Abstract: The present disclosure relates to a cooling system and a charging pile. The cooling system includes at least one fan configured to draw airflow from the radial outside during operation and discharge the drawn airflow in the axial direction. At least one radiator, each radiator of the at least one radiator being disposed to circumferentially surround a corresponding fan of the at least one fan. The radiator includes a curved section that at least partially follows the contour of the corresponding fan and includes a plurality of radiator fins arranged in a stacked manner relative to one another along the axial direction. A gap is formed between at least one pair of adjacent radiator fins in the height direction perpendicular to the circumferential direction and the axial direction, the gap allowing airflow to flow from the circumferential outside of the radiator toward the circumferential inside of the radiator.

Abstract: A method, a device and a non-transitory computer-readable storage medium for video encryption and encryption key hiding, the method first detecting whether a captured video frame contains sensitive information, and if the video frame is detected to contain sensitive information, encrypting the region containing the sensitive information and embedding the encryption key in the video frame, and simultaneously embedding the position information of the embedded encryption key in the audio data as a watermark.

Abstract: Aspects of the disclosure provide an energy storage device that can include a cathode, an anode, and a solid polymer electrolyte. The solid polymer electrolyte can include polyvinylidene fluoride (PVDF) and bis(trifluoro-methanesulfonyl)imide (LiTFSI). A mass content of the LiTFSI can be greater than a mass content of the PVDF. The solid polymer electrolyte can have a structural composition based on forming the solid polymer electrolyte using a solution comprising a solid content, comprising the PVDF and LiTFSI, and one or more solvents for dissolving the solid content, the solid content being approximately 0.19 or greater of the solution.

Abstract: A method, a device and a non-transitory computer-readable storage medium for video encryption and encryption key hiding, the method first detecting whether a captured video frame contains sensitive information, and if the video frame is detected to contain sensitive information, encrypting the region containing the sensitive information and embedding the encryption key in the video frame, and simultaneously embedding the position information of the embedded encryption key in the audio data as a watermark.

Abstract: A display panel and a display equipment. The display panel has a bending area and flattening areas located on two sides of the bending area in a length direction of the display panel, and includes: a display structure layer; a first insulating layer located on a side of the display structure layer, the first insulating layer includes a first organic layer and a first inorganic layer that are stacked, the first inorganic layer includes a first body part and at least one first filling parts, structural stiffness of the first filling part is less than that of the first body part, and the first filling part is located in the bending area; and a touch layer located on a side of the first insulating layer away from the encapsulation layer.

Abstract: A method for preparing high nickel lithiated metal oxides that includes selecting one or more nickel precursors; at least one non-corrosive lithium salt; and a plurality of metal oxide or hydroxide precursors. The metal precursors and lithium salts are mixed together to form a mixture comprising: LixNiyMzN(1?y?z)O(2?a)Fa??(F-1) wherein x=1.0-1.1, 0.80?y?0.90, 0.03<z?0.15, and 0?a?0.05; M is Co or Fe; and N is Al, Mn, Fe, Ca, Mg, Ti, Cr, Nb, Mo, W, B, or a mixture thereof provided N may be Fe when M is Co. The mixture is subjected to sintering (1st step) in air at ?750° C. to form a powder. The powder is subjected to a 2nd sintering step in O2 at ?750° C. to form the high nickel lithiated metal oxides.

Abstract: A method for preparing titanium dioxide that includes the steps of providing at least one titanium precursor: providing one or more potassium precursors: mixing the at least one titanium precursor with the one or more potassium precursors to form a mixture: wherein the mixture has a potassium to titanium (K/Ti) molar ratio of 2.0/4.0<K/Ti<2.0/2.4; sintering the mixture at a temperature in the range of 750° C. to 900° C. for a predetermined time to form a powder: soaking the heated powder in an acidic solution: collecting and drying the acid-soaked powder: and treating the collected powder thermally at a temperature in the range of 300° C. to 500° C. for a predetermined time to form the TiO2. The titanium oxide formed has a monoclinic crystal structure. TiO2(B), as its major crystal phase with a mass percentage that is >50% of the overall mas of the TiO2.

