Abstract: The present invention relates to a high-voltage lithium metal battery, characterized by its non-flammability due to the high flash point and high thermal stability of its specifically designed electrolyte, thereby ensuring its safe operation. In particular, the battery comprises an electrolyte with lithium salts and a novel diether compound with asymmetrical fluorination, developed based on electrolyte molecular design, synthesis and thermophysical properties characterization. The electrolyte with the asymmetrically fluorinated diether compound exhibits high thermal stability through high boiling point and high flash point, while also having a high working voltage, allowing high energy density designs and simultaneously optimizing operation safety by minimizing flammability and flash risks.

Abstract: In some aspects, the disclosure is directed to methods and systems for a flexible type-length-value (TLV) parser and identification map that may be used to quickly identify TLV sequences of packet headers for subsequent processing in a pipeline. A flexible TLV bus may provide a secondary path for the TLV header and identification map, allowing for subsequent processing stages to read, process, modify, delete, or otherwise utilize individual TLV sequences within the header.

Abstract: An electronic device including a substrate, a first metal pattern, a first insulating pattern, and a second metal pattern is provided. The first metal pattern is disposed on the substrate. The first insulating pattern is disposed on the first metal pattern. The second metal pattern is disposed on the first metal pattern and the first insulating pattern. The second metal pattern includes a first contact portion and a second contact portion. In a cross-sectional view, the first contact portion and the second contact portion are in contact with the first metal pattern, and the first insulating pattern is in contact with the first metal pattern and the second metal pattern between the first contact portion and the second contact portion.

Abstract: A heat dissipation structure configured to cool a cable, includes a cable jacket, an electric conductor, and a deformable component which is temperature-adaptive and in a helical shape. The cable jacket has a fluid channel extending along an axial direction of the cable jacket. The electric conductor is disposed in the cable jacket. The deformable component is disposed in the fluid channel. The deformable component allows a two-phase flow and a vortex to be generated in a working fluid in the fluid channel.

Abstract: This disclosure is directed to a scanning device having a which has a tray set, a movable scanning module and an automatic document feeder. The tray set has a feeding tray and a first output tray. The movable scanning module is movable between a first position and a second position. The automatic document feeder has a flip path, a feeding path, an output path, a returnable path and a feeding wheel group. The feeding path is disposed corresponding to the first position and connecting with the feeding tray and the flip path. The output path is disposed corresponding to the second position and connecting with the first output tray. The returnable path has an intersection connecting with the flip path and the output path. The movable scanning module scans two sides of the sheet at the first position and the second position respectively.

Abstract: A packaging device and a manufacturing method thereof are provided. The packaging device includes an electronic unit, a conductive layer, a buffer layer, an insulation layer, and a first circuit structure. The electronic unit includes a pad. The conductive layer is disposed on the pad. The buffer layer is disposed on the conductive layer. The insulation layer surrounds the electronic unit and the buffer layer. The first circuit structure is electrically connected to the electronic unit. A part of the conductive layer is located between the electronic unit and the buffer layer, and an activity of the conductive layer is less than an activity of the pad.

Abstract: A lithium secondary battery includes: a positive electrode; a negative electrode; an electrolyte; and a separator. The positive electrode includes first and second positive electrode active materials having different average particle diameters (D50). The average particle diameter (D50) of the first positive electrode active material is larger than that of the second positive electrode active material. The first and second positive electrode active materials include single-particle type particles. The negative electrode includes a silicon-based negative electrode active material, and the lithium secondary battery has an IRF value of about 1 to 1.4, defined by Equation 1 IRF = R p R n , wherein Rn refers to an interfacial resistance of the negative electrode measured after 100 cycles of charge/discharge are performed, and Rp refers to an interfacial resistance of the positive electrode measured after 100 cycles of charge/discharge are performed.

Abstract: A positive electrode includes a positive electrode active material layer including a first positive electrode active material and a second positive electrode active material having different average particle diameters from each other. An average particle diameter D50 of the first positive electrode active material is larger than an average particle diameter D50 of the second positive electrode active material, the first positive electrode active material and the second positive electrode active material include single-crystalline particles, and an interface resistance of the positive electrode having an SOC of 50% measured in a coin half-cell manufactured using the positive electrode is about 6.5? to 8.5?, and an interface resistance of the positive electrode having an SOC of 10% measured in a coin half-cell manufactured using the positive electrode is about 15? to 19?.

Abstract: A surface of a LiCoO2-based positive electrode active material to have a rock salt crystal structure is provided. Specifically, a positive electrode active material for a lithium rechargeable battery is provided, including: a core particle containing lithium cobalt oxide doped with aluminum (Al); and a coating layer positioned on a surface of the core particle and containing a cobalt (Co)-based compound having a rock salt crystal structure. A method of producing the positive electrode active material is also provided using a solid-phase method. The positive electrode active material can be applied to a positive electrode, lithium rechargeable battery, battery module, battery pack, and the like.

Abstract: The present invention relates to a single-part thermal polysiloxane gel which demonstrates remarkable vertical stability, thermal conductivity, and rapid dispensing rate. The present invention is characterized by its polysiloxane polymer network formed by reaction of the components upon mixing, which enables embedding of thermally conductive fillers to further enhance the overall thermal conductivity of the gel, while not compromising in vertical stability. The thermal gel of the present invention is therefore highly suitable for application of electronics and electrical vehicle usage, which may involve high temperature and vertical positioning conditions.

