Abstract: Provided are devices, systems, and methods for rejuvenating degraded energy devices. In one aspect, the present disclosure provides a method for rejuvenating an energy device, the method comprising: using at least one acoustic device to generate acoustic waves to facilitate flow and/or distribution of fresh or unused chemicals into the energy device and to replace and expel aged or used chemicals out of the energy device, thereby rejuvenating the energy device and rendering the energy device suitable for continued usage.

Abstract: A mass transfer system comprises a flexible substrate, a display substrate, and an attaching device. The flexible substrate defines a plurality of wells configured to adsorb one of a plurality of LEDs. The display substrate defines a plurality of connecting pads configured to bond one of the LEDs. The attaching device is configured to attach the flexible substrate to the display substrate. The flexible substrate releases the LEDs after being attached to the display substrate to transfer the LEDs to the display substrate. An attaching device and a mass transfer method are also disclosed.

Abstract: A mass transfer method includes providing at least one transfer cavity including a bottom plate with through holes and a cavity wall connecting the bottom plate; providing an array substrate with capture holes; placing micro light emitting diodes into each transfer cavity; attaching the array substrate to the bottom plate; aligning each through hole with a corresponding capture hole by moving the array substrate; causing the micro light emitting diodes to fall into a corresponding capture hole through the corresponding one through hole; and continuously moving the array substrate such that each capture hole in the array substrate is filled with one micro light emitting diode.

Abstract: Embodiments of the disclosed technologies are capable of deconstructing a graph using database management approaches. Embodiments describe receiving an event trigger associated with a first node of a graph. The event trigger includes a node identifier of the first node. The embodiments further describe generating a first query for a neighbor identifier associated with a second node of the graph using the node identifier. The neighbor identifier is queried from a first data store. Embodiments further describe generating a second query for a feature corresponding to the neighbor identifier. The feature is queried from a second data store. Embodiments further describe generating an embedding of the event trigger using the node identifier, the neighbor identifier and the feature.

Abstract: Materials, designs, methods of manufacture, and devices are provided for an anode material for a rechargeable lithium-ion battery. For example, an anode material may include Li3±xV2±yO5±z, wherein 0?x?7, 0?y?1, and z may be based on the charge resulting from Li3±x and V2±y. Also, a cell can include a lithiated anode material. The lithiated anode material may include Li3±xV2±y O5±z. The lithiated anode material may be casted on a first substrate to form a lithiated anode, having a separator stacked on the lithiated anode. The separator may include electrolytes. A cathode can be stacked on the separator. The cathode being formed by casting a cathode material on a second substrate.

Abstract: A dumbbell capable of adjusting weight includes a dumbbell rod assembly and dumbbell plates. Hitching assemblies are arranged at two ends of the dumbbell rod; a first baffle is arranged at one end of each of the two hitching assemblies; a concave inserting-connection port is formed at the top of each of the dumbbell plates; the dumbbell plates are hitched to the two hitching assemblies; the dumbbell sheets are provided with first hitching parts and second hitching parts; a second surface of one dumbbell plate close to the first baffle abuts against the first baffle, and the second hitching parts of the other dumbbell sheets are hitched to the first hitching parts of the adjacent dumbbell plate; and a bolt is inserted into a bolt through hole of the dumbbell plate farthest from the first baffle.

Abstract: The present disclosure provides additive materials to be added to sulfide-containing solid electrolyte materials for use in solid state batteries, solid state batteries using such additive materials in their solid electrolyte materials, and methods of making such solid state batteries. The additive materials provided herein allow the solid state batteries using such additive materials to operate under relatively lower pressures compared to solid state batteries without such additive materials.

Abstract: Some variations provide an anode material comprising: silicon monoxide in the form of first particles; and lithium vanadium oxide (LVO) with a composition given by LiaVbOc, wherein a=0.1-10, b=1-3, c=1-9, wherein the LiaVbOc is capable of being reversibly lithiated, wherein the LVO is present in the form of second particles that are physically mixed with the first particles. Other variations provide an anode material comprising: a Si/C composite in the form of first particles; lithium vanadium oxide in the form of second particles, wherein the first particles and the second particles are physically mixed together, wherein the Si/C composite is present in a Si/C concentration from about 1 wt % to about 99 wt %, and wherein the LVO is present in a LVO concentration from about 1 wt % to about 99 wt %. Examples are provided, demonstrating the utility of the disclosed technology.

Abstract: Provided in the invention is a stair stepper. A rotating mechanism includes a first rotating shaft and a second rotating shaft that are fixed in an intersecting manner, and the rotating mechanism is rotatably connected to a base through the first rotating shaft; a pedal mechanism and a linkage member are sequentially connected to the second rotating shaft, a limiting rod is provided on the linkage member, and a transverse rod of the limiting rod is slidably connected to an adapter; a first limiting groove is provided on the pedal mechanism, and a second limiting groove is provided on the base. The limiting rod on the linkage member is located in the first limiting groove or the second limiting groove, so that switching between two motion functions of stepping training and stepping-twisting training is implemented.

Abstract: A shale gas well type classification method includes: S1, acquiring raw data of evaluation parameters for stable production wells and trial production wells; S2, performing standardization on the raw data; S3, calculating distance coefficients; S4, classifying the stable production wells; S5, after determining a class number of the stable production wells, calculating comprehensive evaluation parameters S of the stable production wells based on standardized data; S6, for each class of the stable production wells, calculating average values of standardized data of the evaluation parameters for the stable production wells to construct a standard fuzzy set A, and constructing a to-be-identified fuzzy set B for each of the trial production wells, S7, calculating a closeness degree between each to-be-identified fuzzy set and each standard fuzzy set, and classifying a trial production well corresponding to the to-be-identified fuzzy set into a class of the stable production wells with a highest closeness degree.