Abstract: A cell for use in an electrochemical cell having positive and negative electrodes. The positive electrode includes a current collector and a pre-lithiated active cathode material formed of one or more of Li1+xMn2O4, Li1+xNi0.5Mn1.5O4, Li1+xNiO2, Li1+xCoO2, Li1+xNiaCobMncAlO2, wherein x is in the range of 0.1 to 1.0; a+b+c+d=1; a?0.5; 0<b?0.3; 0?c?0.3; and 0?d?0.05. The negative electrode includes a current collector and an active anode material that is a mixture of at least carbon and a silicon material. The silicon material is silicon metal, SiOy, or a mixture or composite thereof with y ranging between 0?y<2. The carbon is graphite, soft carbon, or hard carbon. The cell has a positive electrode exhibiting a 1st cycle Coulombic efficiency (CEcathode) and a negative electrode exhibiting a 1st cycle Coulombic Efficiency (CEanode), such that CEcathode<CEanode.

Abstract: A method, a device and a non-transitory computer-readable storage medium for video encryption and encryption key hiding, the method first detecting whether a captured video frame contains sensitive information, and if the video frame is detected to contain sensitive information, encrypting the region containing the sensitive information and embedding the encryption key in the video frame, and simultaneously embedding the position information of the embedded encryption key in the audio data as a watermark.

Abstract: A process of preparing a pre-lithiated lithium manganese-based oxide product for use as a cathode active material in an energy storage device. The process includes mixing together a lithium manganese-based oxide having a spinel crystal structure. a lithium salt, and KOH to form a mixture. This mixture is exposed to a temperature within the range of 226° C. to 450° C. in the presence of a reducing agent to form the pre-lithiated lithium manganese-based oxide product. The reducing agent comprises NH3 and the amount of lithium salt and KOH present in the mixture are in a ratio that results in at least a portion of the lithium salt being in a liquid state at the selected temperature. The KOH is removed from the pre-lithiated lithium manganese-based oxide product and the resulting product collected. An energy storage device using the pre-lithiated lithium manganese-based oxide product as a cathode active material is also provided.

Abstract: A process of preparing a Li1+xMn2O4 product (wherein. 0<x?1) for use as a cathode active material in an energy storage device. The process including stirring together LiMn2O4, a lithium (Li) precursor, and an organic compound to form a slurry, wherein the organic compound has at least two hydroxyl (—OH) groups. Placing the slurry into a container that is subsequently sealed, such that the sealed container is configured to generate its' own autogenous pressure. Exposing the slurry in the sealed container to a temperature in the range of about 80° C. to about 250° C. for a period of time that ranges from about 1 hour to about 48 hours to form the Li1+xMn2O4 product. Collecting the Li1+xMn2O4 product from the sealed container. Using the Li1+xMn2O4 product as a cathode active material in an energy storage device.

Abstract: This application relates to a touch panel, a display panel and a display apparatus. The touch panel includes a touch region and a peripheral region arranged around the touch region, the touch panel includes a metal layer and at least two insulation layers stacked along a first direction, at least one of the at least two insulation layers includes an organic material and at least one of the at least two insulation layers includes an inorganic material, the metal layer includes a plurality of touch electrodes and metal wirings connected to the touch electrodes, the touch electrodes are arranged in the touch region, and the metal wirings are arranged in the peripheral region. An orthographic projection along the first direction of at least one of the insulation layers disposed in the peripheral region is smaller in area than the peripheral region along the first direction.

Abstract: A cell for use in an electrochemical cell, that includes a positive electrode having a current collector, a pre-lithiated active cathode material according to the formula F-1 of Li1+xMn2O4, wherein x is in the range of 0.1 to 1.0, and an optional additional active cathode material; a negative electrode having a current collector and an optional carbonaceous material that exhibits a negligible capacity, wherein negligible capacity is defined as being a reversible capacity ratio between the carbonaceous material and the pre-lithiated active cathode material of <0.1.; and a non-flammable organic electrolyte, a polymeric or gel electrolyte, an inorganic electrolyte, or a combination thereof that is configured to conduct lithium ions.