Abstract: An extraction cleaner may include a base, an upright body pivotally coupled to the base, a supply tank removably coupled to the upright body and a recovery tank removably coupled to the upright body. The base may include a non-removable door and a removable suction nozzle. At least one fluid dispensing nozzle may be provided on the door. The door may be pivotally coupled to the base for providing access to an agitator. The cleaner may include and auto-spray configuration. The cleaner may include a support on the upright portion for the recovery tank. The cleaner may include an additive tank received in a receptacle of the supply tank. The recovery tank may include a float and/or an airflow management configuration. The cleaner may include a cleaning tool and a suction changeover valve and/or a fluid changeover valve. The cleaner may include a mixing valve for supplying fluid to a fluid changeover valve.

Abstract: Disclosed are an electronic device and a manufacturing method of an electronic device. The manufacturing method includes the following. A first substrate is provided. The first substrate includes a plurality of chips. A second substrate is provided. A transfer process is performed to sequentially transfer a first chip and a second chip among the chips to the second substrate. The second chip is adjacent to the first chip. A first angle is between a first extension direction of a first side of the first chip and an extension direction of a first boundary of the second substrate. A second angle is between a second extension direction of a second side of the second chip and the extension direction of the first boundary of the second substrate. The first angle is different from the second angle.

Abstract: A surface of a LiCoO2-based positive electrode active material to have a rock salt crystal structure is provided. Specifically, a positive electrode active material for a lithium rechargeable battery is provided, including: a core particle containing lithium cobalt oxide doped with aluminum (Al); and a coating layer positioned on a surface of the core particle and containing a cobalt (Co)-based compound having a rock salt crystal structure. A method of producing the positive electrode active material is also provided using a solid-phase method. The positive electrode active material can be applied to a positive electrode, lithium rechargeable battery, battery module, battery pack, and the like.

Abstract: A method of imaging a 3D object, including: obtaining a 3D object generated by a NeRF model in a virtual space; generating a 3D wrapping mesh that completely surrounds the 3D object; sampling color values on the surface of the 3D object based on the 3D wrapping mesh and a 2D mapping mesh mapped to the 3D wrapping mesh, and saves the sampled color values to the 2D mapping mesh; determining, based on a specified viewing angle, a plurality of display rays corresponding to a plurality of mapping pixels of the 2D mapping mesh; obtaining, from the 2D mapping grid, color values of a plurality of display pixels of a 2D display image corresponding to the 3D object in the specified viewing angle based on the display rays; and displaying the display pixels on a display at a user terminal for displaying the 2D display image showing the 3D object.

Abstract: Various embodiments of a power supply technology and a data center using it are disclosed. In one embodiment, a power supply apparatus may comprise: an AC generator configured to generate a first alternating current (AC); a first converter configured to convert at least a portion of the first AC into a first direct current (DC); an energy storage unit configured to charge energy based on the first AC; a second converter configured to convert DC provided from the energy storage unit into a second DC; and a DC supplying unit capable of providing a third DC, which includes the first DC and the second DC, to at least one load.

Abstract: The fiber optic connector according to the present disclosure may include a main housing having a front end and a rear end opposite to the front end in a longitudinal direction, defining a passage extending from the front end to the rear end and having a top side and a bottom side; a ferrule carrying a plurality of fibers and accommodated in the passage; a latch provided on the top side of the main body and configured to release the connector from an adapter port; and a back post connected to the rear end of the main housing, wherein the main housing includes an adjustment mechanism to ensure the connector is inserted into the adapter port in a desired state.

Abstract: A low loss flexible copper clad laminate (FCCL) for millimeter wave transmission with a dielectric layer comprising an electrospun nanofiber network of cyclized polyacrylonitrile, formed between conducting copper layers. The cyclized polyacrylonitrile has improved thermal stability over its uncyclized form while maintaining a higher porosity, which further enables the infusion of a second resin of low dielectric constant and low dielectric loss to increase compatibility between the conducting copper layers and nanofibers, and the compatibility between nanofibers, which further enhances the dielectric properties and structural integrity of the FCCL.

Abstract: A semiconductor package for a PCB includes: a die paddle; a die; a plurality of terminals, and an encapsulant. The die is coupled to the die paddle. The plurality of terminals are electrically connected to the die. The plurality of terminals include a first array of terminals, disposed along a first side of the semiconductor package, and a second array of terminals, disposed along a second side of the semiconductor package. The second side is opposite to the first side. Each of the plurality of terminals comprises a pad with a flank. The encapsulant at least partly surrounds the die. The recess is defined between each terminal of each of the first and second arrays of terminals.

Abstract: A method for preparing a positive electrode active material and a positive electrode active material prepared thereby are provided. The method includes a first step of reacting a coating precursor preparation solution including a metal solution containing metal ions included in a coating layer and a chelating agent to prepare a coating precursor, which is a complex in which the metal ions and the chelating agent are combined, and a second step of dry-mixing particles having a specific composition and the coating precursor, followed by firing the mixture to form a coating layer having a specific composition on surfaces of the particles.