Abstract: A lithium-ion battery anode material containing surface-coated disordered rocksalt lithium vanadium oxide is disclosed. The surface coating contains a species selected from the group consisting of carbon, a metal oxide, a metalloid oxide, a metal fluoride, a metalloid fluoride, a metal phosphate, a metalloid phosphate, and combinations thereof. Materials, designs, synthesis methods, and devices related to fast-charging lithium-ion batteries are provided. This invention fills a technology gap by providing anode materials with disordered rocksalt lithium vanadium oxides to achieve fast charging in 10 minutes or less, greater than 200 W·h/kg energy density, a lifetime of at least 10,000 cycles, and improved battery safety. Methods of making and using the optionally surface-coated disordered rocksalt lithium vanadium oxide are disclosed. Many experimental examples are included, demonstrating several remarkable attributes of this battery technology.

Abstract: A liquid crystal display device includes a backlight module, a quantum dot repairing film, a quantum dot layer, and a panel module. The backlight module has a light-emitting surface, which has a central area and a peripheral area surrounding the central area. The quantum dot repairing film is disposed on the peripheral area, and is malleable and adhesive. The quantum dot layer is disposed on the central area and the quantum dot repairing film. The panel module is disposed on the quantum dot layer, and includes a light-shielding layer. A projection of the light-shielding layer along a normal of the light-emitting surface partially overlaps a projection of the quantum dot repairing film along the normal of the light-emitting surface, and a projection of an inner edge of the light-shielding layer along the normal of the light-emitting surface is located in the projection of the quantum dot repairing film.

Abstract: Secondary batteries are described, the batteries comprising a positive electrode layer, a negative electrode layer and an insulating layer. The insulating layer is located between the positive electrode layer and the negative electrode layer; the thickness of the positive electrode layer is about 10-200 mm; the thickness of the negative electrode layer is 5-150 mm; and the secondary battery meets the following condition: 20%?a?(b/20)×5%?35%; where the porosity of the insulating layer is a; and the thickness of the positive electrode layer is b mm. According to the secondary battery, the impedance of the secondary battery can be obviously reduced, and the capacity retention rate of the battery is increased in the long-term cycle process.

Abstract: A method, network node and wireless device (WD) for suppressing impulsive noise are provided. According to one aspect, a method includes determining a moving difference of successive samples of a received signal, comparing the moving difference to a threshold, and setting the successive samples to a predetermined value when the moving difference exceeds the threshold.

Abstract: A mass transfer device includes at least one transfer cavity. Each transfer cavity is configured to accommodate a plurality of micro light-emitting diodes. Each transfer cavity includes a bottom plate and a cavity wall connecting the bottom plate. The bottom plate defines a plurality of through holes spaced apart from each other. The transfer cavity is used to transfer the plurality of micro light-emitting diodes to the array substrate of a display panel through the plurality of through holes.

Abstract: Systems and methods are disclosed for a battery that includes an anode, a separator between the anode and the cathode, a cathode, and a membrane coupled to the separator having a mixed electronic conductor and ionic conductor. A method may include casting a membrane onto a surface, dispersing carbon nanotubes in acetone to form a dispersion, adding a powder and dibutyl phthalate to the dispersion to form a polymer, and mixing the polymer. Another method may include casting a sheet of a composite, removing the sheet, and rinsing the sheet. Another method may further include casting a film, evaporating to form a dry film, and casting a mixture onto the dry film to form a bilayer membrane. Another method may further include casting a cathode, casting a CNT mixture onto the cathode, evaporating the cathode, and rinsing the cathode in ether.

Abstract: A cam mechanism configured to hitch a weight plate includes a bearing layer, a first wear-resistant layer arranged on one side of the bearing layer, and a second wear-resistant layer arranged on another side of the bearing layer. The second wear-resistant layer is configured to reduce wear of the weight plate in response to the weight plate being in contact with the cam mechanism. A weight-adjustable barbell includes: a barbell rod assembly including two transmission shafts, a plurality of weight plates, and a plurality of the above cam mechanisms sleeved on the two transmission shafts and configured for hitching the plurality of weight plates.

Abstract: The present disclosure provides additive materials to be added to sulfide-containing solid electrolyte materials for use in solid state batteries, solid state batteries using such additive materials in their solid electrolyte materials, and methods of making such solid state batteries. The additive materials provided herein allow the solid state batteries using such additive materials to operate under relatively lower pressures compared to solid state batteries without such additive materials.

Abstract: Provided is a dumbbell capable of adjusting weight rapidly, including a dumbbell rod assembly and dumbbell plates. Hitching assemblies are arranged at two ends of the dumbbell rod; a first baffle is arranged at one end of each of the hitching assemblies; a concave inserting-connection port is formed at the top of each of the dumbbell plates; the dumbbell plates are hitched to the hitching assemblies; the dumbbell sheets are provided with first hitching parts and second hitching parts; a second surface of one dumbbell plate close to the first baffle abuts against the first baffle, and the second hitching parts of the other dumbbell sheets are hitched to the first hitching parts of the adjacent dumbbell plate; and a bolt is inserted into a bolt through hole of the dumbbell plate farthest from the first baffle.

Abstract: The present disclosure provides additive materials to be added to sulfide-containing solid electrolyte materials for use in solid state batteries, solid state batteries using such additive materials in their solid electrolyte materials, and methods of making such solid state batteries. The additive materials provided herein allow the solid state batteries using such additive materials to operate under relatively lower pressures compared to solid state batteries without such additive materials.