Abstract: A cell for use in an electrochemical cell, that includes a positive electrode, a negative electrode, an electrolyte, and a separator in the form of a zeolite-based material comprising one or more naturally occurring or synthetically synthesized zeolites applied directly to at least one of the positive electrode and the negative electrode. The positive electrode configured so that non-reactive metal ions are reversibly extracted there from and inserted therein. The negative electrode configured to reversibly accept and release the non-reactive metal ions. The electrolyte positioned between and in contact with the negative electrode and the positive electrode, such that the electrolyte supports a reversible flow of the non-reactive metal ions between the positive electrode and the negative electrode. The separator being configured to electrically isolate the positive electrode from the negative electrode, while being permeable to the reversible flow of the non-reactive metal ions there through.

Abstract: An array substrate, a display panel, and a display device. The array substrate includes a display area, a fan-out area, a bonding area, the fan-out area and the bonding area being arranged at a side of the display area along a first direction, the bonding area being arranged at a side of the fan-out area away from the display area, a substrate, a plurality of signal leads arranged on the substrate and located in the bonding area, and a plurality of pads configured to be electrically connected to a driver integrated circuit. The plurality of pads are stacked on the plurality of signal leads in a one-to-one correspondence and are electrically connected to the plurality of signal leads correspondingly.

Abstract: A process for preparing a coated cathode active material for use in energy storage devices that includes the steps of providing at least one coating material having an average D50 particle size that is in the range of 0.01-1.5 ?m; providing one or more cathode active materials; blending the at least one coating material and the one or more cathode active materials with a plurality of milling beads to form a dry mixture, wherein the milling beads have a bead size ranging from 0.1 mm to 2.0 mm; rotating the dry mixture at a speed that is in the range of 50 rpm to 800 rpm for one or more hours to form the coated cathode active material; and separating the coated cathode active material from the milling beads. The coated cathode active material has an average particle size in the range of 2 ?m to 30 ?m.

Abstract: A metal ion cell that includes a positive electrode with a cathode active material configured to store and release metal ions: a negative electrode with an anode active material that operates at a potential that is not less than 0.6 volts (V) versus Li/Lit; and an electrolyte that incorporates one or more (e.g., lithium) metal salts and a solvent mixture that includes 3-methoxypropionitrile (MPN) and at least one linear carbonate. The MPN in the electrolyte may have a mass ratio of ?0.1 as compared to the at least one linear carbonate. The at least one linear carbonate includes one or more of dimethyl carbonate (DMC), diethyl carbonate (DEC), or ethyl methyl carbonate (EMC). The solvent mixture may also include a mixture of carbonates, such that the mass percentage of the linear carbonate ranges from 10% to 90% compared to the overall mass of the mixture of carbonates.

Abstract: A touch panel and a display apparatus. The touch panel includes a touch area and a peripheral area arranged surrounding the touch area, the touch panel further includes: a first metal layer; a second metal layer; two or more insulating layers arranged in stack with the first metal layer and the second metal layer in the first direction; in which the two or more insulating layers includes one or more organic material layers, a part of at least one of the one or more organic material layers located in the touch area is provided with one or more hollow slots, and in the first direction, an orthographic projection of the at least one of the one or more organic material layers provided with the hollow slots covers at least part of the touch electrodes.

Abstract: An apparatus for mounting on a circuit board is provided. The apparatus may include a circuit board mount packaging and a battery. The circuit board mount packaging may include a cavity, a first internal lead, and a second internal lead. The first internal lead may be connect to a first external pin and the second internal lead may be connected to a second external pin. The battery may be disposed within the cavity of the circuit board mount packaging. The battery may comprise an anode and a cathode. The anode may be wire bond connected to the first internal lead and the cathode may be wire bond connected to the second internal lead.

Abstract: A method of manufacturing a three-dimensional electrochemical lithium battery includes forming a first electrode on an underlying layer comprising aerosolizing a first ink formulation comprising a slurry including nanoparticles or microparticles of a first active material and a binder, and depositing the slurry onto the underlying layer to form a first electrode layer. A permeable separator layer is formed on the first electrode by aerosolizing a polymer precursor solution, exposing the aerosolized polymer precursor solution to a first activating radiation source to form partially cured polymer spheres in the aerosolized stream, focusing and directing the aerosolized stream onto a substrate to form the permeable separator layer of the partially cured polymer spheres, and exposing the partially cured polymer spheres on the substrate to a second activating radiation source to fully cure the partially cured polymer spheres.