022-03-31 |
20220102724 | SECONDARY BATTERY AND APPARATUS CONTAINING THE SECONDARY BATTERY - This application discloses a secondary battery including a positive electrode plate and a negative electrode plate, wherein the positive electrode plate comprises a positive electrode current collector and a positive electrode film disposed on a surface of the positive electrode current collector and comprising a positive active material, the negative electrode plate comprises a negative electrode current collector and a negative electrode film disposed on a surface of the negative electrode current collector and comprising a negative active material. The positive active material comprises one or more of layered lithium transition metal oxides and modified compounds thereof, and a resistance R of the negative electrode plate satisfies: 6.0 mΩ≤R≤12.0 mΩ; or the positive active material comprises one or more of lithium-containing phosphates with olivine structure and modified compounds thereof, and a resistance R of the negative electrode plate satisfies: 3.0 mΩ≤R≤7.0 mΩ. | 2022-03-31 |
20220102725 | SILICON-CONTAINING ELECTROCHEMICAL CELLS AND METHODS OF MAKING THE SAME - An electrochemical cell is provided herein as well as methods for preparing electrochemical cells. The electrochemical cell includes a negative electrode and a positive electrode. The negative electrode includes a prelithiated electroactive material including a lithium silicide. Lithium is present in the prelithiated electroactive material in an amount corresponding to greater than or equal to about 10% of a state of charge of the negative electrode. The electrochemical cell has a negative electrode capacity to positive electrode capacity for lithium (N/P) ratio of greater than or equal to about 1, and the electrochemical cell is capable of operating at an operating voltage of less than or equal to about 5 volts. | 2022-03-31 |
20220102726 | SOLID-STATE LITHIUM-ION CONDUCTOR AND METHODS OF MANUFACTURE THEREOF - A solid-state ion conductor including a compound of Formula 1: | 2022-03-31 |
20220102727 | Electrode for Secondary Battery Having Improved Fast Charging Performance, Method of Manufacturing the Same, and Secondary Battery Including the Same - Provided is an electrode for a secondary battery, a method of manufacturing the same, and a secondary battery including the electrode. | 2022-03-31 |
20220102728 | BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIXTURE, ELECTRODE, ELECTROCHEMICAL DEVICE, AND SECONDARY BATTERY - A binder for an electrochemical device made of a polymer material including a first polymer containing a first constituent unit having a guest group in a side chain; and a second polymer containing a second constituent unit having a host group in a side chain. Also disclosed is an electrode mixture containing the binder, an electrode active material and a dispersion medium; an electrode containing the binder, an electrode active material and a current collector; an electrochemical device including the electrode; and a secondary battery including the electrode. | 2022-03-31 |
20220102729 | ELECTRODES WITH ACTIVE MATERIAL PARTICLES HAVING MIXED IONIC AND ELECTRONIC CONDUCTING LAYERS THEREON - A solid-state battery includes an anode, a cathode, and a solid electrolyte between the anode and cathode. The anode or cathode includes bonded active material particles having thereon a mixed ionic and electronic conducting conformal interface layer that provides a transport path for ions and electrons during operation of the solid-state battery, and lacks solid electrolyte particles. | 2022-03-31 |
20220102730 | ELECTROLYTIC COPPER FOIL AND NEGATIVE CURRENT COLLECTOR OF LITHIUM SECONDARY BATTERY - An electrolytic copper foil is provided, in which the average grain size of the electrolytic copper foil in cross-section measured by electron back scattered diffraction (EBSD) is 1 μm or less in diameter. Moreover, in an X-ray diffraction (XRD) pattern of a first surface of the electrolytic copper foil measured by X-ray diffraction, a ratio of the diffraction peak intensity of (111) crystal plane to the sum of the diffraction peak intensities of (111) crystal plane, (200) crystal plane, (220) crystal plane, and (311) crystal plane is 0.5 or more. | 2022-03-31 |
20220102731 | Lithium Secondary Battery and Production Method Thereof - A lithium secondary battery is disclosed herein. In some embodiments, a lithium secondary battery includes: a battery case having an interior region, a separator, wherein the separator divides the interior region into a first region and a second region, a positive electrode formed in the first region and including a positive electrode active material and positive electrode current collector particles; and a negative electrode formed in the second region and including a negative electrode active material and negative electrode current collector particles. | 2022-03-31 |
20220102732 | ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, AND APPARATUS THEREOF - This application relates to an electrode plate, an electrochemical apparatus, and an apparatus thereof. The electrode plate in this application comprises a current collector, an electrode active material layer disposed on at least one surface of the current collector, and an electrical connection member electrically connected to the current collector, where the current collector includes a support layer and a conductive layer disposed on at least one surface of the support layer, a single-sided thickness D2 of the conductive layer satisfies: 30 nm≤D2≤3 μm, and the support layer is a polymer material layer or a polymer composite material layer; and the electrode active material layer includes an electrode active material, a binder, and a conductive agent, and viewed in a width direction of a coated surface of the electrode plate, the electrode active material layer includes 2n+1 zones based on compacted density. | 2022-03-31 |
20220102733 | MEMBRANE ELECTRODE ASSEMBLY WITH IMPROVED PERFORMANCE USING TWO COMPONENT FLUORINATED BLENDED ELECTROLYTE ADDITIVES - An electrode layer can have an electrically conductive material, a catalyst, an ionomer binder, and a perfluorocarbon compound. The ionomer binder forms hydrophilic regions on the electrically conductive material to support proton and water transport. The perfluorocarbon compound forms hydrophobic regions on the electrically conductive material to support oxygen solubility and transport. The electrode can be used in making a membrane electrode assembly and can be configured as a cathode thereof. Fuel cells and fuel stacks can include such membrane electrode assemblies. | 2022-03-31 |
20220102734 | ELECTRODES WITH IMPROVED CELL REVERSAL TOLERANCE THROUGH FUNCTIONALIZED AND STABILIZED METAL OXIDES - A method for manufacturing a functionalized metal oxide product configured to be used in an anode catalyst layer of a fuel cell can include forming a catalyst solution, which can include mixing a metal oxide in water. A stock solution can be formed by mixing a fatty acid in water. The stock solution can be added to the catalyst solution to form a solid fraction and a liquid fraction. The solid fraction can be removed from the liquid fraction. The solid fraction can be washed and dried, thereby forming the functionalized metal oxide product. The functionalized metal oxide product is configured to improve the cell reversal tolerance of the fuel cell. | 2022-03-31 |